{"id":53,"date":"2011-01-31T13:47:00","date_gmt":"2011-01-31T12:47:00","guid":{"rendered":"https:\/\/kazunekoyama.com\/blog\/2011\/01\/31\/%e8%80%b3%e6%a0%93%e3%81%ae%e3%81%99%e3%81%99%e3%82%81\/"},"modified":"2026-01-09T09:24:57","modified_gmt":"2026-01-09T00:24:57","slug":"earplugs","status":"publish","type":"post","link":"https:\/\/kazunekoyama.com\/blog\/earplugs\/","title":{"rendered":"\u97f3\u697d\u5bb6\u304c\u9078\u3076\u30e9\u30a4\u30d6\u7528\u8033\u6813\u306e\u304a\u3059\u3059\u30816\u9078"},"content":{"rendered":"\n<p>\u304a\u3059\u3059\u3081\u306e\u30e9\u30a4\u30d6\u7528\u8033\u6813\u3092\u3001\u97f3\u697d\u5bb6\u306e\u76ee\u7dda\u304b\u3089\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002\u30b3\u30f3\u30b5\u30fc\u30c8\u3001\u30b9\u30bf\u30b8\u30aa\u3001\u30d0\u30f3\u30c9\u306a\u3069\u306b\u3002<\/p>\n\n\n\n<p>\u30e9\u30a4\u30d6\u7528\u8033\u6813\u306f\u52b9\u679c\u304c\u3042\u308b\u304b\u3001\u30e9\u30a4\u30d6\u7528\u8033\u6813\u306f\u5931\u793c\u304b\u3069\u3046\u304b\u3001\u5b50\u4f9b\u7528\u306e\u30e9\u30a4\u30d6\u7528\u8033\u6813\u304c\u3042\u308b\u304b\u3069\u3046\u304b\u306b\u3064\u3044\u3066\u3082\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<!--more-->\n\n\n\n<div 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target=\"_blank\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/blog\/wp-content\/plugins\/pochipp\/assets\/img\/review.svg\" alt=\"\" width=\"16\" height=\"16\" \/>\n\t\t\t\t\t\t\t<span>\u53e3\u30b3\u30df\u3092\u898b\u308b<\/span>\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"pochipp-box__btns\"\n\t\tdata-maxclmn-pc=\"fit\"\n\t\tdata-maxclmn-mb=\"1\"\n\t>\n\t\t\t\t\t<div class=\"pochipp-box__btnwrap -amazon\">\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.amazon.co.jp\/dp\/B0CVRQ9G1R?tag=kazunekoyama-22\" class=\"pochipp-box__btn\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t<span>\n\t\t\t\t\t\tAmazon\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"pochipp-box__btnwrap -rakuten\">\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fenisey%2F20251004051443_210%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Fenisey%2F20251004051443_210%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" class=\"pochipp-box__btn\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t<span>\n\t\t\t\t\t\t\u697d\u5929\u5e02\u5834\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"pochipp-box__logo\">\n\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/blog\/wp-content\/plugins\/pochipp\/assets\/img\/pochipp-logo-t1.png\" alt=\"\" width=\"32\" height=\"32\">\n\t\t\t\t\t<span>\u30dd\u30c1\u30c3\u30d7<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\n\n\t\t<div class=\"pochipp-box\"\n\t\t\tdata-id=\"4591\"\n\t\t\tdata-img=\"l\"\n\t\t\tdata-lyt-pc=\"imgbig\"\n\t\t\tdata-lyt-mb=\"vrtcl\"\n\t\t\tdata-btn-style=\"outline\"\n\t\t\tdata-btn-radius=\"off\"\n\t\t\tdata-sale-effect=\"flash\"\n\t\t\t data-cvkey=\"4b37a371\"\t\t>\n\t\t\t\t\t\t\t<div class=\"pochipp-box__image\">\n\t\t\t\t\t<a href=\"https:\/\/www.amazon.co.jp\/dp\/B0D3V6Y38G?tag=kazunekoyama-22\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/m.media-amazon.com\/images\/I\/51t0B9HHobL._SL400_.jpg\" alt=\"\" width=\"120\" height=\"120\" \/>\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"pochipp-box__body\">\n\t\t\t\t<div class=\"pochipp-box__title\">\n\t\t\t\t\t<a href=\"https:\/\/www.amazon.co.jp\/dp\/B0D3V6Y38G?tag=kazunekoyama-22\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t\tLoop Quiet 2 \u8033\u6813 \u2013 \u7761\u7720 \u96c6\u4e2d \u79fb\u52d5 \u9a12\u97f3\u904e\u654f\u306b\u9069\u3057\u305f\u8d85\u5feb\u9069\u304b\u3064\u518d\u5229\u7528\u53ef\u80fd\u306a\u30ce\u30a4\u30ba\u30ea\u30c0\u30af\u30b7\u30e7\u30f3\u8033\u6813 | \u30d5\u30ec\u30ad\u30b7\u30d6\u30eb\u306a\u8074\u899a\u4fdd\u8b77\u5177 | \u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u53ef\u80fd\u306a\u30d5\u30a3\u30c3\u30c8\u611f | SNR\u502424dB\u306e\u30ce\u30a4\u30ba\u30ea\u30c0\u30af\u30b7\u30e7\u30f3\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"pochipp-box__review\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.amazon.co.jp\/product-reviews\/B0D3V6Y38G?tag=kazunekoyama-22\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/blog\/wp-content\/plugins\/pochipp\/assets\/img\/review.svg\" alt=\"\" width=\"16\" height=\"16\" \/>\n\t\t\t\t\t\t\t<span>\u53e3\u30b3\u30df\u3092\u898b\u308b<\/span>\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"pochipp-box__btns\"\n\t\tdata-maxclmn-pc=\"fit\"\n\t\tdata-maxclmn-mb=\"1\"\n\t>\n\t\t\t\t\t<div class=\"pochipp-box__btnwrap -amazon\">\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.amazon.co.jp\/dp\/B0D3V6Y38G?tag=kazunekoyama-22\" class=\"pochipp-box__btn\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t<span>\n\t\t\t\t\t\tAmazon\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"pochipp-box__btnwrap -rakuten\">\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Floopjapan%2Fen-qt-2%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Floopjapan%2Fen-qt-2%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" class=\"pochipp-box__btn\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t<span>\n\t\t\t\t\t\t\u697d\u5929\u5e02\u5834\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"pochipp-box__logo\">\n\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/blog\/wp-content\/plugins\/pochipp\/assets\/img\/pochipp-logo-t1.png\" alt=\"\" width=\"32\" height=\"32\">\n\t\t\t\t\t<span>\u30dd\u30c1\u30c3\u30d7<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\n\n\t\t<div class=\"pochipp-box\"\n\t\t\tdata-id=\"1676\"\n\t\t\tdata-img=\"l\"\n\t\t\tdata-lyt-pc=\"imgbig\"\n\t\t\tdata-lyt-mb=\"vrtcl\"\n\t\t\tdata-btn-style=\"outline\"\n\t\t\tdata-btn-radius=\"off\"\n\t\t\tdata-sale-effect=\"flash\"\n\t\t\t data-cvkey=\"893110a6\"\t\t>\n\t\t\t\t\t\t\t<div class=\"pochipp-box__image\">\n\t\t\t\t\t<a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fshimamuragakki%2Fpd0006793%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Fshimamuragakki%2Fpd0006793%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/thumbnail.image.rakuten.co.jp\/@0_mall\/shimamuragakki\/cabinet\/pd00067\/pd0006793.jpg?_ex=400x400\" alt=\"\" width=\"120\" height=\"120\" \/>\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"pochipp-box__body\">\n\t\t\t\t<div class=\"pochipp-box__title\">\n\t\t\t\t\t<a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fshimamuragakki%2Fpd0006793%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Fshimamuragakki%2Fpd0006793%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t\tetymotic reserch ER20XS-UF-C \u30af\u30ea\u30a2\u30fc ER20XS \u30a4\u30e4\u30fc\u30d7\u30e9\u30b0 \u30e6\u30cb\u30d0\u30fc\u30b5\u30eb\u30d5\u30a3\u30c3\u30c8 S\u30b5\u30a4\u30ba \u30a8\u30c6\u30a3\u30e2\u30c6\u30a3\u30c3\u30af\u30ea\u30b5\u30fc\u30c1\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t\t\t<div class=\"pochipp-box__info\">\u5cf6\u6751\u697d\u5668<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"pochipp-box__review\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.amazon.co.jp\/product-reviews\/B015IQ6HI4?tag=kazunekoyama-22\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/blog\/wp-content\/plugins\/pochipp\/assets\/img\/review.svg\" alt=\"\" width=\"16\" height=\"16\" \/>\n\t\t\t\t\t\t\t<span>\u53e3\u30b3\u30df\u3092\u898b\u308b<\/span>\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"pochipp-box__btns\"\n\t\tdata-maxclmn-pc=\"fit\"\n\t\tdata-maxclmn-mb=\"1\"\n\t>\n\t\t\t\t\t<div class=\"pochipp-box__btnwrap -amazon\">\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.amazon.co.jp\/dp\/B015IQ6HI4?tag=kazunekoyama-22\" class=\"pochipp-box__btn\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t<span>\n\t\t\t\t\t\tAmazon\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"pochipp-box__btnwrap -rakuten\">\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fshimamuragakki%2Fpd0006793%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Fshimamuragakki%2Fpd0006793%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" class=\"pochipp-box__btn\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t<span>\n\t\t\t\t\t\t\u697d\u5929\u5e02\u5834\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"pochipp-box__logo\">\n\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/blog\/wp-content\/plugins\/pochipp\/assets\/img\/pochipp-logo-t1.png\" alt=\"\" width=\"32\" height=\"32\">\n\t\t\t\t\t<span>\u30dd\u30c1\u30c3\u30d7<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\n\n\t\t<div class=\"pochipp-box\"\n\t\t\tdata-id=\"3052\"\n\t\t\tdata-img=\"l\"\n\t\t\tdata-lyt-pc=\"imgbig\"\n\t\t\tdata-lyt-mb=\"vrtcl\"\n\t\t\tdata-btn-style=\"outline\"\n\t\t\tdata-btn-radius=\"off\"\n\t\t\tdata-sale-effect=\"flash\"\n\t\t\t data-cvkey=\"5a3913b7\"\t\t>\n\t\t\t\t\t\t\t<div class=\"pochipp-box__image\">\n\t\t\t\t\t<a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fsennheiser-hearing%2Fsoundprotex%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Fsennheiser-hearing%2Fsoundprotex%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/thumbnail.image.rakuten.co.jp\/@0_mall\/sennheiser-hearing\/cabinet\/soundprotex\/s.jpg?_ex=400x400\" alt=\"\" width=\"120\" height=\"120\" \/>\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"pochipp-box__body\">\n\t\t\t\t<div class=\"pochipp-box__title\">\n\t\t\t\t\t<a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fsennheiser-hearing%2Fsoundprotex%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Fsennheiser-hearing%2Fsoundprotex%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t\t\u30bc\u30f3\u30cf\u30a4\u30b6\u30fc\u516c\u5f0f Sennheiser SoundProtex | \u30a4\u30e4\u30fc\u30d7\u30e9\u30b0 \u8033\u6813 \u30a2\u30ec\u30eb\u30b2\u30f3\u30d5\u30ea\u30fc HiFi\u30b5\u30a6\u30f3\u30c9 \u97f3\u97ff\u30d5\u30a3\u30eb\u30bf\u30fc\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t\t\t<div class=\"pochipp-box__info\">\u30bc\u30f3\u30cf\u30a4\u30b6\u30fc\u30d2\u30a2\u30ea\u30f3\u30b0\u697d\u5929\u5e02\u5834\u5e97<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"pochipp-box__review\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.amazon.co.jp\/product-reviews\/B0C65WVJ1N?tag=kazunekoyama-22\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/blog\/wp-content\/plugins\/pochipp\/assets\/img\/review.svg\" alt=\"\" width=\"16\" height=\"16\" \/>\n\t\t\t\t\t\t\t<span>\u53e3\u30b3\u30df\u3092\u898b\u308b<\/span>\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"pochipp-box__btns\"\n\t\tdata-maxclmn-pc=\"fit\"\n\t\tdata-maxclmn-mb=\"1\"\n\t>\n\t\t\t\t\t<div class=\"pochipp-box__btnwrap -amazon\">\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.amazon.co.jp\/dp\/B0C65WVJ1N?tag=kazunekoyama-22\" class=\"pochipp-box__btn\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t<span>\n\t\t\t\t\t\tAmazon\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"pochipp-box__btnwrap -rakuten\">\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fsennheiser-hearing%2Fsoundprotex%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Fsennheiser-hearing%2Fsoundprotex%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" class=\"pochipp-box__btn\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t<span>\n\t\t\t\t\t\t\u697d\u5929\u5e02\u5834\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"pochipp-box__logo\">\n\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/blog\/wp-content\/plugins\/pochipp\/assets\/img\/pochipp-logo-t1.png\" alt=\"\" width=\"32\" height=\"32\">\n\t\t\t\t\t<span>\u30dd\u30c1\u30c3\u30d7<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\n\n\t\t<div class=\"pochipp-box\"\n\t\t\tdata-id=\"1677\"\n\t\t\tdata-img=\"l\"\n\t\t\tdata-lyt-pc=\"imgbig\"\n\t\t\tdata-lyt-mb=\"vrtcl\"\n\t\t\tdata-btn-style=\"outline\"\n\t\t\tdata-btn-radius=\"off\"\n\t\t\tdata-sale-effect=\"flash\"\n\t\t\t data-cvkey=\"22676f4b\"\t\t>\n\t\t\t\t\t\t\t<div class=\"pochipp-box__image\">\n\t\t\t\t\t<a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fcycleconnection%2Fs-b07s7dmxg5-20250722%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Fcycleconnection%2Fs-b07s7dmxg5-20250722%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/thumbnail.image.rakuten.co.jp\/@0_mall\/cycleconnection\/cabinet\/n20250515080324\/b07s7dmxg5-1.jpg?_ex=400x400\" alt=\"\" width=\"120\" height=\"120\" \/>\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"pochipp-box__body\">\n\t\t\t\t<div class=\"pochipp-box__title\">\n\t\t\t\t\t<a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fcycleconnection%2Fs-b07s7dmxg5-20250722%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Fcycleconnection%2Fs-b07s7dmxg5-20250722%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t\tAlpine MusicSafe Pro TPR\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t\t\t<div class=\"pochipp-box__info\">\u30b5\u30a4\u30af\u30eb\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u697d\u5929\u5e02\u5834\u5e97<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"pochipp-box__review\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.amazon.co.jp\/product-reviews\/B07S7DMXG5?tag=kazunekoyama-22\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/blog\/wp-content\/plugins\/pochipp\/assets\/img\/review.svg\" alt=\"\" width=\"16\" height=\"16\" \/>\n\t\t\t\t\t\t\t<span>\u53e3\u30b3\u30df\u3092\u898b\u308b<\/span>\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"pochipp-box__btns\"\n\t\tdata-maxclmn-pc=\"fit\"\n\t\tdata-maxclmn-mb=\"1\"\n\t>\n\t\t\t\t\t<div class=\"pochipp-box__btnwrap -amazon\">\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.amazon.co.jp\/dp\/B07S7DMXG5?tag=kazunekoyama-22\" class=\"pochipp-box__btn\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t<span>\n\t\t\t\t\t\tAmazon\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"pochipp-box__btnwrap -rakuten\">\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fcycleconnection%2Fs-b07s7dmxg5-20250722%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Fcycleconnection%2Fs-b07s7dmxg5-20250722%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" class=\"pochipp-box__btn\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t<span>\n\t\t\t\t\t\t\u697d\u5929\u5e02\u5834\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"pochipp-box__logo\">\n\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/blog\/wp-content\/plugins\/pochipp\/assets\/img\/pochipp-logo-t1.png\" alt=\"\" width=\"32\" height=\"32\">\n\t\t\t\t\t<span>\u30dd\u30c1\u30c3\u30d7<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\n\n\t\t<div class=\"pochipp-box\"\n\t\t\tdata-id=\"4839\"\n\t\t\tdata-img=\"l\"\n\t\t\tdata-lyt-pc=\"imgbig\"\n\t\t\tdata-lyt-mb=\"vrtcl\"\n\t\t\tdata-btn-style=\"outline\"\n\t\t\tdata-btn-radius=\"off\"\n\t\t\tdata-sale-effect=\"flash\"\n\t\t\t data-cvkey=\"079d3dcc\"\t\t>\n\t\t\t\t\t\t\t<div class=\"pochipp-box__image\">\n\t\t\t\t\t<a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fjism%2F0019954365011-31-34974-n%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Fjism%2F0019954365011-31-34974-n%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/thumbnail.image.rakuten.co.jp\/@0_mall\/jism\/cabinet\/0079\/0019954365011.jpg?_ex=400x400\" alt=\"\" width=\"120\" height=\"120\" \/>\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"pochipp-box__body\">\n\t\t\t\t<div class=\"pochipp-box__title\">\n\t\t\t\t\t<a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fjism%2F0019954365011-31-34974-n%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Fjism%2F0019954365011-31-34974-n%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t\t\u30c0\u30c0\u30ea\u30aa \u30a4\u30e4\u30fc\u30d7\u30e9\u30b0 PW-DBUDHP-01 D&#8217;Addario\u3000dBud Hearing Protection 0000004119\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t\t\t<div class=\"pochipp-box__info\">Joshin web \u5bb6\u96fb\u3068PC\u306e\u5927\u578b\u5c02\u9580\u5e97<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"pochipp-box__review\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.amazon.co.jp\/product-reviews\/B09TQ7K99R?tag=kazunekoyama-22\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/blog\/wp-content\/plugins\/pochipp\/assets\/img\/review.svg\" alt=\"\" width=\"16\" height=\"16\" \/>\n\t\t\t\t\t\t\t<span>\u53e3\u30b3\u30df\u3092\u898b\u308b<\/span>\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"pochipp-box__btns\"\n\t\tdata-maxclmn-pc=\"fit\"\n\t\tdata-maxclmn-mb=\"1\"\n\t>\n\t\t\t\t\t<div class=\"pochipp-box__btnwrap -amazon\">\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.amazon.co.jp\/dp\/B09TQ7K99R?tag=kazunekoyama-22\" class=\"pochipp-box__btn\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t<span>\n\t\t\t\t\t\tAmazon\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"pochipp-box__btnwrap -rakuten\">\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fjism%2F0019954365011-31-34974-n%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Fjism%2F0019954365011-31-34974-n%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" class=\"pochipp-box__btn\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t<span>\n\t\t\t\t\t\t\u697d\u5929\u5e02\u5834\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"pochipp-box__logo\">\n\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/blog\/wp-content\/plugins\/pochipp\/assets\/img\/pochipp-logo-t1.png\" alt=\"\" width=\"32\" height=\"32\">\n\t\t\t\t\t<span>\u30dd\u30c1\u30c3\u30d7<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\n\n<h2 class=\"wp-block-heading\" id=\"%25e3%2583%25a9%25e3%2582%25a4%25e3%2583%2596%25e3%2581%25a7%25e8%2580%25b3%25e6%25a0%2593%25e3%2581%258c%25e5%25bf%2585%25e8%25a6%2581%25e3%2581%25aa%25e7%2590%2586%25e7%2594%25b1\">\u30e9\u30a4\u30d6\u3067\u8033\u6813\u304c\u5fc5\u8981\u306a\u7406\u7531<\/h2>\n\n\n<p>\u30d2\u30c8\u306e\u8033\u306b\u6975\u7aef\u306b\u5927\u304d\u306a\u97f3\u304c\u5165\u308b\u3068\u3001\u9f13\u819c\u306e\u5185\u5074\u306b\u3042\u308b\u8778\u725b\uff08\u304b\u304e\u3085\u3046\uff09\u3068\u3044\u3046\u304b\u305f\u3064\u3080\u308a\u306e\u3088\u3046\u306a\u5f62\u3092\u3057\u305f\u5668\u5b98\u304c\u30c0\u30e1\u30fc\u30b8\uff08<strong>\u97f3\u97ff\u5916\u50b7<\/strong>\uff09\u3092\u53d7\u3051\u3001\u8033\u9cf4\u308a\u3084\u8074\u529b\u306e\u4f4e\u4e0b\u304c\u8d77\u3053\u308a\u307e\u3059<sup data-fn=\"973904fe-21b1-4d6e-8928-4320e799078f\" class=\"fn\"><a href=\"#973904fe-21b1-4d6e-8928-4320e799078f\" id=\"973904fe-21b1-4d6e-8928-4320e799078f-link\">1<\/a><\/sup><sup data-fn=\"78a8629f-bd83-4bac-b47a-2721d4dc5ca4\" class=\"fn\"><a href=\"#78a8629f-bd83-4bac-b47a-2721d4dc5ca4\" id=\"78a8629f-bd83-4bac-b47a-2721d4dc5ca4-link\">2<\/a><\/sup>\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"525\" src=\"https:\/\/kazunekoyama.com\/blog\/wp-content\/uploads\/2022\/08\/800px-Anatomy_of_the_Human_Ear_jaBYChittka-L-Brockmann-SA-700x525.png\" alt=\"\" class=\"wp-image-2295\" srcset=\"https:\/\/kazunekoyama.com\/blog\/wp-content\/uploads\/2022\/08\/800px-Anatomy_of_the_Human_Ear_jaBYChittka-L-Brockmann-SA-700x525.png 700w, https:\/\/kazunekoyama.com\/blog\/wp-content\/uploads\/2022\/08\/800px-Anatomy_of_the_Human_Ear_jaBYChittka-L-Brockmann-SA-300x225.png 300w, https:\/\/kazunekoyama.com\/blog\/wp-content\/uploads\/2022\/08\/800px-Anatomy_of_the_Human_Ear_jaBYChittka-L-Brockmann-SA-768x576.png 768w, https:\/\/kazunekoyama.com\/blog\/wp-content\/uploads\/2022\/08\/800px-Anatomy_of_the_Human_Ear_jaBYChittka-L-Brockmann-SA.png 800w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\">Image by Chittka-L-Brockmann (Licensed under Creative Commons BY-SA)<\/figcaption><\/figure>\n\n\n\n<p>\u97f3\u697d\u95a2\u4fc2\u8005\u3084\u30e9\u30a4\u30d6\u306b\u983b\u7e41\u306b\u901a\u3046\u65b9\u3001\u3042\u308b\u3044\u306f\u30a4\u30e4\u30db\u30f3\u30fb\u30d8\u30c3\u30c9\u30db\u30f3\u3067\u5927\u97f3\u91cf\u306e\u97f3\u697d\u3092\u8074\u304f\u7fd2\u6163\u304c\u3042\u308b\u65b9\u306e\u3088\u3046\u306b\u65e5\u5e38\u7684\u306b\u5927\u97f3\u91cf\u306b\u3055\u3089\u3055\u308c\u3066\u3044\u308b\u65b9\u306f\u3001\u7279\u306b\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u7b46\u8005\u306e\u5468\u308a\u3067\u65e5\u9803\u5927\u97f3\u91cf\u306b\u6652\u3055\u308c\u3066\u3044\u308b\u65b9\u306e\u306a\u304b\u306b\u3082\u3001\u30d0\u30f3\u30c9\u7df4\u7fd2\u3084\u30e9\u30a4\u30d6\u306e\u5f8c\u7a81\u7136\u8033\u9cf4\u308a\u304c\u3072\u3069\u304f\u306a\u3063\u305f\u308a\u3001\u97f3\u304c\u97ff\u3044\u305f\u308a\u3068\u3044\u3046\u75c7\u72b6\u306e\u65b9\u304c\u3044\u307e\u3057\u305f\u3002\u3082\u3061\u308d\u3093\u305d\u306e\u65b9\u3005\u306f\u8033\u6813\u3092\u3057\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u3053\u3046\u3044\u3063\u305f\u75c7\u72b6\u306f\u97f3\u697d\u95a2\u4fc2\u8005\u3084\u30e9\u30a4\u30d6\u306b\u3088\u304f\u884c\u304f\u65b9\u306e\u9593\u3067\u6b63\u3057\u304f\u77e5\u3089\u308c\u3066\u304a\u3089\u305a\u3001\u77e5\u3063\u3066\u3044\u305f\u3068\u3057\u3066\u3082\u81ea\u5206\u306f\u5927\u4e08\u592b\u3001\u3068\u7518\u304f\u898b\u3066\u3044\u308b\u65b9\u304c\u591a\u3044\u5370\u8c61\u3067\u3059\u3002\u305d\u308c\u306f\u8033\u6813\u3092\u3057\u3066\u3044\u308b\u4eba\u304c\u3044\u304b\u306b\u5c11\u306a\u3044\u304b\u304c\u7269\u8a9e\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"%25e3%2583%25a9%25e3%2582%25a4%25e3%2583%2596%25e3%2581%25ae%25e9%259f%25b3%25e3%2581%25af%25e3%2581%25a9%25e3%2581%25ae%25e3%2581%258f%25e3%2582%2589%25e3%2581%2584%25e5%258d%25b1%25e9%2599%25ba%25e3%2581%258b\">\u30e9\u30a4\u30d6\u306e\u97f3\u306f\u3069\u306e\u304f\u3089\u3044\u5371\u967a\u304b<\/h3>\n\n\n<p>\u97f3\u306e\u5927\u304d\u3055\u3092dB(\u30c7\u30b8\u30d9\u30eb)\u3068\u3044\u3046\u5358\u4f4d\u3067\u8868\u3057\u307e\u3059\uff08\u6570\u304c\u5927\u304d\u3044\u307b\u3069\u5927\u304d\u306a\u97f3\u3067\u3059\uff09\u3002<\/p>\n\n\n\n<p>\u6a5f\u68b0\u306b\u805e\u3053\u3048\u308b\u97f3\u3068\u30d2\u30c8\u306b\u805e\u3053\u3048\u308b\u97f3\u306b\u306f\u9055\u3044\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u30d2\u30c8\u306b\u805e\u3053\u3048\u3066\u3044\u308b\uff08\u30d2\u30c8\u306e\u611f\u899a\u306b\u8fd1\u3044\uff09\u6570\u5024\u3067\u8868\u3057\u305f\u3082\u306e\u306f\u300cA\u7279\u6027\u300d\u3068\u547c\u3070\u308c\u3001dB\u306e\u5f8c\u308d\u306bA\u3084(A)\u304c\u4ed8\u3051\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u8eab\u306e\u56de\u308a\u306e\u97f3\u306e\u5927\u304d\u3055\u306e\u76ee\u5b89\u306f\u4e0b\u8a18\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"div-notes\"><p>\uff08\uff09\u5185\u306f\u6e2c\u5b9a\u8ddd\u96e2\u3084\u6e2c\u5b9a\u6761\u4ef6\u3092\u8868\u3057\u3066\u3044\u307e\u3059\u3002<\/p><\/div>\n\n\n\n<div class=\"div-notes\"><p>\u5024\u306f\u3059\u3079\u3066\u7b46\u8005\u304c\u81ea\u8eab\u3067\u6e2c\u5b9a\u3057\u305f\u3082\u306e\u3067\u3059\u3002\u6e2c\u5b9a\u5bfe\u8c61\u306b\u3088\u3063\u3066\u7570\u306a\u308b\u53ef\u80fd\u6027\u3092\u8003\u3048\u3066\u3001\u6700\u3082\u8fd1\u30445dB\u523b\u307f\u306e\u6570\u304b\u3089\u00b15dB\u306e\u5e45\u3092\u6301\u305f\u305b\u3066\u3044\u307e\u3059\uff08\u4f8b\u3048\u307092.3dB\u306a\u308990dB\u3068\u3057\u3066\u300185\u301c95dB\u3068\u8868\u8a18\uff09\u3002<\/p><\/div>\n\n\n\n<div class=\"div-important\"><p>\u6e2c\u5b9a\u306b\u4f7f\u7528\u3057\u305f\u30de\u30a4\u30af\u306fDayton Audio iMM-6\uff08\u30ad\u30e3\u30ea\u30d6\u30ec\u30fc\u30b7\u30e7\u30f3\u6e08\uff09\u3001\u30a2\u30d7\u30ea\u306fNIOSH Sound Level Meter\u3067\u3059\u304c\u3001\u6e2c\u5b9a\u6a5f\u6750\u3084\u65b9\u6cd5\u306b\u3088\u3063\u3066\u591a\u5c11\u5909\u5316\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<strong>\u3042\u304f\u307e\u3067\u3082\u76ee\u5b89<\/strong>\u3068\u3057\u3066\u304a\u8003\u3048\u304f\u3060\u3055\u3044\u3002<\/p><\/div>\n\n\n\n<figure class=\"wp-block-table t-gen t-level\"><table><thead><tr><th>\u97f3\u306e\u5927\u304d\u3055<br>\uff08Leq\uff09<br>[dB(A)]<\/th><th>\u76ee\u5b89<br>\uff08\u6e2c\u5b9a\u8ddd\u96e2\u30fb\u6761\u4ef6\uff09<\/th><\/tr><\/thead><tbody><tr><td>30\u301c40<\/td><td>\u9759\u304b\u306a\u5ba4\u5185<\/td><\/tr><tr><td>35\u301c45<\/td><td>\u56f3\u66f8\u9928\u306e\u9928\u5185<\/td><\/tr><tr><td>45\u301c55<\/td><td>\u65e5\u4e2d\u306e\u4f4f\u5b85\u8857<\/td><\/tr><tr><td>55\u301c65<\/td><td>\u30b3\u30f3\u30d3\u30cb\u306e\u5e97\u5185<\/td><\/tr><tr><td>60\u301c70<\/td><td>\u30b9\u30fc\u30d1\u30fc\u306e\u5e97\u5185<\/td><\/tr><tr><td>65\u301c75<\/td><td>\u6df7\u96d1\u3057\u305f\u98f2\u98df\u5e97<\/td><\/tr><tr><td>70\u301c80<\/td><td>\u5927\u901a\u308a\u306e\u4ea4\u5dee\u70b9<\/td><\/tr><tr><td>70\u301c80<\/td><td>\u6df7\u96d1\u3057\u305f\u30b7\u30e7\u30c3\u30d4\u30f3\u30b0\u30e2\u30fc\u30eb\u306e\u69cb\u5185<\/td><\/tr><tr><td>80\u301c90<\/td><td>\u6df7\u96d1\u3057\u305f\u99c5\u306e\u6539\u672d\u524d<\/td><\/tr><tr><td>80\u301c90<\/td><td>\u30b0\u30e9\u30f3\u30c9\u30d4\u30a2\u30ce\uff081m\uff0f\u5927\u5c4b\u6839\u534a\u958b\uff09<\/td><\/tr><tr><td>85\u301c95<\/td><td>\u5730\u4e0b\u9244\u306e\u8eca\u5185\uff08\u6025\u30ab\u30fc\u30d6\u533a\u9593\uff09<\/td><\/tr><tr><td>85\u301c95<\/td><td>\u30c9\u30e9\u30a4\u30e4\u30fc\u306e\u97f3\uff081m\uff0f\u98a8\u91cf\u6700\u5927\uff09<\/td><\/tr><tr><td>90\u301c100<\/td><td>\u30da\u30c3\u30c8\u30dc\u30c8\u30eb\u3092\u6f70\u3059\u97f3\uff081m\uff09<\/td><\/tr><tr><td>90\u301c100<\/td><td>\u6df7\u96d1\u3057\u305f\u99c5\u306e\u30db\u30fc\u30e0<\/td><\/tr><tr><td>95\u301c105<\/td><td>\u30c9\u30e9\u30e0\u3092\u53e9\u304f\u97f3\uff081m\uff09<\/td><\/tr><tr><td>110\u301c120<\/td><td>\u9244\u9053\u306e\u9ad8\u67b6\u4e0b\uff08\u5217\u8eca\u901a\u904e\u6642\uff09<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">\u6e2c\u5b9a\u30de\u30a4\u30af\uff1aDayton Audio iMM-6\uff0f\u6e2c\u5b9a\u30a2\u30d7\u30ea\uff1aNIOSH Sound Level Meter\uff0f\u6e2c\u5b9a\u65b9\u6cd5\uff1aLeq\uff08\u4e00\u90e8\u306fMax\uff09\uff0f\u5468\u6ce2\u6570\u91cd\u307f\u4ed8\u3051\uff1aA\u7279\u6027\uff0f\u6e2c\u5b9a\u6642\u9593\u306f\u57fa\u672c\u7684\u306b30\u79d2\uff08\u4e00\u90e8\u306f\u305d\u308c\u3088\u308a\u77ed\u3044\uff09<\/figcaption><\/figure>\n\n\n\n<p>\u4e00\u4f8b\u3068\u3057\u3066WHO\uff08\u4e16\u754c\u4fdd\u5065\u6a5f\u95a2\uff09\u304c\u4f5c\u6210\u3057\u305f\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3067\u306f\u3001\u97f3\u3092\u300c\u5b89\u5168\u306b\u300d\u8074\u304f\u3053\u3068\u304c\u3067\u304d\u308b\u4e0a\u9650\u3092\u5927\u4eba\u306f<strong>1\u9031\u9593\u3042\u305f\u308a80dB(A)\u309240\u6642\u9593<\/strong>\u3001\u8074\u899a\u304c\u654f\u611f\u306a\u4eba\uff08\u5b50\u3069\u3082\u306a\u3069\uff09\u306f<strong>1\u9031\u9593\u3042\u305f\u308a75dB(A)\u309240\u6642\u9593<\/strong>\u3001\u3068\u5b9a\u3081\u3066\u3044\u307e\u3059<sup data-fn=\"20584a48-22a5-4a0c-92d5-b0e56d9cf1ff\" class=\"fn\"><a href=\"#20584a48-22a5-4a0c-92d5-b0e56d9cf1ff\" id=\"20584a48-22a5-4a0c-92d5-b0e56d9cf1ff-link\">3<\/a><\/sup>\u3002<\/p>\n\n\n\n<p>\u305d\u306e\u4e0a\u9650\u5024\u304b\u3089\u8a08\u7b97\u3059\u308b\u3068\u3001\u304a\u304a\u3088\u305d\u6b21\u306e\u3088\u3046\u306a\u7d50\u679c\u306b\u306a\u308a\u305d\u3046\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table t-gen t-level\"><table class=\"has-fixed-layout\"><thead><tr><th>\u97f3\u306e\u5927\u304d\u3055<br>[dB(A)]<\/th><th>1\u9031\u9593\u3042\u305f\u308a\u306e\u9650\u5ea6<br>(\u5927\u4eba)<\/th><th>1\u9031\u9593\u3042\u305f\u308a\u306e\u9650\u5ea6<br>(\u5b50\u3069\u3082\u306a\u3069\u654f\u611f\u306a\u4eba)<\/th><\/tr><\/thead><tbody><tr><td>75<\/td><td>&#8211;<\/td><td>40\u6642\u9593<\/td><\/tr><tr><td>77<\/td><td>&#8211;<\/td><td>25\u6642\u959312\u5206<\/td><\/tr><tr><td>80<\/td><td>40\u6642\u9593<\/td><td>12\u6642\u959336\u5206<\/td><\/tr><tr><td>83<\/td><td>20\u6642\u9593<\/td><td>6\u6642\u959318\u5206<\/td><\/tr><tr><td>86<\/td><td>10\u6642\u9593<\/td><td>3\u6642\u95939\u5206<\/td><\/tr><tr><td>89<\/td><td>5\u6642\u9593<\/td><td>1\u6642\u959334\u520630\u79d2<\/td><\/tr><tr><td>92<\/td><td>2\u6642\u959330\u5206<\/td><td>47\u520615\u79d2<\/td><\/tr><tr><td>95<\/td><td>1\u6642\u959315\u5206<\/td><td>23\u520637\u79d2<\/td><\/tr><tr><td>98<\/td><td>37\u520630\u79d2<\/td><td>11\u520648\u79d2<\/td><\/tr><tr><td>101<\/td><td>18\u520645\u79d2<\/td><td>5\u520654\u79d2<\/td><\/tr><tr><td>104<\/td><td>9\u520622\u79d2<\/td><td>2\u520657\u79d2<\/td><\/tr><tr><td>107<\/td><td>4\u520641\u79d2<\/td><td>1\u520628\u79d2<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u307e\u305f\u3001<strong>\u30a2\u30e1\u30ea\u30ab\u306eNIOSH\uff08\u56fd\u7acb\u52b4\u50cd\u5b89\u5168\u885b\u751f\u7814\u7a76\u6240\uff09\u3067\u306f\u3001\u696d\u52d9\u306b\u304a\u3044\u30661\u65e5\u306b\u3055\u3089\u3055\u308c\u308b\u9a12\u97f3\u306e\u300c\u9650\u5ea6\u91cf\u300d\u3092\u6b21\u306e\u3088\u3046\u306b\u6570\u5024\u5316<\/strong>\u3057\u3066\u3044\u307e\u3059<sup data-fn=\"53b3cb3a-c33f-4097-8fcc-867d84bd351a\" class=\"fn\"><a href=\"#53b3cb3a-c33f-4097-8fcc-867d84bd351a\" id=\"53b3cb3a-c33f-4097-8fcc-867d84bd351a-link\">4<\/a><\/sup>\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table t-gen t-level\"><table class=\"has-fixed-layout\"><thead><tr><th>\u97f3\u306e\u5927\u304d\u3055<br>[dB(A)]<\/th><th>1\u65e5\u3042\u305f\u308a\u306e\u9650\u5ea6<\/th><\/tr><\/thead><tbody><tr><td>85<\/td><td>8\u6642\u9593<\/td><\/tr><tr><td>88<\/td><td>4\u6642\u9593<\/td><\/tr><tr><td>91<\/td><td>2\u6642\u9593<\/td><\/tr><tr><td>94<\/td><td>1\u6642\u9593<\/td><\/tr><tr><td>97<\/td><td>30\u5206<\/td><\/tr><tr><td>100<\/td><td>15\u5206<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u3055\u3089\u306b\u3001<strong>EU\u52a0\u76df\u56fd\u3067\u306f8\u6642\u9593\u306e\u5e73\u5747\u304c85dB\u3092\u8d85\u3048\u308b\u74b0\u5883\u3067\u50cd\u304f\u52b4\u50cd\u8005\u306b\u306f\u8033\u6813\u306a\u3069\u306e\u9632\u5177\u306e\u7740\u7528\u304c\u7fa9\u52d9\u4ed8\u3051\u3089\u308c\u3066\u3044\u307e\u3059<\/strong><sup data-fn=\"213f5b40-3f93-4dea-8959-c6211cadd5f1\" class=\"fn\"><a href=\"#213f5b40-3f93-4dea-8959-c6211cadd5f1\" id=\"213f5b40-3f93-4dea-8959-c6211cadd5f1-link\">5<\/a><\/sup>\u3002<\/p>\n\n\n\n<p>\u97f3\u697d\u30e9\u30a4\u30d6\u3084\u30b9\u30bf\u30b8\u30aa\u7df4\u7fd2\u3001\u30af\u30e9\u30d6\u306e\u5834\u5408\u3001\u4f1a\u5834\u306e\u7279\u6027\u3084\u30b9\u30d4\u30fc\u30ab\u30fc\u306e\u7279\u6027\u3001\u30a4\u30b3\u30e9\u30a4\u30b8\u30f3\u30b0\uff08\u97f3\u306e\u6210\u5206\u8abf\u6574\uff09\u3001\u30b9\u30d4\u30fc\u30ab\u30fc\u306e\u97f3\u91cf\u3001\u30b9\u30d4\u30fc\u30ab\u30fc\u304b\u3089\u306e\u8ddd\u96e2\u3084\u89d2\u5ea6\u3001\u697d\u5668\u7de8\u6210\u3084\u6f14\u594f\u5185\u5bb9\u306a\u3069\u306b\u3088\u3063\u3066\u69d8\u3005\u3067\u3059\u304c\u3001\u5c11\u306a\u304f\u3068\u308290dB\u4ee5\u4e0a\u306e\u97f3\u91cf\u306b\u6570\u6642\u9593\u6652\u3055\u308c\u7d9a\u3051\u308b\u30b1\u30fc\u30b9\u304c\u591a\u3044\u306e\u3067\u306f\u306a\u3044\u304b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30ce\u30eb\u30a6\u30a7\u30fc\u79d1\u5b66\u6280\u8853\u5927\u5b66\u306eMorten Andreas Edvardsen\u6c0f\u304c\u30ce\u30eb\u30a6\u30a7\u30fc\u56fd\u518550\u30f6\u6240\u306e\u4f1a\u5834\u3067\u884c\u308f\u308c\u305f621\u56de\u306e\u30b3\u30f3\u30b5\u30fc\u30c8\u3092\u8abf\u67fb\u3057\u305f\u3068\u3053\u308d\u3001\u5927\u90e8\u5206\u306e\u30b3\u30f3\u30b5\u30fc\u30c8\u304c15\u5206\u5e73\u5747\u306790dB(A)\u3092\u8d85\u3048\u300114\uff05\u306e\u30b3\u30f3\u30b5\u30fc\u30c8\u306f15\u5206\u5e73\u5747\u3067102dB(A)\u3092\u8d85\u3048\u3066\u3044\u305f<sup data-fn=\"c201f14a-c20b-49cf-a297-ba0b773807c2\" class=\"fn\"><a href=\"#c201f14a-c20b-49cf-a297-ba0b773807c2\" id=\"c201f14a-c20b-49cf-a297-ba0b773807c2-link\">6<\/a><\/sup>\u3068\u306e\u3053\u3068\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30e9\u30a4\u30d6\u306b\u3088\u304f\u884c\u304b\u308c\u308b\u65b9\u3067\u3001\u5b9f\u969b\u3054\u81ea\u5206\u304c\u3069\u306e\u304f\u3089\u3044\u306e\u97f3\u91cf\u306b\u3055\u3089\u3055\u308c\u3066\u3044\u308b\u306e\u304b\u3092\u77e5\u308a\u305f\u3044\u65b9\u306f\u3001\u4f8b\u3048\u3070\u4e0b\u8a18\u306e\u3088\u3046\u306a\u3001\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u306b\u76f4\u63a5\u633f\u3057\u3066\u4f7f\u3048\u308b\u5c0f\u3055\u306a\u6e2c\u5b9a\u7528\u30de\u30a4\u30af\u3068\u6e2c\u5b9a\u30a2\u30d7\u30ea\u3067\u30c1\u30a7\u30c3\u30af\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\uff08\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u306e\u5185\u8535\u30de\u30a4\u30af\u3067\u306f\u6b63\u78ba\u6027\u306b\u6b20\u3051\u308b\u305f\u3081\u3001\u6e2c\u5b9a\u7528\u30de\u30a4\u30af\u306e\u4f7f\u7528\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\uff09\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6e2c\u5b9a\u30de\u30a4\u30af\n<ul class=\"wp-block-list\">\n<li>\u30d8\u30c3\u30c9\u30bb\u30c3\u30c8\uff08\u30de\u30a4\u30af\u4ed8\u304d\u30a4\u30e4\u30db\u30f3\uff09\u7aef\u5b50\u306e\u3042\u308b\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u306e\u65b9\uff1a<a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fybsn%2F0848791000331%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Fybsn%2F0848791000331%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\"  rel=\"nofollow noopener\" target=\"_blank\">Dayton Audio iMM-6<\/a><\/li>\n\n\n\n<li>USB-C\u7aef\u5b50\u306e\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u306e\u65b9\uff1a<a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fybsn%2F0848791009228%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Fybsn%2F0848791009228%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\"  rel=\"nofollow noopener\" target=\"_blank\">Dayton Audio iMM-6C<\/a><\/li>\n\n\n\n<li>Lightning\u7aef\u5b50\u306eiPhone\u306e\u65b9\uff1a<a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fgadgetgate%2Fmmx62ja-k%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Fgadgetgate%2Fmmx62ja-k%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\"  rel=\"nofollow noopener\" target=\"_blank\">Apple Lightning-3.5mm \u30d8\u30c3\u30c9\u30d5\u30a9\u30f3\u30b8\u30e3\u30c3\u30af\u30a2\u30c0\u30d7\u30bf MMX62J\/A (A1749)<\/a> + <a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fybsn%2F0848791000331%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Fybsn%2F0848791000331%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\"  rel=\"nofollow noopener\" target=\"_blank\">Dayton Audio iMM-6<\/a><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u6e2c\u5b9a\u30a2\u30d7\u30ea\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/apps.apple.com\/jp\/app\/niosh-sound-level-meter\/id1096545820\" data-type=\"link\" data-id=\"https:\/\/apps.apple.com\/jp\/app\/niosh-sound-level-meter\/id1096545820\">NIOSH Sound Level Meter<\/a>\uff08\u7121\u6599\uff0fiPhone\u306e\u307f\uff09<\/li>\n\n\n\n<li><a href=\"https:\/\/apps.apple.com\/jp\/app\/soundtools-studio-six-digital\/id1180224503\" data-type=\"link\" data-id=\"https:\/\/apps.apple.com\/jp\/app\/soundtools-studio-six-digital\/id1180224503\">Studio Six Digital SPL Pro<\/a>\uff08\u7121\u6599\uff0fiPhone\u306e\u307f\uff09\uff1a\u9332\u97f3\u30fb\u9332\u753b\u6a5f\u80fd\u306f\u8aa4\u89e3\u3092\u907f\u3051\u308b\u305f\u3081\u4f7f\u7528\u3057\u306a\u3044\u3053\u3068\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"394\" src=\"https:\/\/kazunekoyama.com\/blog\/wp-content\/uploads\/2011\/01\/APC_0609-700x394.jpg\" alt=\"\" class=\"wp-image-4774\" srcset=\"https:\/\/kazunekoyama.com\/blog\/wp-content\/uploads\/2011\/01\/APC_0609-700x394.jpg 700w, https:\/\/kazunekoyama.com\/blog\/wp-content\/uploads\/2011\/01\/APC_0609-300x169.jpg 300w, https:\/\/kazunekoyama.com\/blog\/wp-content\/uploads\/2011\/01\/APC_0609-768x432.jpg 768w, https:\/\/kazunekoyama.com\/blog\/wp-content\/uploads\/2011\/01\/APC_0609-1536x864.jpg 1536w, https:\/\/kazunekoyama.com\/blog\/wp-content\/uploads\/2011\/01\/APC_0609-2048x1152.jpg 2048w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\">Dayton Audio iMM-6<\/figcaption><\/figure>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u6570\u5024\u3092\u57fa\u6e96\u306b\u8003\u3048\u308b\u3068\u3001\u30e9\u30a4\u30d6\u3084\u30b9\u30bf\u30b8\u30aa\u7df4\u7fd2\u3001\u30af\u30e9\u30d6\u306a\u3069\u306f\u8033\u306b\u3068\u3063\u3066\u304b\u306a\u308a\u5371\u967a\u306a\u74b0\u5883\u3067\u3042\u308b\u3068\u8a00\u3048\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u3053\u3046\u306a\u3063\u3066\u3057\u307e\u3063\u305f\u539f\u56e0\u306f\u3001<strong>\u30e9\u30a4\u30d6\u305d\u306e\u3082\u306e\u306e\u97f3\u91cf\u8a2d\u5b9a\u306e\u611f\u899a\u3084\u57fa\u6e96\u304c\u72c2\u3063\u3066\u3044\u308b<\/strong>\uff08\u97f3\u697d\u3092\u7d14\u7c8b\u306b\u697d\u3057\u3080\u305f\u3081\u306b\u5fc5\u8981\u306a\u97f3\u91cf\u3092\u306f\u308b\u304b\u306b\u8d85\u3048\u3066\u3044\u308b\uff09\u3053\u3068\u3060\u3068\u79c1\u306f\u8003\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"%25e8%2580%25b3%25e6%25a0%2593%25e3%2581%25aa%25e3%2581%2597%25e3%2581%25a7%25e8%2580%25b3%25e3%2582%2592%25e9%2585%25b7%25e4%25bd%25bf%25e3%2581%2597%25e3%2581%25a6%25e3%2581%2584%25e3%2581%259f%25e7%25ad%2586%25e8%2580%2585%25e3%2581%25ae%25e5%25a0%25b4%25e5%2590%2588\">\u8033\u6813\u306a\u3057\u3067\u8033\u3092\u9177\u4f7f\u3057\u3066\u3044\u305f\u7b46\u8005\u306e\u5834\u5408<\/h3>\n\n\n<p>\u7b46\u8005\u3082\u9ad8\u6821\u6642\u4ee3\u3001\u72ed\u3044\u90e8\u5c4b\u306b\u7f6e\u3044\u305f\u30c9\u30e9\u30e0\u3092\u8033\u6813\u306a\u3057\u3067\u9577\u6642\u9593\u53e9\u3044\u305f\u308a\u3001\u5927\u304d\u306a\u97f3\u91cf\u3067\u30e2\u30cb\u30bf\u30fc\uff08\u78ba\u8a8d\uff09\u3057\u306a\u304c\u3089\u97f3\u697d\u5236\u4f5c\u3092\u3057\u305f\u308a\u3001\u5927\u97f3\u91cf\u306e\u97f3\u697d\u3092\u30a4\u30e4\u30db\u30f3\u30fb\u30d8\u30c3\u30c9\u30db\u30f3\u3067\u8074\u3044\u305f\u308a\u3068\u3044\u3046\u3053\u3068\u3092\u65e5\u5e38\u7684\u306b\u884c\u3063\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u3059\u308b\u3068\u3042\u308b\u65e5\u7a81\u7136\u8033\u306e\u7570\u5e38\u306a\u4e0d\u5feb\u611f\u306b\u8972\u308f\u308c\u3001\u82e6\u75db\u306e\u3042\u307e\u308a\u4e00\u5207\u97f3\u697d\u6d3b\u52d5\u304c\u3067\u304d\u306a\u304f\u306a\u308a\u3001\u6570\u30f6\u6708\u306b\u6e21\u3063\u3066\u5165\u3063\u3066\u3044\u305f\u3059\u3079\u3066\u306e\u30e9\u30a4\u30d6\u3092\u30ad\u30e3\u30f3\u30bb\u30eb\u3057\u306a\u3051\u308c\u3070\u3044\u3051\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u3072\u3069\u3044\u6642\u306b\u306f\u4eba\u306e\u7b11\u3044\u58f0\u3067\u3082\u3053\u306e\u53cd\u5fdc\u304c\u51fa\u305f\u3053\u3068\u304c\u3042\u308a\u3001\u3082\u3061\u308d\u3093\u697d\u5668\u306f\u4f55\u30f6\u6708\u3082\u5f3e\u3051\u306a\u3044\u3057\u3001\u97f3\u697d\u3092\u8074\u304f\u3053\u3068\u3059\u3089\u3067\u304d\u305a\u3001\u3053\u306e\u307e\u307e\u8033\u304c\u805e\u3053\u3048\u306a\u304f\u306a\u308b\u306e\u3060\u308d\u3046\u304b\uff1f\u3068\u3044\u3046\u6050\u6016\u3068\u95d8\u3046\u65e5\u3005\u3092\u904e\u3054\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u7b46\u8005\u306f\u3053\u3053\u3067\u8033\u306e\u4f7f\u3044\u65b9\u3092\u53cd\u7701\u3057\u3066Etymotic Research\u306e\u8033\u6813\u300cER20\u300d\u3092\u8cb7\u3044\u3001\u306a\u308b\u3079\u304f\u5927\u304d\u3044\u97f3\u3092\u805e\u304b\u306a\u3044\u3088\u3046\u306b\u6ce8\u610f\u3057\u306a\u304c\u3089\u5f90\u3005\u306b\u97f3\u697d\u6d3b\u52d5\u3092\u518d\u958b\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\t\t<div class=\"pochipp-box\"\n\t\t\tdata-id=\"3468\"\n\t\t\tdata-img=\"l\"\n\t\t\tdata-lyt-pc=\"imgbig\"\n\t\t\tdata-lyt-mb=\"vrtcl\"\n\t\t\tdata-btn-style=\"outline\"\n\t\t\tdata-btn-radius=\"off\"\n\t\t\tdata-sale-effect=\"flash\"\n\t\t\t data-cvkey=\"95a22038\"\t\t>\n\t\t\t\t\t\t\t<div class=\"pochipp-box__image\">\n\t\t\t\t\t<a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fr-kojima%2F0846430000223%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Fr-kojima%2F0846430000223%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/thumbnail.image.rakuten.co.jp\/@0_mall\/r-kojima\/cabinet\/n0000001277\/0846430000223_1.jpg?_ex=400x400\" alt=\"\" width=\"120\" height=\"120\" \/>\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"pochipp-box__body\">\n\t\t\t\t<div class=\"pochipp-box__title\">\n\t\t\t\t\t<a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fr-kojima%2F0846430000223%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Fr-kojima%2F0846430000223%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t\tETYMOTICRESEARCH\u3000ER20 \u30a4\u30e4\u30fc\u30d7\u30e9\u30b0 \u30b9\u30bf\u30f3\u30c0\u30fc\u30c9\u30d5\u30a3\u30c3\u30c8 \u30da\u30a2 \u30af\u30ea\u30a2\u30fc\u3000ER20-SMF-C\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t\t\t<div class=\"pochipp-box__info\">\u30b3\u30b8\u30de\u697d\u5929\u5e02\u5834\u5e97<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"pochipp-box__review\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.amazon.co.jp\/product-reviews\/B0015WJQ7A?tag=kazunekoyama-22\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/blog\/wp-content\/plugins\/pochipp\/assets\/img\/review.svg\" alt=\"\" width=\"16\" height=\"16\" \/>\n\t\t\t\t\t\t\t<span>\u53e3\u30b3\u30df\u3092\u898b\u308b<\/span>\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"pochipp-box__btns\"\n\t\tdata-maxclmn-pc=\"fit\"\n\t\tdata-maxclmn-mb=\"1\"\n\t>\n\t\t\t\t\t<div class=\"pochipp-box__btnwrap -amazon\">\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.amazon.co.jp\/dp\/B0015WJQ7A?tag=kazunekoyama-22\" class=\"pochipp-box__btn\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t<span>\n\t\t\t\t\t\tAmazon\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"pochipp-box__btnwrap -rakuten\">\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fr-kojima%2F0846430000223%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Fr-kojima%2F0846430000223%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" class=\"pochipp-box__btn\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t<span>\n\t\t\t\t\t\t\u697d\u5929\u5e02\u5834\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"pochipp-box__logo\">\n\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/blog\/wp-content\/plugins\/pochipp\/assets\/img\/pochipp-logo-t1.png\" alt=\"\" width=\"32\" height=\"32\">\n\t\t\t\t\t<span>\u30dd\u30c1\u30c3\u30d7<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\n\n\n<p>\u5e78\u3044\u3053\u308c\u306f\u6570\u5e74\u3092\u304b\u3051\u3066\u3086\u3063\u304f\u308a\u3068\u56de\u5fa9\u3057\u307e\u3057\u305f\u304c\u3001\u3053\u3046\u306a\u3089\u306a\u3044\u305f\u3081\u306e\u552f\u4e00\u306e\u65b9\u6cd5\u306f\u3001\u300c\u5927\u304d\u306a\u97f3\u3092\u8074\u304b\u306a\u3044\u300d\uff08\u9f13\u819c\u306b\u5927\u304d\u306a\u97f3\u3092\u5c4a\u3051\u306a\u3044\uff09\u3053\u3068\u3001\u3064\u307e\u308a<strong>\u8033\u6813\u3092\u3059\u308b<\/strong>\u3053\u3068\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30a4\u30e4\u30db\u30f3\u3084\u30d8\u30c3\u30c9\u30db\u30f3\u3067\u97f3\u697d\u3092\u8074\u304f\u5834\u5408\u306f\u97f3\u91cf\u3092\u4e0b\u3052\u308c\u3070\u3088\u3044\u306e\u3067\u3059\u304c\u3001\u30e9\u30a4\u30d6\u3084\u30b9\u30bf\u30b8\u30aa\u306a\u3069\u81ea\u5206\u306e\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u304c\u304d\u304b\u306a\u3044\u72b6\u6cc1\u3067\u306f\u8033\u6813\u3092\u3059\u308b\u3057\u304b\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u76ee\u306f\u9589\u3058\u308b\u3053\u3068\u304c\u3067\u304d\u3066\u3082<strong>\u8033\u306f\u9589\u3058\u3089\u308c\u306a\u3044\u306e\u3067\u3001\u3053\u308c\u4ee5\u5916\u306b\u65b9\u6cd5\u304c\u3042\u308a\u307e\u305b\u3093<\/strong>\u3002<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"%25e3%2583%25a9%25e3%2582%25a4%25e3%2583%2596%25e3%2581%25a7%25e8%2580%25b3%25e6%25a0%2593%25e3%2581%25af%25e5%25a4%25b1%25e7%25a4%25bc%25e3%2581%258b\">\u30e9\u30a4\u30d6\u3067\u8033\u6813\u306f\u5931\u793c\u304b\uff1f<\/h2>\n\n\n<p>\u30e9\u30a4\u30d6\u3067\u8033\u6813\u3092\u3059\u308b\u306e\u306f\u5931\u793c\u306a\u884c\u70ba\u306a\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n\n\n\n<p>\u7b46\u8005\u306f\u8077\u696d\u67c4\u3001\u97f3\u697d\u95a2\u4fc2\u306e\u53cb\u4eba\u304c\u591a\u3044\u3067\u3059\u304c\u3001\u8033\u6813\u304c\u5931\u793c\u3060\u3068\u8a00\u3063\u3066\u3044\u308b\u97f3\u697d\u95a2\u4fc2\u8005\u306f\u898b\u305f\u3053\u3068\u304c\u3042\u308a\u307e\u305b\u3093\u3002\u30b9\u30c6\u30fc\u30b8\u306b\u7acb\u3064\u5074\u3067\u3042\u3063\u305f\u79c1\u3082\u3082\u3061\u308d\u3093\u3001\u305d\u3093\u306a\u767a\u60f3\u306b\u306f\u81f3\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u500b\u4eba\u7684\u306b\u306f\u3001\u3053\u308c\u306f\u904e\u5270\u306a\u30de\u30ca\u30fc\u610f\u8b58\u304c\u4e00\u4eba\u6b69\u304d\u3092\u3057\u3066\u3057\u307e\u3044\u3001<strong>\u30b9\u30c6\u30fc\u30b8\u306b\u7acb\u3064\u4eba\u9593\u306f\u4f55\u3068\u3082\u601d\u3063\u3066\u3044\u306a\u3044\u306e\u306b\u3001\u89b3\u5ba2\u5074\u304c\u300c\u5931\u793c\u3060\u304b\u3089\u3084\u3081\u3066\u304a\u3053\u3046\u300d\u3068\u4e00\u65b9\u7684\u306b\u9060\u616e\u3057\u3066\u3057\u307e\u3063\u3066\u3044\u308b\u72b6\u614b<\/strong>\u306a\u306e\u3067\u306f\u306a\u3044\u304b\u3068\u60f3\u50cf\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u8ab0\u304b\u304c\u672c\u5f53\u306b\u300c\u5931\u793c\u3060\u300d\u3068\u8a00\u3063\u3066\u3044\u305f\u3068\u3057\u305f\u3089\u3001\u304d\u3063\u3068\u305d\u306e\u65b9\u306f\u97f3\u97ff\u5916\u50b7\u3092\u8ca0\u3063\u305f\u3053\u3068\u3082\u306a\u3051\u308c\u3070\u3001\u30b9\u30c6\u30fc\u30b8\u306b\u7acb\u3066\u306a\u3044\u6094\u3057\u3055\u3084\u3001\u4ed5\u4e8b\u304c\u306a\u304f\u306a\u308b\u4e0d\u5b89\u3001\u305d\u3057\u3066\u8033\u304c\u805e\u3053\u3048\u306a\u304f\u306a\u308b\u304b\u3082\u3057\u308c\u306a\u3044\u3068\u3044\u3046\u6050\u6016\u3092\u5473\u308f\u3063\u305f\u3053\u3068\u3082\u306a\u3044\u306e\u3067\u3057\u3087\u3046\u3002\u3053\u306e\u3088\u3046\u306a\u7d4c\u9a13\u3092\u3057\u3066\u3001\u305d\u3046\u306a\u3089\u306a\u3044\u305f\u3081\u306e\u552f\u4e00\u306e\u30c4\u30fc\u30eb\u304c\u8033\u6813\u3060\u3068\u3044\u3046\u3053\u3068\u3092\u5b66\u3093\u3067\u3044\u308c\u3070\u3001\u3053\u3093\u306a\u767a\u8a00\u306f\u3067\u304d\u306a\u3044\u306f\u305a\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u305d\u308c\u306b\u3001\u300c\u5931\u793c\u300d\u3068\u3044\u3046\u611f\u899a\u306f\u4e3b\u89b3\u7684\u306a\u3082\u306e\u3067\u3001\u4eba\u305d\u308c\u305e\u308c\u611f\u3058\u65b9\u304c\u9055\u3046\u3082\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u305f\u307e\u305f\u307e\u300c\u5931\u793c\u300d\u3068\u611f\u3058\u308b\u73cd\u3057\u3044\u4eba\u306b\u8033\u6813\u3092\u3057\u3066\u3044\u308b\u3068\u3053\u308d\u3092\u898b\u3089\u308c\u305f\u3068\u3053\u308d\u3067\u3001\u79c1\u305f\u3061\u306e\u4eba\u751f\u306b\u306f\u4f55\u306e\u5f71\u97ff\u3082\u3042\u308a\u307e\u305b\u3093\u3002<strong>\u81ea\u5206\u306e\u8033\u306e\u751f\u6b7b\u3068\u6bd4\u3079\u305f\u3068\u304d\u306b\u3069\u3061\u3089\u304b\u5927\u5207\u304b<\/strong>\u3067\u6c7a\u3081\u308b\u3068\u3088\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u305d\u3082\u305d\u3082\u3001<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30e9\u30a4\u30d6\u7528\u8033\u6813\u306f\u6b63\u9762\u304b\u3089\u307b\u3068\u3093\u3069\u898b\u3048\u306a\u3044\u30c7\u30b6\u30a4\u30f3\u306e\u3082\u306e\u304c\u591a\u3044\u3067\u3059\u3002\u6a2a\u304b\u3089\u898b\u3066\u3082\u76ee\u7acb\u305f\u306a\u3044\u3082\u306e\u3082\u73cd\u3057\u304f\u3042\u308a\u307e\u305b\u3093\u3002<\/li>\n\n\n\n<li>\u5c4b\u5185\u306e\u30e9\u30a4\u30d6\u306f\u7279\u306b\u5ba2\u5e2d\u5074\u304c\u6697\u3044\u306e\u3067\u3001\u30b9\u30c6\u30fc\u30b8\u304b\u3089\u89b3\u5ba2\u306e\u65b9\u3005\u306f\u3042\u307e\u308a\u3088\u304f\u898b\u3048\u307e\u305b\u3093\u3002\u9854\u304c\u3084\u3063\u3068\u898b\u3048\u308b\u304f\u3089\u3044\u3067\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u4e00\u4f8b\u3068\u3057\u3066\u3001\u3053\u308c\u306fLoop\u306e\u8033\u6813\u300cQuiet 2\u300d\u300cSwitch 2\u300d\u300cDream\u300d\u305d\u308c\u305e\u308c\u306e\u6b63\u9762\u304b\u3089\u306e\u898b\u3048\u65b9\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"394\" src=\"https:\/\/kazunekoyama.com\/blog\/wp-content\/uploads\/2025\/10\/front-view-700x394.jpg\" alt=\"\" class=\"wp-image-4620\" srcset=\"https:\/\/kazunekoyama.com\/blog\/wp-content\/uploads\/2025\/10\/front-view-700x394.jpg 700w, https:\/\/kazunekoyama.com\/blog\/wp-content\/uploads\/2025\/10\/front-view-300x169.jpg 300w, https:\/\/kazunekoyama.com\/blog\/wp-content\/uploads\/2025\/10\/front-view-768x432.jpg 768w, https:\/\/kazunekoyama.com\/blog\/wp-content\/uploads\/2025\/10\/front-view-1536x864.jpg 1536w, https:\/\/kazunekoyama.com\/blog\/wp-content\/uploads\/2025\/10\/front-view.jpg 2048w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\">Quiet 2\uff08\u5de6\uff09\u30fbSwitch 2\uff08\u4e2d\u592e\uff09\u30fbDream\uff08\u53f3\uff09\u306e\u88c5\u7740\u30a4\u30e1\u30fc\u30b8\uff08\u6b63\u9762\u304b\u3089\uff09<\/figcaption><\/figure>\n\n\n\n<p>\u3068\u3044\u3046\u3053\u3068\u3067\u3001\u51fa\u6f14\u8005\u304b\u3089\u89b3\u5ba2\u306e\u65b9\u3092\u898b\u305f\u3068\u304d\u306b\u3001<strong>\u8033\u6813\u3092\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u306f\u307e\u305a\u308f\u304b\u308a\u307e\u305b\u3093<\/strong>\u3002<strong>\u5b89\u5fc3\u3057\u3066\u8033\u6813\u3092\u3057\u3066\u304f\u3060\u3055\u3044<\/strong>\u3002<\/p>\n\n\n\n<p>\u6700\u8fd1\u306f\u516c\u5f0f\u30b0\u30c3\u30ba\u3068\u3057\u3066\u30e9\u30a4\u30d6\u7528\u8033\u6813\u306e\u8ca9\u58f2\u3092\u59cb\u3081\u305f\u6709\u540d\u30d0\u30f3\u30c9\u3082\u3042\u308b\u304f\u3089\u3044\u306a\u306e\u3067\u3001\u97f3\u697d\u95a2\u4fc2\u8005\u304c\u3088\u3046\u3084\u304f\u5927\u97f3\u91cf\u306e\u5371\u967a\u6027\u306b\u6c17\u3065\u304d\u59cb\u3081\u305f\u3068\u3082\u8a00\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u8033\u6813\u3092\u300c\u30de\u30ca\u30fc\u9055\u53cd\u300d\u3068\u3057\u305f\u308a\u4e0d\u5feb\u306b\u601d\u3046\u97f3\u697d\u95a2\u4fc2\u8005\u306f\u3001\u8a8d\u8b58\u304c\u9045\u308c\u3066\u3044\u308b\u3068\u8a00\u308f\u3056\u308b\u3092\u3048\u307e\u305b\u3093\u3002\u305d\u306e\u3088\u3046\u306a\u65b9\u306f\u3001\u81ea\u5206\u306e\u8033\u304c\u58ca\u308c\u3066\u304b\u3089\u3088\u3046\u3084\u304f\u904e\u3061\u3092\u8a8d\u3081\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"%25e3%2583%25a9%25e3%2582%25a4%25e3%2583%2596%25e7%2594%25a8%25e8%2580%25b3%25e6%25a0%2593%25e3%2581%25ae%25e9%2581%25b8%25e3%2581%25b3%25e6%2596%25b9\">\u30e9\u30a4\u30d6\u7528\u8033\u6813\u306e\u9078\u3073\u65b9<\/h2>\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"394\" src=\"https:\/\/kazunekoyama.com\/blog\/wp-content\/uploads\/2011\/01\/APC_0896-700x394.jpg\" alt=\"\" class=\"wp-image-4778\" srcset=\"https:\/\/kazunekoyama.com\/blog\/wp-content\/uploads\/2011\/01\/APC_0896-700x394.jpg 700w, https:\/\/kazunekoyama.com\/blog\/wp-content\/uploads\/2011\/01\/APC_0896-300x169.jpg 300w, https:\/\/kazunekoyama.com\/blog\/wp-content\/uploads\/2011\/01\/APC_0896-768x432.jpg 768w, https:\/\/kazunekoyama.com\/blog\/wp-content\/uploads\/2011\/01\/APC_0896-1536x864.jpg 1536w, https:\/\/kazunekoyama.com\/blog\/wp-content\/uploads\/2011\/01\/APC_0896.jpg 2048w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" 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class=\"wp-block-list\">\n<li>\u30a2\u30e1\u30ea\u30ab\u3067\u306fEPA\uff08\u7c73\u56fd\u74b0\u5883\u4fdd\u8b77\u5e81\uff09\u304c\u5b9a\u3081\u305fNRR\uff08\u30ce\u30a4\u30ba\u30fb\u30ea\u30c0\u30af\u30b7\u30e7\u30f3\u30fb\u30ec\u30a4\u30c6\u30a3\u30f3\u30b0\uff09\u3068\u3044\u3046\u898f\u683c<\/li>\n\n\n\n<li>\u30e8\u30fc\u30ed\u30c3\u30d1\u3067\u306f\u4e3b\u306bISO 4869-2\u3067\u898f\u5b9a\u3055\u308c\u305fSNR\uff08\u30b7\u30f3\u30b0\u30eb\u30fb\u30ca\u30f3\u30d0\u30fc\u30fb\u30ec\u30a4\u30c6\u30a3\u30f3\u30b0\uff09\u3068\u3044\u3046\u898f\u683c\u306b\u5247\u3063\u3066\u300c\u3069\u306e\u9ad8\u3055\u306e\u97f3\u3092\u3069\u306e\u304f\u3089\u3044\u906e\u308c\u308b\u304b\u300d\u3068\u3044\u3046\u6570\u5024<\/li>\n<\/ul>\n\n\n\n<p>\u3092\u516c\u8868\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3057\u3063\u304b\u308a\u3068\u3057\u305f\u30e1\u30fc\u30ab\u30fc\u306a\u3089\u3070\u6e2c\u5b9a\u7d50\u679c\u3092\u3059\u3079\u3066\u8868\u306b\u307e\u3068\u3081\u3001NRR\u304bSNR\u306e\u3069\u3061\u3089\uff08\u3042\u308b\u3044\u306f\u4e21\u65b9\uff09\u306e\u5024\u3067\u3042\u308b\u304b\u3001\u3069\u306e\u898f\u683c\u306b\u6e96\u62e0\u3057\u3066\u3044\u308b\u304b\u304c\u660e\u8a18\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u305d\u306e\u3088\u3046\u306a\u30e1\u30fc\u30ab\u30fc\u306f\u3042\u307e\u308a\u591a\u304f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u307e\u3068\u3081\u308b\u3068\u3001\u30e9\u30a4\u30d6\u7528\u8033\u6813\u3092\u9078\u3076\u5834\u5408\u3001\u7b46\u8005\u3068\u3057\u3066\u306f<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>SNR\u5024\u3084NRR\u5024\u304c\u660e\u8a18<\/strong>\u3055\u308c\u3066\u3044\u308b<\/li>\n\n\n\n<li><strong>\u6e96\u62e0\u3059\u308b\u898f\u683c<\/strong>\uff08\u300cEN 352-2:2020\u300d\u3084\u300cANSI S3.19-1974\u300d\uff09\u304c\u660e\u8a18\u3055\u308c\u3066\u3044\u308b<\/li>\n\n\n\n<li><strong>\u5404\u5468\u6ce2\u6570\u3054\u3068\u306e\u906e\u97f3\u6027\u80fd<\/strong>\u304c\u8868\u306b\u307e\u3068\u3081\u3089\u308c\u3066\u3044\u308b<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u6761\u4ef6\u3092\u6e80\u305f\u3057\u3066\u3044\u308b\u8033\u6813\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"div-important\"><p>NRR\u3068SNR\u306f\u7b97\u51fa\u65b9\u6cd5\u304c\u9055\u3046\u305f\u3081\u3001NRR\u306e\u6570\u5024\u3068SNR\u306e\u6570\u5024\u3092\u6bd4\u3079\u3066\u3082\u610f\u5473\u304c\u3042\u308a\u307e\u305b\u3093\u3002\u6bd4\u3079\u308b\u5834\u5408\u306fNRR\u540c\u58eb\u3001SNR\u540c\u58eb\u3067\u306a\u3051\u308c\u3070\u3044\u3051\u307e\u305b\u3093\u3002<\/p><\/div>\n\n\n\n<p>\u4eca\u56de\u3054\u7d39\u4ecb\u3059\u308b\u8033\u6813\u306f\u3059\u3079\u3066EN 352-2:2020\u306b\u6e96\u62e0\u3057\u305fSNR\u5024\u3067\u3042\u308b\u3068\u660e\u8a18\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3001\u4fe1\u983c\u3067\u304d\u308b\u6570\u5024\u3068\u307f\u3066\u3088\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<div class=\"div-caution\"><p>\u8033\u6813\u672c\u6765\u306e\u906e\u97f3\u6027\u80fd\u3092\u767a\u63ee\u3059\u308b\u306b\u306f\u3001\u8033\u6813\u3092\u6b63\u3057\u304f\u88c5\u7740\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u88c5\u7740\u65b9\u6cd5\u306f\u305d\u308c\u305e\u308c\u306e\u8033\u6813\u306e\u53d6\u6271\u8aac\u660e\u66f8\u3092\u3054\u78ba\u8a8d\u304f\u3060\u3055\u3044\u3002<\/p><\/div>\n\n\n<h3 class=\"wp-block-heading\" id=\"%25e3%2583%25a9%25e3%2582%25a4%25e3%2583%2596%25e7%2594%25a8%25e8%2580%25b3%25e6%25a0%2593%25e3%2581%25af%25e5%258a%25b9%25e6%259e%259c%25e3%2581%258c%25e3%2581%2582%25e3%2582%258b%25e3%2581%258b\">\u30e9\u30a4\u30d6\u7528\u8033\u6813\u306f\u52b9\u679c\u304c\u3042\u308b\u304b<\/h3>\n\n\n<p><strong>SNR\u5024\u3084\u6e96\u62e0\u3059\u308b\u898f\u683c\u3092\u660e\u8a18\u3057\u3066\u3044\u308b\u8033\u6813\u3067\u3042\u308c\u3070\u52b9\u679c\u304c\u3042\u308b<\/strong>\u3068\u3044\u3048\u307e\u3059\u304c\u3001<strong>\u660e\u8a18\u3057\u3066\u3044\u306a\u3044\u8033\u6813\u306b\u3064\u3044\u3066\u306f\u52b9\u679c\u304c\u7591\u308f\u3057\u3044<\/strong>\u3068\u5224\u65ad\u3057\u3066\u3088\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u52b9\u679c\u306e\u3042\u308b\u8033\u6813\u306f\u3001\u906e\u97f3\u6027\u80fd\u306e\u5206\u3060\u3051\u97f3\u3092\u30ab\u30c3\u30c8\u3057\u3066\u304f\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4f8b\u3048\u307090dB\u306e\u97f3\u304c\u805e\u3053\u3048\u3066\u3044\u308b\u3068\u304d\u3001\u906e\u97f3\u6027\u80fd\u304c20dB\u306e\u8033\u6813\u3092\u6b63\u3057\u304f\u4ed8\u3051\u308b\u3053\u3068\u3067\u3001\u7406\u8ad6\u4e0a\u8033\u306b\u5c4a\u304f\u97f3\u306f90 &#8211; 20 = 70dB\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"div-important\"><p>\u3053\u308c\u306f\u7406\u8ad6\u4e0a\u306e\u6570\u5024\u3067\u3059\u306e\u3067\u3001\u5b9f\u969b\u306b\u8033\u306b\u5c4a\u304f\u97f3\u306b\u306f\u3042\u308b\u7a0b\u5ea6\u306e\u500b\u4eba\u5dee\u304c\u898b\u8fbc\u307e\u308c\u307e\u3059\u3002<\/p><\/div>\n\n\n<h3 class=\"wp-block-heading\" id=\"%25e5%25ad%2590%25e4%25be%259b%25e5%2590%2591%25e3%2581%2591%25e3%2581%25ae%25e3%2583%25a9%25e3%2582%25a4%25e3%2583%2596%25e7%2594%25a8%25e8%2580%25b3%25e6%25a0%2593\">\u5b50\u4f9b\u5411\u3051\u306e\u30e9\u30a4\u30d6\u7528\u8033\u6813<\/h3>\n\n\n<p>\u906e\u97f3\u6027\u80fd\u306e\u6570\u5024\u304c\u4fe1\u983c\u3067\u304d\u308b\u30e1\u30fc\u30ab\u30fc\u304b\u3089\u5b50\u4f9b\u5411\u3051\u3068\u3057\u3066\u767a\u58f2\u3055\u308c\u3066\u3044\u308b\u8033\u6813\u306f\u30012025\u5e7410\u6708\u73fe\u5728<strong>Loop\u306eEngage Kids 2\u306e\u307f<\/strong>\u3067\u3059\u3002<\/p>\n\n\n\t\t<div class=\"pochipp-box\"\n\t\t\tdata-id=\"4215\"\n\t\t\tdata-img=\"l\"\n\t\t\tdata-lyt-pc=\"imgbig\"\n\t\t\tdata-lyt-mb=\"vrtcl\"\n\t\t\tdata-btn-style=\"outline\"\n\t\t\tdata-btn-radius=\"off\"\n\t\t\tdata-sale-effect=\"flash\"\n\t\t\t data-cvkey=\"e21bde98\"\t\t>\n\t\t\t\t\t\t\t<div class=\"pochipp-box__image\">\n\t\t\t\t\t<a href=\"https:\/\/www.amazon.co.jp\/dp\/B0DBLYRDM6?tag=kazunekoyama-22\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/m.media-amazon.com\/images\/I\/51XF-W4X9fL._SL400_.jpg\" alt=\"\" width=\"120\" height=\"120\" \/>\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"pochipp-box__body\">\n\t\t\t\t<div class=\"pochipp-box__title\">\n\t\t\t\t\t<a href=\"https:\/\/www.amazon.co.jp\/dp\/B0DBLYRDM6?tag=kazunekoyama-22\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t\tLoop Engage Kids 2 \u5b50\u4f9b\u7528\u8033\u6813\uff086\uff5e12\u6b73\u7528\uff09 \u2013 \u304a\u5b50\u69d8\u306e\u305f\u3081\u306e\u518d\u5229\u7528\u53ef\u80fd\u306a\u8033\u6813 | \u96c6\u4e2d\u529b\u30a2\u30c3\u30d7\u3001\u4e0d\u5b89\u3084\u30b9\u30c8\u30ec\u30b9\u7de9\u548c\u3001\u5b66\u6821\u3001\u5bb6\u3001\u904a\u3073\u306e\u5834\u306b\u6700\u9069\u306a\u304a\u5b50\u69d8\u306e\u305f\u3081\u306e\u8033\u6813 \u2013 16 dB\u306e\u30ce\u30a4\u30ba\u30ea\u30c0\u30af\u30b7\u30e7\u30f3\u8033\u6813\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"pochipp-box__review\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.amazon.co.jp\/product-reviews\/B0DBLYRDM6?tag=kazunekoyama-22\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/blog\/wp-content\/plugins\/pochipp\/assets\/img\/review.svg\" alt=\"\" width=\"16\" height=\"16\" \/>\n\t\t\t\t\t\t\t<span>\u53e3\u30b3\u30df\u3092\u898b\u308b<\/span>\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"pochipp-box__btns\"\n\t\tdata-maxclmn-pc=\"fit\"\n\t\tdata-maxclmn-mb=\"1\"\n\t>\n\t\t\t\t\t<div class=\"pochipp-box__btnwrap -amazon\">\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.amazon.co.jp\/dp\/B0DBLYRDM6?tag=kazunekoyama-22\" class=\"pochipp-box__btn\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t<span>\n\t\t\t\t\t\tAmazon\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"pochipp-box__btnwrap -rakuten\">\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Floopjapan%2Fen-enk-02%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Floopjapan%2Fen-enk-02%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" class=\"pochipp-box__btn\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t<span>\n\t\t\t\t\t\t\u697d\u5929\u5e02\u5834\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"pochipp-box__logo\">\n\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/blog\/wp-content\/plugins\/pochipp\/assets\/img\/pochipp-logo-t1.png\" alt=\"\" width=\"32\" height=\"32\">\n\t\t\t\t\t<span>\u30dd\u30c1\u30c3\u30d7<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\n\n\n<p>\u3053\u306eEngage Kids 2\u306f\u7279\u306b\u30e9\u30a4\u30d6\u7528\u3068\u3044\u3046\u4f4d\u7f6e\u4ed8\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u30e9\u30a4\u30d6\u306b\u4f7f\u3048\u306a\u3044\u3068\u3044\u3046\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u906e\u97f3\u30ec\u30d9\u30eb\u304c\u5e73\u574716dB\u3068\u4f4e\u3081\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u3042\u307e\u308a\u5927\u97f3\u91cf\u306e\u30e9\u30a4\u30d6\u3067\u306f\u304a\u3059\u3059\u3081\u3067\u304d\u307e\u305b\u3093\u304c\u3001\u5b66\u6821\u3084\u6559\u5ba4\u306e\u767a\u8868\u4f1a\u7a0b\u5ea6\u306e\u97f3\u91cf\u3067\u3042\u308c\u3070\u8a31\u5bb9\u7bc4\u56f2\u5185\u304b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>Engage Kids 2\u306e\u906e\u97f3\u30d0\u30e9\u30f3\u30b9\u3084Loop\u306e\u4ed6\u306e\u8033\u6813\u3068\u306e\u9055\u3044\u306b\u3064\u3044\u3066\u306f\u3001\u3053\u3061\u3089\u306e\u8a18\u4e8b\u3067\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-wp-embed\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"SZI0qGsLKd\"><a href=\"https:\/\/kazunekoyama.com\/blog\/loop-earplugs\/\">Loop\u306e\u8033\u6813\u306f\u3069\u308c\u304c\u3044\u3044\uff1f\u5168\u7a2e\u985e\u306e\u9055\u3044\u3092\u5fb9\u5e95\u6bd4\u8f03<\/a><\/blockquote><iframe class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8220;Loop\u306e\u8033\u6813\u306f\u3069\u308c\u304c\u3044\u3044\uff1f\u5168\u7a2e\u985e\u306e\u9055\u3044\u3092\u5fb9\u5e95\u6bd4\u8f03&#8221; &#8212; \u97f3\u697d\u5bb6\u30fb\u5c0f\u5c71\u548c\u97f3\u306e\u30d6\u30ed\u30b0\" src=\"https:\/\/kazunekoyama.com\/blog\/loop-earplugs\/embed\/#?secret=5Bw6ITMvsW#?secret=SZI0qGsLKd\" data-secret=\"SZI0qGsLKd\" width=\"500\" height=\"282\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n\n\n<h3 class=\"wp-block-heading\" id=\"%25e8%2580%25b3%25e6%25a0%2593%25e3%2581%25a8%25e3%2582%25a4%25e3%2583%25a4%25e3%2583%25bc%25e3%2583%2597%25e3%2583%25a9%25e3%2582%25b0%25e3%2581%25ae%25e9%2581%2595%25e3%2581%2584\">\u8033\u6813\u3068\u30a4\u30e4\u30fc\u30d7\u30e9\u30b0\u306e\u9055\u3044<\/h3>\n\n\n<p>\u8033\u6813\u3092\u82f1\u8a9e\u3067\u8a00\u3046\u3068\u30a4\u30e4\u30fc\u30d7\u30e9\u30b0\uff08earplug\uff09\u306a\u306e\u3067\u3001<strong>\u8033\u6813\uff1d\u30a4\u30e4\u30fc\u30d7\u30e9\u30b0<\/strong>\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30e9\u30a4\u30d6\u7528\u8033\u6813\u306f\u56fd\u5916\u30e1\u30fc\u30ab\u30fc\u306e\u3082\u306e\u304c\u591a\u3044\u306e\u3067\u300c\u8033\u6813\u300d\u3067\u306f\u306a\u304f\u300c\u30a4\u30e4\u30fc\u30d7\u30e9\u30b0\u300d\u3068\u3082\u8868\u8a18\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u591a\u3044\u5370\u8c61\u3067\u3059\u304c\u3001\u3069\u3061\u3089\u3082\u6a5f\u80fd\u306b\u9055\u3044\u306f\u3042\u308a\u307e\u305b\u3093\uff08\u3053\u306e\u8a18\u4e8b\u3067\u306f\u300c\u8033\u6813\u300d\u306b\u7d71\u4e00\u3057\u3066\u3044\u307e\u3059\uff09\u3002<\/p>\n\n\n\n<p>\u500b\u4eba\u7684\u306b\u306f\u3001<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u300c\u8033\u6813\u300d\uff1a\u97f3\u306e\u30d0\u30e9\u30f3\u30b9\u3088\u308a\u3082\u906e\u97f3\u3092\u91cd\u8996\u3057\u305f\u4f7f\u3044\u6368\u3066\u306e\u8074\u899a\u4fdd\u8b77\u5177<\/li>\n\n\n\n<li>\u300c\u30a4\u30e4\u30fc\u30d7\u30e9\u30b0\u300d\uff1a\u751f\u6d3b\u3084\u30d5\u30a1\u30c3\u30b7\u30e7\u30f3\u3001\u6587\u5316\u306e\u4e00\u90e8\u3068\u3057\u3066\u7e70\u308a\u8fd4\u3057\u9577\u304f\u4f7f\u3048\u308b\u30c4\u30fc\u30eb<\/li>\n<\/ul>\n\n\n\n<p>\u3068\u3044\u3046\u5370\u8c61\u3092\u53d7\u3051\u307e\u3059\u3002<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"%25e3%2583%25a9%25e3%2582%25a4%25e3%2583%2596%25e7%2594%25a8%25e8%2580%25b3%25e6%25a0%2593%25e3%2581%25ae%25e3%2581%258a%25e3%2581%2599%25e3%2581%2599%25e3%2582%2581\">\u30e9\u30a4\u30d6\u7528\u8033\u6813\u306e\u304a\u3059\u3059\u3081<\/h2>\n\n\n<p>\u30e9\u30a4\u30d6\u7528\u8033\u6813\u306f\u97f3\u697d\u30e9\u30a4\u30d6\u3084\u30b9\u30bf\u30b8\u30aa\u3067\u306e\u6f14\u594f\u3092\u524d\u63d0\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u8033\u6813\u306b\u3088\u3063\u3066\u906e\u97f3\u30d0\u30e9\u30f3\u30b9\uff08\u3069\u306e\u9ad8\u3055\u306e\u97f3\u3092\u3069\u306e\u304f\u3089\u3044\u6e1b\u3089\u3059\u304b\uff09\u304c\u9055\u3046\u305f\u3081\u3001\u3054\u81ea\u8eab\u306e\u597d\u307f\u3084\u65b9\u5411\u6027\u306b\u5408\u308f\u305b\u3066\u8033\u6813\u3092\u63a2\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p>\u4f7f\u3044\u6368\u3066\u306e\u8033\u6813\u3068\u6bd4\u3079\u308b\u3068\u9ad8\u304f\u611f\u3058\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u4e00\u5ea6\u8cb7\u3048\u3070\u305a\u3063\u3068\u8033\u3092\u5b88\u308a\u7d9a\u3051\u3066\u304f\u308c\u308b\u3082\u306e\u3067\u3059\u3002\u97f3\u697d\u95a2\u4fc2\u8005\u3084\u97f3\u697d\u597d\u304d\u306e\u65b9\u3078\u306e\u30d7\u30ec\u30bc\u30f3\u30c8\u3068\u3057\u3066\u3082\u826f\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"%25e3%2581%258a%25e3%2581%2599%25e3%2581%2599%25e3%2582%2581%25e3%2583%25a9%25e3%2582%25a4%25e3%2583%2596%25e7%2594%25a8%25e8%2580%25b3%25e6%25a0%25931crescendo-music-20%25e6%259c%2580%25e3%2582%2582%25e5%25ae%2589%25e3%2581%2584\">\u304a\u3059\u3059\u3081\u30e9\u30a4\u30d6\u7528\u8033\u68131\uff1aCrescendo Music 20\uff08\u6700\u3082\u5b89\u3044\uff09<\/h3>\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"394\" src=\"https:\/\/kazunekoyama.com\/blog\/wp-content\/uploads\/2011\/01\/APC_1008-700x394.jpg\" alt=\"\" class=\"wp-image-4967\" srcset=\"https:\/\/kazunekoyama.com\/blog\/wp-content\/uploads\/2011\/01\/APC_1008-700x394.jpg 700w, https:\/\/kazunekoyama.com\/blog\/wp-content\/uploads\/2011\/01\/APC_1008-300x169.jpg 300w, https:\/\/kazunekoyama.com\/blog\/wp-content\/uploads\/2011\/01\/APC_1008-768x432.jpg 768w, https:\/\/kazunekoyama.com\/blog\/wp-content\/uploads\/2011\/01\/APC_1008-1536x864.jpg 1536w, https:\/\/kazunekoyama.com\/blog\/wp-content\/uploads\/2011\/01\/APC_1008.jpg 2048w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/figure>\n\n\n\t\t<div class=\"pochipp-box\"\n\t\t\tdata-id=\"4865\"\n\t\t\tdata-img=\"l\"\n\t\t\tdata-lyt-pc=\"imgbig\"\n\t\t\tdata-lyt-mb=\"vrtcl\"\n\t\t\tdata-btn-style=\"outline\"\n\t\t\tdata-btn-radius=\"off\"\n\t\t\tdata-sale-effect=\"flash\"\n\t\t\t data-cvkey=\"9aa75467\"\t\t>\n\t\t\t\t\t\t\t<div class=\"pochipp-box__image\">\n\t\t\t\t\t<a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fenisey%2F20251004051443_210%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Fenisey%2F20251004051443_210%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/thumbnail.image.rakuten.co.jp\/@0_mall\/enisey\/cabinet\/r_2025022843\/20251004051443_210_1.jpg?_ex=400x400\" alt=\"\" width=\"120\" height=\"120\" \/>\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"pochipp-box__body\">\n\t\t\t\t<div class=\"pochipp-box__title\">\n\t\t\t\t\t<a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fenisey%2F20251004051443_210%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Fenisey%2F20251004051443_210%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t\tCRESCENDO \u30e9\u30a4\u30d6\u7528\u8033\u6813 Music 20 S\/M\/L \u30a4\u30e4\u30fc\u30d7\u30ed\u30c6\u30af\u30bf\u30fc\/\u97f3\u697d\u9451\u8cde\/\u81ea\u7136\u306a\u97f3\u3068\u901a\u6c17\u6027\/3\u30b5\u30a4\u30ba\u306e\u30a4\u30e4\u30fc\u30c1\u30c3\u30d7\u4ed8\u5c5e\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t\t\t<div class=\"pochipp-box__info\">\u30d0\u30e9\u30a8\u30c6\u30a3\u30b7\u30e7\u30c3\u30d7\u5e73\u548c<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"pochipp-box__review\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.amazon.co.jp\/product-reviews\/B0CVRQ9G1R?tag=kazunekoyama-22\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/blog\/wp-content\/plugins\/pochipp\/assets\/img\/review.svg\" alt=\"\" width=\"16\" height=\"16\" \/>\n\t\t\t\t\t\t\t<span>\u53e3\u30b3\u30df\u3092\u898b\u308b<\/span>\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"pochipp-box__btns\"\n\t\tdata-maxclmn-pc=\"fit\"\n\t\tdata-maxclmn-mb=\"1\"\n\t>\n\t\t\t\t\t<div class=\"pochipp-box__btnwrap -amazon\">\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.amazon.co.jp\/dp\/B0CVRQ9G1R?tag=kazunekoyama-22\" class=\"pochipp-box__btn\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t<span>\n\t\t\t\t\t\tAmazon\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"pochipp-box__btnwrap -rakuten\">\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fenisey%2F20251004051443_210%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Fenisey%2F20251004051443_210%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" class=\"pochipp-box__btn\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t<span>\n\t\t\t\t\t\t\u697d\u5929\u5e02\u5834\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"pochipp-box__logo\">\n\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/blog\/wp-content\/plugins\/pochipp\/assets\/img\/pochipp-logo-t1.png\" alt=\"\" width=\"32\" height=\"32\">\n\t\t\t\t\t<span>\u30dd\u30c1\u30c3\u30d7<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\n\n\n<p>\u30aa\u30e9\u30f3\u30c0\u306e\u97f3\u97ff\u30d5\u30a3\u30eb\u30bf\u30fc\u30e1\u30fc\u30ab\u30fcDynamic Ear Company B.V.\u304c\u624b\u304c\u3051\u308b\u8033\u6813\u30d6\u30e9\u30f3\u30c9Crescendo\uff08\u30af\u30ec\u30c3\u30b7\u30a7\u30f3\u30c9\uff09\u306eMusic 20\u3002<\/p>\n\n\n\n<p>\u4eca\u56de\u3054\u7d39\u4ecb\u3059\u308b\u8033\u6813\u306e\u4e2d\u3067\u306f<strong>\u6700\u3082\u5b89\u3044<\/strong>\u3067\u3059\u304c\u3001\u906e\u97f3\u30ec\u30d9\u30eb\u306f\u3084\u3084\u4f4e\u3081\u3067\u3059\u3002<\/p>\n\n\n\n<p><strong>\u4e88\u7b97\u304c\u9650\u3089\u308c\u3066\u3044\u308b\u65b9\u3084\u3001\u305d\u3053\u307e\u3067\u5927\u97f3\u91cf\u306e\u30e9\u30a4\u30d6\u306b\u884c\u304b\u306a\u3044\u65b9<\/strong>\u306b\u306f\u5411\u3044\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30b9\u30c8\u30e9\u30c3\u30d7\u304c\u4ed8\u5c5e\u3057\u306a\u3044\u305f\u3081\u3001\u983b\u7e41\u306b\u8033\u6813\u306e\u4ed8\u3051\u5916\u3057\u3092\u3059\u308b\u5834\u5408\u306b\u306f\u7169\u308f\u3057\u304f\u611f\u3058\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table t-gen\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u30e1\u30fc\u30ab\u30fc<\/td><td><img decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/img\/national_flags\/Flag_of_the_Netherlands.svg\" height=\"15\" style=\"position:relative;top:2px\"><\/img> Dynamic Ear Company\uff08\u30aa\u30e9\u30f3\u30c0\uff09<\/td><\/tr><tr><td>\u30a4\u30e4\u30fc\u30d4\u30fc\u30b9<\/td><td>S\u3001M\u3001L<\/td><\/tr><tr><td>\u30d5\u30a3\u30eb\u30bf\u30fc<\/td><td>1\u7a2e\u985e<\/td><\/tr><tr><td>\u30b9\u30c8\u30e9\u30c3\u30d7<br>\uff08\u9996\u306b\u304b\u3051\u3089\u308c\u308b\u30d2\u30e2\uff09<\/td><td><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" style=\"position:relative;top:5px;\" viewBox=\"0 0 24 24\" fill=\"#BE003F\"><path d=\"M17 3.34a10 10 0 1 1 -14.995 8.984l-.005 -.324l.005 -.324a10 10 0 0 1 14.995 -8.336zm-6.489 5.8a1 1 0 0 0 -1.218 1.567l1.292 1.293l-1.292 1.293l-.083 .094a1 1 0 0 0 1.497 1.32l1.293 -1.292l1.293 1.292l.094 .083a1 1 0 0 0 1.32 -1.497l-1.292 -1.293l1.292 -1.293l.083 -.094a1 1 0 0 0 -1.497 -1.32l-1.293 1.292l-1.293 -1.292l-.094 -.083z\" \/><\/svg> \u306a\u3057<\/td><\/tr><tr><td>\u5c02\u7528\u30b1\u30fc\u30b9<\/td><td><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" style=\"position:relative;top:5px;\" viewBox=\"0 0 24 24\" fill=\"#007B50\"><path d=\"M17 3.34a10 10 0 1 1 -14.995 8.984l-.005 -.324l.005 -.324a10 10 0 0 1 14.995 -8.336zm-1.293 5.953a1 1 0 0 0 -1.32 -.083l-.094 .083l-3.293 3.292l-1.293 -1.292l-.094 -.083a1 1 0 0 0 -1.403 1.403l.083 .094l2 2l.094 .083a1 1 0 0 0 1.226 0l.094 -.083l4 -4l.083 -.094a1 1 0 0 0 -.083 -1.32z\" \/><\/svg> \u4ed8\u5c5e<\/td><\/tr><tr><td>\u30ab\u30e9\u30fc<\/td><td>\u30c8\u30e9\u30f3\u30b9\u30d1\u30ec\u30f3\u30c8 (\u900f\u660e)<\/td><\/tr><tr><td>\u906e\u97f3\u6027\u80fd\u306e\u6e2c\u5b9a\u30fb\u7b97\u51fa\u898f\u683c<\/td><td><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" style=\"position:relative;top:5px;\" viewBox=\"0 0 24 24\" fill=\"#007B50\"><path d=\"M17 3.34a10 10 0 1 1 -14.995 8.984l-.005 -.324l.005 -.324a10 10 0 0 1 14.995 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<script>\n    var ctx = document.getElementById(\"crescendo_music_20\");\n    var myLineChart = new Chart(ctx, {\n      \/\/ \u30b0\u30e9\u30d5\u306e\u7a2e\u985e\uff1a\u6298\u308c\u7dda\u30b0\u30e9\u30d5\u3092\u6307\u5b9a\n      type: 'line',\n      data: {\n        \/\/ x\u8ef8\u306e\u5404\u30e1\u30e2\u30ea\n        labels: ['63', '125', '250', '500', '1000', '2000', '4000', '8000'],\n        datasets: [\n          {\n            label: 'Crescendo Music 20',\n            data: [14.4, 15.1, 15.4, 17.1, 19.9, 26.9, 17.7, 29.9],\n            borderColor: \"#000000\",\n            backgroundColor: \"#00000000\",\n            tension: 0.4 \/\/ \u3053\u3053\u3067\u66f2\u7dda\u306e\u7de9\u3084\u304b\u3055\u3092\u8a2d\u5b9a\n          },\n        ],\n      },\n      options: {\n        title: {\n          display: true,\n          text: ''\n        },\n        scales: {\n          x: {\n            ticks: {\n              font: {\n                size: 15\n              }\n            },\n            title: {\n                display: true,\n                text: '\u5468\u6ce2\u6570 [Hz]',  \/\/ X\u8ef8\u306e\u30e9\u30d9\u30eb\n                font: {\n                  size: 15\n                }\n            }\n          },\n          y: {\n            min: 5,\n            max: 40,\n            ticks: {\n              font: {\n                size: 15\n              }\n            },\n            title: {\n                display: true,\n                text: '\u906e\u97f3\u6027\u80fd [dB]',  \/\/ Y\u8ef8\u306e\u30e9\u30d9\u30eb\n                font: {\n                  size: 15\n                }\n            }\n          },\n          yAxes: [{\n            ticks: {\n              suggestedMax: 40,\n              suggestedMin: 5,\n              stepSize: 10,  \/\/ \u7e26\u30e1\u30e2\u30ea\u306e\u30b9\u30c6\u30c3\u30d7\u6570\n              callback: function(value, index, values){\n                return  value +  'dB'  \/\/ \u5404\u30e1\u30e2\u30ea\u306e\u30b9\u30c6\u30c3\u30d7\u3054\u3068\u306e\u8868\u8a18\uff08value\u306f\u5404\u30b9\u30c6\u30c3\u30d7\u306e\u5024\uff09\n              }\n            }\n          }]\n        },\n        plugins: {\n          title: {\n            display: true,\n            text: 'Crescendo Music 20\u306eSNR\u5024',\n            font: {\n              size: 20\n            }\n          },\n          legend: {\n            display: true,\n            position: 'top',\n            labels: {\n              font: {\n                size: 15\n              }\n            }\n          }\n        },\n        layout: {\n          padding: {\n            top: 0,\n            right: 0,\n            bottom: 40,\n            left: 0\n          }\n        }\n      }\n    });\n    <\/script>\n\n\n\n<figure class=\"wp-block-table t-gen\"><table class=\"has-fixed-layout\"><thead><tr><th>\u5468\u6ce2\u6570<br>[Hz]<\/th><th>63<\/th><th>125<\/th><th>250<\/th><th>500<\/th><th>1000<\/th><th>2000<\/th><th>4000<\/th><th>8000<\/th><th>\u5e73\u5747<\/th><\/tr><\/thead><tbody><tr><td>\u906e\u97f3\u6027\u80fd<br>[dB]<\/td><td>14.4<\/td><td>15.1<\/td><td>15.4<\/td><td>17.1<\/td><td>19.9<\/td><td>26.9<\/td><td>17.7<\/td><td>29.9<\/td><td>19.6<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n<h3 class=\"wp-block-heading\" id=\"%25e3%2581%258a%25e3%2581%2599%25e3%2581%2599%25e3%2582%2581%25e3%2583%25a9%25e3%2582%25a4%25e3%2583%2596%25e7%2594%25a8%25e8%2580%25b3%25e6%25a0%25932loop-quiet-2-plus\">\u304a\u3059\u3059\u3081\u30e9\u30a4\u30d6\u7528\u8033\u68132\uff1aLoop Quiet 2 (Plus)<\/h3>\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"394\" src=\"https:\/\/kazunekoyama.com\/blog\/wp-content\/uploads\/2025\/09\/APC_0491-700x394.jpg\" alt=\"\" class=\"wp-image-4047\" srcset=\"https:\/\/kazunekoyama.com\/blog\/wp-content\/uploads\/2025\/09\/APC_0491-700x394.jpg 700w, https:\/\/kazunekoyama.com\/blog\/wp-content\/uploads\/2025\/09\/APC_0491-300x169.jpg 300w, https:\/\/kazunekoyama.com\/blog\/wp-content\/uploads\/2025\/09\/APC_0491-768x432.jpg 768w, https:\/\/kazunekoyama.com\/blog\/wp-content\/uploads\/2025\/09\/APC_0491-1536x864.jpg 1536w, https:\/\/kazunekoyama.com\/blog\/wp-content\/uploads\/2025\/09\/APC_0491-2048x1152.jpg 2048w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/figure>\n\n\n\t\t<div class=\"pochipp-box\"\n\t\t\tdata-id=\"3120\"\n\t\t\tdata-img=\"l\"\n\t\t\tdata-lyt-pc=\"imgbig\"\n\t\t\tdata-lyt-mb=\"vrtcl\"\n\t\t\tdata-btn-style=\"outline\"\n\t\t\tdata-btn-radius=\"off\"\n\t\t\tdata-sale-effect=\"flash\"\n\t\t\t data-cvkey=\"e855b332\"\t\t>\n\t\t\t\t\t\t\t<div class=\"pochipp-box__image\">\n\t\t\t\t\t<a href=\"https:\/\/www.amazon.co.jp\/dp\/B0D9HM5FXJ?tag=kazunekoyama-22\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/m.media-amazon.com\/images\/I\/513nlUiNWFL._SL400_.jpg\" alt=\"\" width=\"120\" height=\"120\" \/>\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"pochipp-box__body\">\n\t\t\t\t<div class=\"pochipp-box__title\">\n\t\t\t\t\t<a href=\"https:\/\/www.amazon.co.jp\/dp\/B0D9HM5FXJ?tag=kazunekoyama-22\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t\tLoop Quiet 2 Plus \u8033\u6813 Double Tips \u304c\u4ed8\u5c5e\u3057\u305f\u2013 \u7761\u7720\u3001\u96c6\u4e2d\u3001\u79fb\u52d5\u3001\u9a12\u97f3\u904e\u654f\u306b\u9069\u3057\u305f\u8d85\u5feb\u9069\u304b\u3064\u518d\u5229\u7528\u53ef\u80fd\u306a\u8033\u6813 | \u30d5\u30ec\u30ad\u30b7\u30d6\u30eb\u306a\u8074\u899a\u4fdd\u8b77\u5177 | SNR\u502424dB\u306e\u30ce\u30a4\u30ba\u30ea\u30c0\u30af\u30b7\u30e7\u30f3 \u306b3dB\u306eDouble Tips\u304c\u4ed8\u5c5e\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"pochipp-box__review\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.amazon.co.jp\/product-reviews\/B0D9HM5FXJ?tag=kazunekoyama-22\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/blog\/wp-content\/plugins\/pochipp\/assets\/img\/review.svg\" alt=\"\" width=\"16\" height=\"16\" \/>\n\t\t\t\t\t\t\t<span>\u53e3\u30b3\u30df\u3092\u898b\u308b<\/span>\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"pochipp-box__btns\"\n\t\tdata-maxclmn-pc=\"fit\"\n\t\tdata-maxclmn-mb=\"1\"\n\t>\n\t\t\t\t\t<div class=\"pochipp-box__btnwrap -amazon\">\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.amazon.co.jp\/dp\/B0D9HM5FXJ?tag=kazunekoyama-22\" class=\"pochipp-box__btn\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t<span>\n\t\t\t\t\t\tAmazon\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"pochipp-box__btnwrap -rakuten\">\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fsearch.rakuten.co.jp%2Fsearch%2Fmall%2Floop%2520quiet%25202%2520plus&#038;m=https%3A%2F%2Fsearch.rakuten.co.jp%2Fsearch%2Fmall%2Floop%2520quiet%25202%2520plus\" class=\"pochipp-box__btn\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t<span>\n\t\t\t\t\t\t\u697d\u5929\u5e02\u5834\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"pochipp-box__logo\">\n\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/blog\/wp-content\/plugins\/pochipp\/assets\/img\/pochipp-logo-t1.png\" alt=\"\" width=\"32\" height=\"32\">\n\t\t\t\t\t<span>\u30dd\u30c1\u30c3\u30d7<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\n\n\t\t<div class=\"pochipp-box\"\n\t\t\tdata-id=\"4591\"\n\t\t\tdata-img=\"l\"\n\t\t\tdata-lyt-pc=\"imgbig\"\n\t\t\tdata-lyt-mb=\"vrtcl\"\n\t\t\tdata-btn-style=\"outline\"\n\t\t\tdata-btn-radius=\"off\"\n\t\t\tdata-sale-effect=\"flash\"\n\t\t\t data-cvkey=\"f1180d93\"\t\t>\n\t\t\t\t\t\t\t<div class=\"pochipp-box__image\">\n\t\t\t\t\t<a href=\"https:\/\/www.amazon.co.jp\/dp\/B0D3V6Y38G?tag=kazunekoyama-22\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/m.media-amazon.com\/images\/I\/51t0B9HHobL._SL400_.jpg\" alt=\"\" width=\"120\" height=\"120\" \/>\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"pochipp-box__body\">\n\t\t\t\t<div class=\"pochipp-box__title\">\n\t\t\t\t\t<a href=\"https:\/\/www.amazon.co.jp\/dp\/B0D3V6Y38G?tag=kazunekoyama-22\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t\tLoop Quiet 2 \u8033\u6813 \u2013 \u7761\u7720 \u96c6\u4e2d \u79fb\u52d5 \u9a12\u97f3\u904e\u654f\u306b\u9069\u3057\u305f\u8d85\u5feb\u9069\u304b\u3064\u518d\u5229\u7528\u53ef\u80fd\u306a\u30ce\u30a4\u30ba\u30ea\u30c0\u30af\u30b7\u30e7\u30f3\u8033\u6813 | \u30d5\u30ec\u30ad\u30b7\u30d6\u30eb\u306a\u8074\u899a\u4fdd\u8b77\u5177 | \u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u53ef\u80fd\u306a\u30d5\u30a3\u30c3\u30c8\u611f | SNR\u502424dB\u306e\u30ce\u30a4\u30ba\u30ea\u30c0\u30af\u30b7\u30e7\u30f3\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"pochipp-box__review\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.amazon.co.jp\/product-reviews\/B0D3V6Y38G?tag=kazunekoyama-22\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/blog\/wp-content\/plugins\/pochipp\/assets\/img\/review.svg\" alt=\"\" width=\"16\" height=\"16\" \/>\n\t\t\t\t\t\t\t<span>\u53e3\u30b3\u30df\u3092\u898b\u308b<\/span>\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"pochipp-box__btns\"\n\t\tdata-maxclmn-pc=\"fit\"\n\t\tdata-maxclmn-mb=\"1\"\n\t>\n\t\t\t\t\t<div class=\"pochipp-box__btnwrap -amazon\">\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.amazon.co.jp\/dp\/B0D3V6Y38G?tag=kazunekoyama-22\" class=\"pochipp-box__btn\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t<span>\n\t\t\t\t\t\tAmazon\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"pochipp-box__btnwrap -rakuten\">\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Floopjapan%2Fen-qt-2%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Floopjapan%2Fen-qt-2%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" class=\"pochipp-box__btn\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t<span>\n\t\t\t\t\t\t\u697d\u5929\u5e02\u5834\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"pochipp-box__logo\">\n\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/blog\/wp-content\/plugins\/pochipp\/assets\/img\/pochipp-logo-t1.png\" alt=\"\" width=\"32\" height=\"32\">\n\t\t\t\t\t<span>\u30dd\u30c1\u30c3\u30d7<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\n\n\n<p>\u30d9\u30eb\u30ae\u30fc\u306e\u8033\u6813\u30e1\u30fc\u30ab\u30fcLoop\uff08\u30eb\u30fc\u30d7\uff09\u306eQuiet 2 (Plus)\u3002<\/p>\n\n\n\n<p>\u7279\u306bQuiet 2\u306f\u4eca\u56de\u3054\u7d39\u4ecb\u3059\u308b\u8033\u6813\u306e\u4e2d\u3067\u306fCrescendo Music 20\u306e\u6b21\u306b\u624b\u9803\u306a\u4fa1\u683c\u3067\u3042\u308a\u306a\u304c\u3089\u3001\u4ed6\u793e\u306e\u8033\u6813\u3068\u6bd4\u3079\u3066\u3082\u9ad8\u3044\u906e\u97f3\u6027\u80fd\u3092\u8a87\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3088\u3044\u610f\u5473\u3067<strong>\u300c\u8033\u6813\u3063\u307d\u3055\u300d\u304c\u306a\u304f\u3001\u30a2\u30af\u30bb\u30b5\u30ea\u30fc\u306e\u3088\u3046\u306b\u898b\u3048\u308b<\/strong>\u30c7\u30b6\u30a4\u30f3\u3082Loop\u306e\u8033\u6813\u306e\u7279\u5fb4\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u4e88\u7b97\u306b\u9650\u308a\u304c\u3042\u308b\u30fb\u30b3\u30b9\u30c8\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u91cd\u8996\u306e\u65b9\u306b\u306fQuiet 2 (Plus)\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>Quiet 2 Plus\u306b\u3064\u3044\u3066\u3068Quiet 2\u3068Quiet 2 Plus\u306e\u9055\u3044\u306b\u3064\u3044\u3066\u306f\u3001<a href=\"https:\/\/kazunekoyama.com\/blog\/loop-quiet-2-plus\/\" data-type=\"link\" data-id=\"https:\/\/kazunekoyama.com\/blog\/loop-quiet-2-plus\/\">\u3053\u3061\u3089\u306e\u8a18\u4e8b<\/a>\u3067\u8a73\u3057\u304f\u30ec\u30d3\u30e5\u30fc\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-wp-embed\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"gDucgySN8P\"><a href=\"https:\/\/kazunekoyama.com\/blog\/loop-quiet-2-plus\/\">Loop\u306e\u906e\u97f3\u7279\u5316\u578b\u8033\u6813\u300cQuiet 2\uff08Plus\uff09\u300d\u3092\u30ec\u30d3\u30e5\u30fc<\/a><\/blockquote><iframe class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8220;Loop\u306e\u906e\u97f3\u7279\u5316\u578b\u8033\u6813\u300cQuiet 2\uff08Plus\uff09\u300d\u3092\u30ec\u30d3\u30e5\u30fc&#8221; &#8212; \u97f3\u697d\u5bb6\u30fb\u5c0f\u5c71\u548c\u97f3\u306e\u30d6\u30ed\u30b0\" src=\"https:\/\/kazunekoyama.com\/blog\/loop-quiet-2-plus\/embed\/#?secret=lLSNJqeDbF#?secret=gDucgySN8P\" data-secret=\"gDucgySN8P\" width=\"500\" height=\"282\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-table t-gen\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u30e1\u30fc\u30ab\u30fc<\/td><td><img decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/img\/national_flags\/Flag_of_Belgium.svg\" height=\"15\" style=\"position:relative;top:2px\"><\/img> Loop\uff08\u30d9\u30eb\u30ae\u30fc\uff09<\/td><td><img decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/img\/national_flags\/Flag_of_Belgium.svg\" height=\"15\" style=\"position:relative;top:2px\"><\/img> Loop\uff08\u30d9\u30eb\u30ae\u30fc\uff09<\/td><\/tr><tr><td>\u88fd\u54c1\u540d<\/td><td>Quiet 2<\/td><td>Quiet 2 Plus<\/td><\/tr><tr><td>\u30a4\u30e4\u30fc\u30d4\u30fc\u30b9<\/td><td>XS\u3001S\u3001M\u3001L<\/td><td>Ear Tips\uff08XS\u3001S\u3001M\u3001L\uff09<br>Double Tips\uff08XS\u3001S\u3001M\u3001L\uff09<\/td><\/tr><tr><td>\u30d5\u30a3\u30eb\u30bf\u30fc<\/td><td>\u306a\u3057<br>\uff08\u30a4\u30e4\u30fc\u30d4\u30fc\u30b9\u81ea\u4f53\u304c\u30d5\u30a3\u30eb\u30bf\u30fc\uff09<\/td><td>\u306a\u3057<br>\uff08\u30a4\u30e4\u30fc\u30d4\u30fc\u30b9\u81ea\u4f53\u304c\u30d5\u30a3\u30eb\u30bf\u30fc\uff09<\/td><\/tr><tr><td>\u30b9\u30c8\u30e9\u30c3\u30d7<br>\uff08\u9996\u306b\u304b\u3051\u3089\u308c\u308b\u30d2\u30e2\uff09<\/td><td><a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Floopjapan%2Fen-lk%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Floopjapan%2Fen-lk%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" rel=\"nofollow noopener\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/m.media-amazon.com\/images\/I\/61Fob5oJUiL._SL400_.jpg\" alt=\"\" width=\"120\" height=\"120\" \/><\/a><br><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" style=\"position:relative;top:5px;\" viewBox=\"0 0 24 24\" fill=\"#F9BB5E\"><path d=\"M12 1.67c.955 0 1.845 .467 2.39 1.247l.105 .16l8.114 13.548a2.914 2.914 0 0 1 -2.307 4.363l-.195 .008h-16.225a2.914 2.914 0 0 1 -2.582 -4.2l.099 -.185l8.11 -13.538a2.914 2.914 0 0 1 2.491 -1.403zm.01 13.33l-.127 .007a1 1 0 0 0 0 1.986l.117 .007l.127 -.007a1 1 0 0 0 0 -1.986l-.117 -.007zm-.01 -7a1 1 0 0 0 -.993 .883l-.007 .117v4l.007 .117a1 1 0 0 0 1.986 0l.007 -.117v-4l-.007 -.117a1 1 0 0 0 -.993 -.883z\" \/><\/svg> \u5225\u58f2\u308a<\/td><td><a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Floopjapan%2Fen-lk%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Floopjapan%2Fen-lk%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" rel=\"nofollow noopener\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/m.media-amazon.com\/images\/I\/61Fob5oJUiL._SL400_.jpg\" alt=\"\" width=\"120\" height=\"120\" \/><\/a><br><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" style=\"position:relative;top:5px;\" viewBox=\"0 0 24 24\" fill=\"#F9BB5E\"><path d=\"M12 1.67c.955 0 1.845 .467 2.39 1.247l.105 .16l8.114 13.548a2.914 2.914 0 0 1 -2.307 4.363l-.195 .008h-16.225a2.914 2.914 0 0 1 -2.582 -4.2l.099 -.185l8.11 -13.538a2.914 2.914 0 0 1 2.491 -1.403zm.01 13.33l-.127 .007a1 1 0 0 0 0 1.986l.117 .007l.127 -.007a1 1 0 0 0 0 -1.986l-.117 -.007zm-.01 -7a1 1 0 0 0 -.993 .883l-.007 .117v4l.007 .117a1 1 0 0 0 1.986 0l.007 -.117v-4l-.007 -.117a1 1 0 0 0 -.993 -.883z\" \/><\/svg> \u5225\u58f2\u308a<\/td><\/tr><tr><td>\u5c02\u7528\u30b1\u30fc\u30b9<\/td><td><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" style=\"position:relative;top:5px;\" viewBox=\"0 0 24 24\" fill=\"#007B50\"><path d=\"M17 3.34a10 10 0 1 1 -14.995 8.984l-.005 -.324l.005 -.324a10 10 0 0 1 14.995 -8.336zm-1.293 5.953a1 1 0 0 0 -1.32 -.083l-.094 .083l-3.293 3.292l-1.293 -1.292l-.094 -.083a1 1 0 0 0 -1.403 1.403l.083 .094l2 2l.094 .083a1 1 0 0 0 1.226 0l.094 -.083l4 -4l.083 -.094a1 1 0 0 0 -.083 -1.32z\" \/><\/svg> \u4ed8\u5c5e<\/td><td><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" style=\"position:relative;top:5px;\" viewBox=\"0 0 24 24\" fill=\"#007B50\"><path d=\"M17 3.34a10 10 0 1 1 -14.995 8.984l-.005 -.324l.005 -.324a10 10 0 0 1 14.995 -8.336zm-1.293 5.953a1 1 0 0 0 -1.32 -.083l-.094 .083l-3.293 3.292l-1.293 -1.292l-.094 -.083a1 1 0 0 0 -1.403 1.403l.083 .094l2 2l.094 .083a1 1 0 0 0 1.226 0l.094 -.083l4 -4l.083 -.094a1 1 0 0 0 -.083 -1.32z\" \/><\/svg> \u4ed8\u5c5e<\/td><\/tr><tr><td>\u30ab\u30e9\u30fc<\/td><td>\u30db\u30ef\u30a4\u30c8<br>\u30d6\u30e9\u30c3\u30af<br>\u30d0\u30a4\u30aa\u30ec\u30c3\u30c8*<br>\u30df\u30f3\u30c8<br>*Amazon\u3067\u306f\u300c\u30d1\u30fc\u30d7\u30eb\u300d\u8868\u8a18<\/td><td>\u30db\u30ef\u30a4\u30c8<br>\u30d6\u30e9\u30c3\u30af<br>\u30d1\u30fc\u30d7\u30eb*<br>\u30df\u30f3\u30c8*<br>*\u516c\u5f0f\u697d\u5929\u5e02\u5834\u5e97\u3067\u306f\u8ca9\u58f2\u3055\u308c\u3066\u3044\u306a\u3044\u3088\u3046\u3067\u3059<\/td><\/tr><tr><td>\u906e\u97f3\u6027\u80fd\u306e\u6e2c\u5b9a\u30fb\u7b97\u51fa\u898f\u683c<\/td><td><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" style=\"position:relative;top:5px;\" viewBox=\"0 0 24 24\" fill=\"#007B50\"><path d=\"M17 3.34a10 10 0 1 1 -14.995 8.984l-.005 -.324l.005 -.324a10 10 0 0 1 14.995 -8.336zm-1.293 5.953a1 1 0 0 0 -1.32 -.083l-.094 .083l-3.293 3.292l-1.293 -1.292l-.094 -.083a1 1 0 0 0 -1.403 1.403l.083 .094l2 2l.094 .083a1 1 0 0 0 1.226 0l.094 -.083l4 -4l.083 -.094a1 1 0 0 0 -.083 -1.32z\" \/><\/svg> EN 352-2:2020<\/td><td><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" style=\"position:relative;top:5px;\" viewBox=\"0 0 24 24\" fill=\"#007B50\"><path d=\"M17 3.34a10 10 0 1 1 -14.995 8.984l-.005 -.324l.005 -.324a10 10 0 0 1 14.995 -8.336zm-1.293 5.953a1 1 0 0 0 -1.32 -.083l-.094 .083l-3.293 3.292l-1.293 -1.292l-.094 -.083a1 1 0 0 0 -1.403 1.403l.083 .094l2 2l.094 .083a1 1 0 0 0 1.226 0l.094 -.083l4 -4l.083 -.094a1 1 0 0 0 -.083 -1.32z\" \/><\/svg> EN 352-2:2020<\/td><\/tr><tr><td>\u4fdd\u8a3c\u671f\u9593<\/td><td>2\u5e74\u9593\uff08Loop Earplugs\u516c\u5f0f\u697d\u5929\u5e02\u5834\u5e97\uff09<\/td><td>2\u5e74\u9593\uff08Loop Earplugs\u516c\u5f0f\u697d\u5929\u5e02\u5834\u5e97\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u97f3\u306e\u9ad8\u3055\u3054\u3068\u306e\u906e\u97f3\u6027\u80fd\u306f\u3053\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30b0\u30e9\u30d5\u306e\u5de6\u306b\u884c\u304f\u307b\u3069\u4f4e\u3044\u97f3\u3001\u53f3\u306b\u884c\u304f\u307b\u3069\u9ad8\u3044\u97f3\u3067\u3001\u7dda\u304c\u4e0b\u306b\u3042\u308b\u307b\u3069\u906e\u97f3\u6027\u80fd\u304c\u4f4e\u304f\uff08\u3042\u307e\u308a\u97f3\u3092\u906e\u308c\u305a\uff09\u3001\u4e0a\u306b\u3042\u308b\u307b\u3069\u9ad8\u3044\uff08\u97f3\u3092\u3088\u304f\u906e\u308c\u308b\uff09\u3068\u3044\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"width:100%\" >\n      <canvas id=\"er20xs\" height=\"350px\"><\/canvas>\n    <\/div>\n\n    <script>\n    var ctx = document.getElementById(\"er20xs\");\n    var myLineChart = new Chart(ctx, {\n      \/\/ 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t-gen\"><table class=\"has-fixed-layout\"><thead><tr><th>\u5468\u6ce2\u6570<br>[Hz]<\/th><th>63<\/th><th>125<\/th><th>250<\/th><th>500<\/th><th>1000<\/th><th>2000<\/th><th>4000<\/th><th>8000<\/th><th>\u5e73\u5747<\/th><\/tr><\/thead><tbody><tr><td>Ear Tips\u306e<br>\u906e\u97f3\u6027\u80fd<br>[dB]<\/td><td>23.3<\/td><td>24.1<\/td><td>20.9<\/td><td>21.3<\/td><td>25.9<\/td><td>31.0<\/td><td>33.0<\/td><td>24.4<\/td><td>26.0<\/td><\/tr><tr><td>Double Tips\u306e<br>\u906e\u97f3\u6027\u80fd<br>[dB]<\/td><td>26.0<\/td><td>26.0<\/td><td>25.6<\/td><td>24.5<\/td><td>24.6<\/td><td>33.3<\/td><td>31.6<\/td><td>36.3<\/td><td>27.0<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n<h3 class=\"wp-block-heading\" id=\"%25e3%2581%258a%25e3%2581%2599%25e3%2581%2599%25e3%2582%2581%25e3%2583%25a9%25e3%2582%25a4%25e3%2583%2596%25e7%2594%25a8%25e8%2580%25b3%25e6%25a0%25933etymotic-research-er20-er20xs\">\u304a\u3059\u3059\u3081\u30e9\u30a4\u30d6\u7528\u8033\u68133\uff1aEtymotic Research ER20 \/ ER20XS<\/h3>\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"394\" src=\"https:\/\/kazunekoyama.com\/blog\/wp-content\/uploads\/2011\/01\/APC_0501-700x394.jpg\" alt=\"\" class=\"wp-image-4170\" srcset=\"https:\/\/kazunekoyama.com\/blog\/wp-content\/uploads\/2011\/01\/APC_0501-700x394.jpg 700w, https:\/\/kazunekoyama.com\/blog\/wp-content\/uploads\/2011\/01\/APC_0501-300x169.jpg 300w, https:\/\/kazunekoyama.com\/blog\/wp-content\/uploads\/2011\/01\/APC_0501-768x432.jpg 768w, https:\/\/kazunekoyama.com\/blog\/wp-content\/uploads\/2011\/01\/APC_0501-1536x864.jpg 1536w, https:\/\/kazunekoyama.com\/blog\/wp-content\/uploads\/2011\/01\/APC_0501-2048x1152.jpg 2048w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\">2009\u5e74\u9803\u306e\u8cfc\u5165\u306e\u305f\u3081\u30a4\u30e4\u30fc\u30d4\u30fc\u30b9\u304c\u7d4c\u5e74\u52a3\u5316\u3067\u9ec4\u3070\u3093\u3067\u3044\u307e\u3059\u3002\u30c7\u30b6\u30a4\u30f3\u3082\u73fe\u884c\u30e2\u30c7\u30eb\u3068\u7570\u306a\u308a\u307e\u3059\u3002<\/figcaption><\/figure>\n\n\n\t\t<div class=\"pochipp-box\"\n\t\t\tdata-id=\"3468\"\n\t\t\tdata-img=\"l\"\n\t\t\tdata-lyt-pc=\"imgbig\"\n\t\t\tdata-lyt-mb=\"vrtcl\"\n\t\t\tdata-btn-style=\"outline\"\n\t\t\tdata-btn-radius=\"off\"\n\t\t\tdata-sale-effect=\"flash\"\n\t\t\t data-cvkey=\"92b01898\"\t\t>\n\t\t\t\t\t\t\t<div class=\"pochipp-box__image\">\n\t\t\t\t\t<a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fr-kojima%2F0846430000223%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Fr-kojima%2F0846430000223%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/thumbnail.image.rakuten.co.jp\/@0_mall\/r-kojima\/cabinet\/n0000001277\/0846430000223_1.jpg?_ex=400x400\" alt=\"\" width=\"120\" height=\"120\" \/>\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"pochipp-box__body\">\n\t\t\t\t<div class=\"pochipp-box__title\">\n\t\t\t\t\t<a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fr-kojima%2F0846430000223%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Fr-kojima%2F0846430000223%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t\tETYMOTICRESEARCH\u3000ER20 \u30a4\u30e4\u30fc\u30d7\u30e9\u30b0 \u30b9\u30bf\u30f3\u30c0\u30fc\u30c9\u30d5\u30a3\u30c3\u30c8 \u30da\u30a2 \u30af\u30ea\u30a2\u30fc\u3000ER20-SMF-C\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t\t\t<div class=\"pochipp-box__info\">\u30b3\u30b8\u30de\u697d\u5929\u5e02\u5834\u5e97<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"pochipp-box__review\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.amazon.co.jp\/product-reviews\/B0015WJQ7A?tag=kazunekoyama-22\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/blog\/wp-content\/plugins\/pochipp\/assets\/img\/review.svg\" alt=\"\" width=\"16\" height=\"16\" \/>\n\t\t\t\t\t\t\t<span>\u53e3\u30b3\u30df\u3092\u898b\u308b<\/span>\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"pochipp-box__btns\"\n\t\tdata-maxclmn-pc=\"fit\"\n\t\tdata-maxclmn-mb=\"1\"\n\t>\n\t\t\t\t\t<div class=\"pochipp-box__btnwrap -amazon\">\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.amazon.co.jp\/dp\/B0015WJQ7A?tag=kazunekoyama-22\" class=\"pochipp-box__btn\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t<span>\n\t\t\t\t\t\tAmazon\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"pochipp-box__btnwrap -rakuten\">\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fr-kojima%2F0846430000223%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Fr-kojima%2F0846430000223%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" class=\"pochipp-box__btn\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t<span>\n\t\t\t\t\t\t\u697d\u5929\u5e02\u5834\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"pochipp-box__logo\">\n\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/blog\/wp-content\/plugins\/pochipp\/assets\/img\/pochipp-logo-t1.png\" alt=\"\" width=\"32\" height=\"32\">\n\t\t\t\t\t<span>\u30dd\u30c1\u30c3\u30d7<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\n\n\t\t<div class=\"pochipp-box\"\n\t\t\tdata-id=\"1676\"\n\t\t\tdata-img=\"l\"\n\t\t\tdata-lyt-pc=\"imgbig\"\n\t\t\tdata-lyt-mb=\"vrtcl\"\n\t\t\tdata-btn-style=\"outline\"\n\t\t\tdata-btn-radius=\"off\"\n\t\t\tdata-sale-effect=\"flash\"\n\t\t\t data-cvkey=\"0454352d\"\t\t>\n\t\t\t\t\t\t\t<div class=\"pochipp-box__image\">\n\t\t\t\t\t<a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fshimamuragakki%2Fpd0006793%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Fshimamuragakki%2Fpd0006793%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/thumbnail.image.rakuten.co.jp\/@0_mall\/shimamuragakki\/cabinet\/pd00067\/pd0006793.jpg?_ex=400x400\" alt=\"\" width=\"120\" height=\"120\" \/>\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"pochipp-box__body\">\n\t\t\t\t<div class=\"pochipp-box__title\">\n\t\t\t\t\t<a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fshimamuragakki%2Fpd0006793%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Fshimamuragakki%2Fpd0006793%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t\tetymotic reserch ER20XS-UF-C \u30af\u30ea\u30a2\u30fc ER20XS \u30a4\u30e4\u30fc\u30d7\u30e9\u30b0 \u30e6\u30cb\u30d0\u30fc\u30b5\u30eb\u30d5\u30a3\u30c3\u30c8 S\u30b5\u30a4\u30ba \u30a8\u30c6\u30a3\u30e2\u30c6\u30a3\u30c3\u30af\u30ea\u30b5\u30fc\u30c1\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t\t\t<div class=\"pochipp-box__info\">\u5cf6\u6751\u697d\u5668<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"pochipp-box__review\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.amazon.co.jp\/product-reviews\/B015IQ6HI4?tag=kazunekoyama-22\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/blog\/wp-content\/plugins\/pochipp\/assets\/img\/review.svg\" alt=\"\" width=\"16\" height=\"16\" \/>\n\t\t\t\t\t\t\t<span>\u53e3\u30b3\u30df\u3092\u898b\u308b<\/span>\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"pochipp-box__btns\"\n\t\tdata-maxclmn-pc=\"fit\"\n\t\tdata-maxclmn-mb=\"1\"\n\t>\n\t\t\t\t\t<div class=\"pochipp-box__btnwrap -amazon\">\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.amazon.co.jp\/dp\/B015IQ6HI4?tag=kazunekoyama-22\" class=\"pochipp-box__btn\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t<span>\n\t\t\t\t\t\tAmazon\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"pochipp-box__btnwrap -rakuten\">\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fshimamuragakki%2Fpd0006793%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Fshimamuragakki%2Fpd0006793%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" class=\"pochipp-box__btn\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t<span>\n\t\t\t\t\t\t\u697d\u5929\u5e02\u5834\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"pochipp-box__logo\">\n\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/blog\/wp-content\/plugins\/pochipp\/assets\/img\/pochipp-logo-t1.png\" alt=\"\" width=\"32\" height=\"32\">\n\t\t\t\t\t<span>\u30dd\u30c1\u30c3\u30d7<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\n\n\n<p>\u30a2\u30e1\u30ea\u30ab\u30fb\u30a4\u30ea\u30ce\u30a4\u5dde\u306e\u3001\u30a4\u30e4\u30db\u30f3\u3084\u8033\u6813\u3092\u5c02\u9580\u3068\u3059\u308b\u30e1\u30fc\u30ab\u30fcEtymotic Research\uff08\u30a8\u30c6\u30a3\u30e2\u30c6\u30a3\u30c3\u30af\u30fb\u30ea\u30b5\u30fc\u30c1\uff09\u306eER20\u3068ER20XS\u3002<\/p>\n\n\n\n<p>ER20\u3068ER20XS\u306e\u906e\u97f3\u6027\u80fd\u306f\u307b\u3068\u3093\u3069\u540c\u3058\u3067\u3059\u304c\u3001ER20\u306f\u672c\u4f53\u306e\u30b9\u30c6\u30e0\u90e8\u5206\u304c\u9577\u304fER20XS\u306f\u77ed\u3044\u3068\u3044\u3046\u9055\u3044\u304c\u3042\u308a\u3001<strong>ER20\u306f\u30b9\u30c6\u30e0\uff08\u8033\u6813\u304b\u3089\u98db\u3073\u51fa\u305f\u68d2\u72b6\u306e\u90e8\u5206\uff09\u304c\u9577\u3044\u3076\u3093ER20XS\u306b\u6bd4\u3079\u308b\u3068\u5c11\u3057\u76ee\u7acb\u3061\u3084\u3059\u3044\u4e00\u65b9\u3001\u8131\u7740\u306f\u3057\u3084\u3059\u3044<\/strong>\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u7b46\u8005\u306fER20\u3092\u9577\u5e74\u4f7f\u3063\u3066\u304d\u307e\u3057\u305f\u304c\u3001\u6f14\u594f\u306e\u30cb\u30e5\u30a2\u30f3\u30b9\u3084\u8feb\u529b\u306f\u554f\u984c\u306a\u304f\u611f\u3058\u53d6\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u8033\u6813\u3092\u3064\u3051\u305f\u72b6\u614b\u3067\u3064\u3051\u3066\u3044\u306a\u3044\u72b6\u614b\u306e\u97f3\uff08\u5b9f\u969b\u306b\u89b3\u5ba2\u306b\u5c4a\u3044\u3066\u3044\u308b\u97f3\uff09\u3092\u30a4\u30e1\u30fc\u30b8\u3057\u306a\u304c\u3089\u97f3\u3092\u51fa\u3059\u3053\u3068\u3082\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u97f3\u97ff\u5916\u50b7\u3067\u82e6\u3057\u3093\u3067\u3044\u305f\u6642\u671f\u306b\u4f7f\u3044\u59cb\u3081\u307e\u3057\u305f\u304c\u3001\u8033\u306f\u6642\u9593\u3092\u304b\u3051\u3066\u5b8c\u5168\u306b\u56de\u5fa9\u3057\u305f\u3053\u3068\u304b\u3089\u3001\u30e9\u30a4\u30d6\u7528\u8033\u6813\u3068\u3057\u3066\u306e\u52b9\u679c\u30fb\u610f\u5473\u304c\u3042\u3063\u305f\u3068\u8a00\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30a4\u30e4\u30fc\u30d4\u30fc\u30b9\u306e\u5927\u304d\u3055\u3084\u30d5\u30e9\u30f3\u30b8\uff08\u30d2\u30c0\u306e\u6570\uff09\u306b\u3088\u3063\u3066\u88fd\u54c1\u304c\u7d30\u304b\u304f\u5206\u304b\u308c\u3066\u3044\u3066\u308f\u304b\u308a\u306b\u304f\u3044\u305f\u3081\u3001\u8868\u306b\u307e\u3068\u3081\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<div class=\"div-important\"><p>\u30a4\u30e4\u30fc\u30d4\u30fc\u30b9\u306f\u76f4\u63a5\u8033\u306b\u30d5\u30a3\u30c3\u30c8\u3059\u308b\u90e8\u5206\u306a\u306e\u3067\u3001\u8033\u304c\u5927\u304d\u3081\u306e\u65b9\u306f\u30a4\u30e4\u30fc\u30d4\u30fc\u30b9\u304c\u300cL\u300d\u306e\u3082\u306e\u3092\u9078\u3093\u3067\u3082\u3088\u3055\u305d\u3046\u3067\u3059\u304c\u3001\u5317\u7c73\/\u30e8\u30fc\u30ed\u30c3\u30d1\u306e\u4eba\u306e\u57fa\u6e96\u3067\u300cL\u300d\u3068\u306a\u308b\u3068\u3001\u65e5\u672c\u306e\u4eba\u306e\u8033\u306b\u306f\u5927\u304d\u3059\u304e\u308b\u53ef\u80fd\u6027\u3082\u3042\u308a\u307e\u3059\u3002<\/p><\/div>\n\n\n\n<p>\u300cUF\u300d\u304c\u4ed8\u304f\u3082\u306e\u306f\u30a4\u30e4\u30fc\u30d4\u30fc\u30b9\u306eS\u3068L\u304c\u3069\u3061\u3089\u3082\u4ed8\u5c5e\u3057\u307e\u3059\u306e\u3067\u3001\u305d\u3061\u3089\u304c\u7121\u96e3\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u305f\u3060\u3057UF\u304c\u3042\u308b\u306e\u306fER20XS\u3060\u3051\u3067\u3001ER20\u306b\u306f\u898b\u5f53\u305f\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/p>\n\n\n\n<div class=\"div-notes\"><p>\u753b\u50cf\u3092\u30bf\u30c3\u30d7\/\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u5546\u54c1\u30da\u30fc\u30b8\u306b\u30b8\u30e3\u30f3\u30d7\u3057\u307e\u3059\u3002<\/p><\/div>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>ER20\u306e\u30d0\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u3092\u898b\u308b<\/summary>\n<figure class=\"wp-block-table t-gen\"><table class=\"has-fixed-layout\"><thead><tr><th><\/th><th>\u30a4\u30e4\u30fc\u30d4\u30fc\u30b9<\/th><th>\u30d5\u30e9\u30f3\u30b8<\/th><th>\u30ab\u30e9\u30fc<\/th><\/tr><\/thead><tbody><tr><td><a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fbiccamera%2F0846430000216%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Fbiccamera%2F0846430000216%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" rel=\"nofollow noopener\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/thumbnail.image.rakuten.co.jp\/@0_mall\/biccamera\/cabinet\/product\/11201\/00000013657378_a01.jpg?_ex=400x400\" alt=\"\" width=\"120\" height=\"120\" \/><\/a><br>ER20-SMB-C<\/td><td>S<\/td><td>3<\/td><td>\u30d6\u30eb\u30fc<\/td><\/tr><tr><td><a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fr-kojima%2F0846430000223%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Fr-kojima%2F0846430000223%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" rel=\"nofollow noopener\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/thumbnail.image.rakuten.co.jp\/@0_mall\/r-kojima\/cabinet\/n0000001277\/0846430000223_1.jpg?_ex=400x400\" alt=\"\" width=\"120\" height=\"120\" \/><\/a><br>ER20-SMF-C<\/td><td>S<\/td><td>3<\/td><td>\u30af\u30ea\u30a2(\u900f\u660e)<\/td><\/tr><tr><td><a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fbiccamera%2F0846430000247%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Fbiccamera%2F0846430000247%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" rel=\"nofollow noopener\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/thumbnail.image.rakuten.co.jp\/@0_mall\/biccamera\/cabinet\/product\/11201\/00000013657380_a01.jpg?_ex=400x400\" alt=\"\" width=\"120\" height=\"120\" \/><\/a><br>ER20-CCC-C<\/td><td>L<\/td><td>3<\/td><td>\u30db\u30ef\u30a4\u30c8<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><\/p>\n<\/details>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>ER20XS\u306e\u30d0\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u3092\u898b\u308b<\/summary>\n<figure class=\"wp-block-table t-gen\"><table class=\"has-fixed-layout\"><thead><tr><th><\/th><th>\u30a4\u30e4\u30fc\u30d4\u30fc\u30b9<\/th><th>\u30d5\u30e9\u30f3\u30b8<\/th><th>\u30ab\u30e9\u30fc<\/th><\/tr><\/thead><tbody><tr><td><a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fshimamuragakki%2Fpd0006794%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Fshimamuragakki%2Fpd0006794%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" rel=\"nofollow noopener\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/thumbnail.image.rakuten.co.jp\/@0_mall\/shimamuragakki\/cabinet\/pd00067\/pd0006794.jpg?_ex=400x400\" alt=\"\" width=\"120\" height=\"120\" \/><\/a><br>ER20XSD-UF-C<\/td><td>S\u3001L\u3001\u30d5\u30a9\u30fc\u30e0<\/td><td>2<\/td><td>\u30af\u30ea\u30a2(\u900f\u660e)<\/td><\/tr><tr><td><a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fshimamuragakki%2Fpd0006791%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Fshimamuragakki%2Fpd0006791%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" rel=\"nofollow noopener\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/thumbnail.image.rakuten.co.jp\/@0_mall\/shimamuragakki\/cabinet\/pd00067\/pd0006791.jpg?_ex=400x400\" alt=\"\" width=\"120\" height=\"120\" \/><\/a><br>ER20XS-SMF-C<\/td><td>S<\/td><td>3<\/td><td>\u30af\u30ea\u30a2(\u900f\u660e)<\/td><\/tr><tr><td><a href=\"https:\/\/www.amazon.co.jp\/dp\/B00RM6Q9XW?tag=kazunekoyama-22\" rel=\"nofollow noopener\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/m.media-amazon.com\/images\/I\/61zumS1A6iL._SL400_.jpg\" alt=\"\" width=\"120\" height=\"120\" \/><\/a><br>ER20XS-SMF-P<\/td><td>S?<\/td><td>3<\/td><td>\u30d5\u30ed\u30b9\u30c8<\/td><\/tr><tr><td><a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fshimamuragakki%2Fpd0006792%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Fshimamuragakki%2Fpd0006792%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" rel=\"nofollow noopener\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/thumbnail.image.rakuten.co.jp\/@0_mall\/shimamuragakki\/cabinet\/pd00067\/pd0006792.jpg?_ex=400x400\" alt=\"\" width=\"120\" height=\"120\" \/><\/a><br>ER20XS-CCC-C<\/td><td>L<\/td><td>3<\/td><td>\u30af\u30ea\u30a2(\u900f\u660e)<\/td><\/tr><tr><td><a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fshimamuragakki%2Fpd0006793%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Fshimamuragakki%2Fpd0006793%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" rel=\"nofollow noopener\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/thumbnail.image.rakuten.co.jp\/@0_mall\/shimamuragakki\/cabinet\/pd00067\/pd0006793.jpg?_ex=400x400\" alt=\"\" width=\"120\" height=\"120\" \/><\/a><br>ER20XS-UF-C<\/td><td>S\u3001L\u3001\u30d5\u30a9\u30fc\u30e0<\/td><td>3<\/td><td>\u30af\u30ea\u30a2(\u900f\u660e)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><\/p>\n<\/details>\n\n\n\n<figure class=\"wp-block-table t-gen\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u30e1\u30fc\u30ab\u30fc<\/td><td><img decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/img\/national_flags\/Flag_of_the_United_States.svg\" height=\"15\" style=\"position:relative;top:2px\"><\/img> Etymotic Research\uff08\u30a2\u30e1\u30ea\u30ab\uff09<\/td><\/tr><tr><td>\u30a4\u30e4\u30fc\u30d4\u30fc\u30b9<\/td><td>\u4e0a\u306e\u8868\u3092\u53c2\u7167<\/td><\/tr><tr><td>\u30d5\u30a3\u30eb\u30bf\u30fc<\/td><td>\u306a\u3057<br>\uff08\u30a4\u30e4\u30fc\u30d4\u30fc\u30b9\u81ea\u4f53\u304c\u30d5\u30a3\u30eb\u30bf\u30fc\uff09<\/td><\/tr><tr><td>\u30b9\u30c8\u30e9\u30c3\u30d7<br>\uff08\u9996\u306b\u304b\u3051\u3089\u308c\u308b\u30d2\u30e2\uff09<\/td><td><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" style=\"position:relative;top:5px;\" viewBox=\"0 0 24 24\" fill=\"#007B50\"><path d=\"M17 3.34a10 10 0 1 1 -14.995 8.984l-.005 -.324l.005 -.324a10 10 0 0 1 14.995 -8.336zm-1.293 5.953a1 1 0 0 0 -1.32 -.083l-.094 .083l-3.293 3.292l-1.293 -1.292l-.094 -.083a1 1 0 0 0 -1.403 1.403l.083 .094l2 2l.094 .083a1 1 0 0 0 1.226 0l.094 -.083l4 -4l.083 -.094a1 1 0 0 0 -.083 -1.32z\" \/><\/svg> \u4ed8\u5c5e<\/td><\/tr><tr><td>\u5c02\u7528\u30b1\u30fc\u30b9<\/td><td><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" style=\"position:relative;top:5px;\" viewBox=\"0 0 24 24\" fill=\"#007B50\"><path d=\"M17 3.34a10 10 0 1 1 -14.995 8.984l-.005 -.324l.005 -.324a10 10 0 0 1 14.995 -8.336zm-1.293 5.953a1 1 0 0 0 -1.32 -.083l-.094 .083l-3.293 3.292l-1.293 -1.292l-.094 -.083a1 1 0 0 0 -1.403 1.403l.083 .094l2 2l.094 .083a1 1 0 0 0 1.226 0l.094 -.083l4 -4l.083 -.094a1 1 0 0 0 -.083 -1.32z\" \/><\/svg> \u4ed8\u5c5e<\/td><\/tr><tr><td>\u30ab\u30e9\u30fc<\/td><td>\u30af\u30ea\u30a2\uff08\u900f\u660e\uff09<\/td><\/tr><tr><td>\u906e\u97f3\u6027\u80fd\u306e\u6e2c\u5b9a\u30fb\u7b97\u51fa\u898f\u683c<\/td><td><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" style=\"position:relative;top:5px;\" viewBox=\"0 0 24 24\" fill=\"#007B50\"><path d=\"M17 3.34a10 10 0 1 1 -14.995 8.984l-.005 -.324l.005 -.324a10 10 0 0 1 14.995 -8.336zm-1.293 5.953a1 1 0 0 0 -1.32 -.083l-.094 .083l-3.293 3.292l-1.293 -1.292l-.094 -.083a1 1 0 0 0 -1.403 1.403l.083 .094l2 2l.094 .083a1 1 0 0 0 1.226 0l.094 -.083l4 -4l.083 -.094a1 1 0 0 0 -.083 -1.32z\" \/><\/svg> EN 352-2:2020<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u97f3\u306e\u9ad8\u3055\u3054\u3068\u306e\u906e\u97f3\u6027\u80fd\u306f\u3053\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30b0\u30e9\u30d5\u306e\u5de6\u306b\u884c\u304f\u307b\u3069\u4f4e\u3044\u97f3\u3001\u53f3\u306b\u884c\u304f\u307b\u3069\u9ad8\u3044\u97f3\u3067\u3001\u7dda\u304c\u4e0b\u306b\u3042\u308b\u307b\u3069\u906e\u97f3\u6027\u80fd\u304c\u4f4e\u304f\uff08\u3042\u307e\u308a\u97f3\u3092\u906e\u308c\u305a\uff09\u3001\u4e0a\u306b\u3042\u308b\u307b\u3069\u9ad8\u3044\uff08\u97f3\u3092\u3088\u304f\u906e\u308c\u308b\uff09\u3068\u3044\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"width:100%\" >\n      <canvas id=\"er20\" height=\"350px\"><\/canvas>\n    <\/div>\n\n    <script>\n    var ctx = document.getElementById(\"er20\");\n    var myLineChart = new Chart(ctx, {\n      \/\/ \u30b0\u30e9\u30d5\u306e\u7a2e\u985e\uff1a\u6298\u308c\u7dda\u30b0\u30e9\u30d5\u3092\u6307\u5b9a\n      type: 'line',\n      data: {\n        \/\/ x\u8ef8\u306e\u5404\u30e1\u30e2\u30ea\n        labels: ['63', '125', '250', '500', '1000', '2000', '4000', '8000'],\n        datasets: [\n          {\n            label: 'ER20',\n            data: [15.2, 11.4, 14.5, 17.3, 20.5, 22.6, 21.3, 26.1],\n            borderColor: \"#DA508F\",\n            backgroundColor: \"#00000000\",\n            tension: 0.4 \/\/ \u3053\u3053\u3067\u66f2\u7dda\u306e\u7de9\u3084\u304b\u3055\u3092\u8a2d\u5b9a\n          },\n          {\n            label: 'ER20XS',\n            data: [14.8, 10.4, 14.2, 17.7, 18.9, 21.0, 20.9, 30.3],\n            borderColor: \"#BE003F\",\n            backgroundColor: \"#00000000\",\n            tension: 0.4 \/\/ \u3053\u3053\u3067\u66f2\u7dda\u306e\u7de9\u3084\u304b\u3055\u3092\u8a2d\u5b9a\n          },\n        ],\n      },\n      options: {\n        title: {\n          display: true,\n          text: ''\n        },\n        scales: {\n          x: {\n            ticks: {\n              font: {\n                size: 15\n              }\n            },\n            title: {\n                display: true,\n                text: '\u5468\u6ce2\u6570 [Hz]',  \/\/ X\u8ef8\u306e\u30e9\u30d9\u30eb\n                font: {\n                  size: 15\n                }\n            }\n          },\n          y: {\n            min: 5,\n            max: 40,\n            ticks: {\n              font: {\n                size: 15\n              }\n            },\n            title: {\n                display: true,\n                text: '\u906e\u97f3\u6027\u80fd [dB]',  \/\/ Y\u8ef8\u306e\u30e9\u30d9\u30eb\n                font: {\n                  size: 15\n                }\n            }\n          },\n          yAxes: [{\n            ticks: {\n              suggestedMax: 40,\n              suggestedMin: 5,\n              stepSize: 10,  \/\/ \u7e26\u30e1\u30e2\u30ea\u306e\u30b9\u30c6\u30c3\u30d7\u6570\n              callback: function(value, index, values){\n                return  value +  'dB'  \/\/ \u5404\u30e1\u30e2\u30ea\u306e\u30b9\u30c6\u30c3\u30d7\u3054\u3068\u306e\u8868\u8a18\uff08value\u306f\u5404\u30b9\u30c6\u30c3\u30d7\u306e\u5024\uff09\n              }\n            }\n          }]\n        },\n        plugins: {\n          title: {\n            display: true,\n            text: 'ER20 \/ ER20XS\u306eSNR\u5024',\n            font: {\n              size: 20\n            }\n          },\n          legend: {\n            display: true,\n            position: 'top',\n            labels: {\n              font: {\n                size: 15\n              }\n            }\n          }\n        },\n        layout: {\n          padding: {\n            top: 0,\n            right: 0,\n            bottom: 40,\n            left: 0\n          }\n        }\n      }\n    });\n    <\/script>\n\n\n\n<figure class=\"wp-block-table t-gen\"><table class=\"has-fixed-layout\"><thead><tr><th>\u5468\u6ce2\u6570<br>[Hz]<\/th><th>63<\/th><th>125<\/th><th>250<\/th><th>500<\/th><th>1000<\/th><th>2000<\/th><th>4000<\/th><th>8000<\/th><th>\u5e73\u5747<\/th><\/tr><\/thead><tbody><tr><td>ER20\u306e<br>\u906e\u97f3\u6027\u80fd<br>[dB]<\/td><td>15.2<\/td><td>11.4<\/td><td>14.5<\/td><td>17.3<\/td><td>20.5<\/td><td>22.6<\/td><td>21.3<\/td><td>26.1<\/td><td>18.6<\/td><\/tr><tr><td>ER20XS\u306e<br>\u906e\u97f3\u6027\u80fd<br>[dB]<\/td><td>14.8<\/td><td>10.4<\/td><td>14.2<\/td><td>17.7<\/td><td>18.9<\/td><td>21.0<\/td><td>20.9<\/td><td>30.3<\/td><td>18.5<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n<h3 class=\"wp-block-heading\" id=\"%25e3%2581%258a%25e3%2581%2599%25e3%2581%2599%25e3%2582%2581%25e3%2583%25a9%25e3%2582%25a4%25e3%2583%2596%25e7%2594%25a8%25e8%2580%25b3%25e6%25a0%25934sennheiser-soundprotex\">\u304a\u3059\u3059\u3081\u30e9\u30a4\u30d6\u7528\u8033\u68134\uff1aSennheiser SoundProtex<\/h3>\n\n\t\t<div class=\"pochipp-box\"\n\t\t\tdata-id=\"3052\"\n\t\t\tdata-img=\"l\"\n\t\t\tdata-lyt-pc=\"imgbig\"\n\t\t\tdata-lyt-mb=\"vrtcl\"\n\t\t\tdata-btn-style=\"outline\"\n\t\t\tdata-btn-radius=\"off\"\n\t\t\tdata-sale-effect=\"flash\"\n\t\t\t data-cvkey=\"05b37a5e\"\t\t>\n\t\t\t\t\t\t\t<div class=\"pochipp-box__image\">\n\t\t\t\t\t<a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fsennheiser-hearing%2Fsoundprotex%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Fsennheiser-hearing%2Fsoundprotex%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/thumbnail.image.rakuten.co.jp\/@0_mall\/sennheiser-hearing\/cabinet\/soundprotex\/s.jpg?_ex=400x400\" alt=\"\" width=\"120\" height=\"120\" \/>\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"pochipp-box__body\">\n\t\t\t\t<div class=\"pochipp-box__title\">\n\t\t\t\t\t<a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fsennheiser-hearing%2Fsoundprotex%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Fsennheiser-hearing%2Fsoundprotex%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t\t\u30bc\u30f3\u30cf\u30a4\u30b6\u30fc\u516c\u5f0f Sennheiser SoundProtex | \u30a4\u30e4\u30fc\u30d7\u30e9\u30b0 \u8033\u6813 \u30a2\u30ec\u30eb\u30b2\u30f3\u30d5\u30ea\u30fc HiFi\u30b5\u30a6\u30f3\u30c9 \u97f3\u97ff\u30d5\u30a3\u30eb\u30bf\u30fc\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t\t\t<div class=\"pochipp-box__info\">\u30bc\u30f3\u30cf\u30a4\u30b6\u30fc\u30d2\u30a2\u30ea\u30f3\u30b0\u697d\u5929\u5e02\u5834\u5e97<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"pochipp-box__review\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.amazon.co.jp\/product-reviews\/B0C65WVJ1N?tag=kazunekoyama-22\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/blog\/wp-content\/plugins\/pochipp\/assets\/img\/review.svg\" alt=\"\" width=\"16\" height=\"16\" \/>\n\t\t\t\t\t\t\t<span>\u53e3\u30b3\u30df\u3092\u898b\u308b<\/span>\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"pochipp-box__btns\"\n\t\tdata-maxclmn-pc=\"fit\"\n\t\tdata-maxclmn-mb=\"1\"\n\t>\n\t\t\t\t\t<div class=\"pochipp-box__btnwrap -amazon\">\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.amazon.co.jp\/dp\/B0C65WVJ1N?tag=kazunekoyama-22\" class=\"pochipp-box__btn\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t<span>\n\t\t\t\t\t\tAmazon\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"pochipp-box__btnwrap -rakuten\">\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fsennheiser-hearing%2Fsoundprotex%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Fsennheiser-hearing%2Fsoundprotex%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" class=\"pochipp-box__btn\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t<span>\n\t\t\t\t\t\t\u697d\u5929\u5e02\u5834\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"pochipp-box__logo\">\n\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/blog\/wp-content\/plugins\/pochipp\/assets\/img\/pochipp-logo-t1.png\" alt=\"\" width=\"32\" height=\"32\">\n\t\t\t\t\t<span>\u30dd\u30c1\u30c3\u30d7<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\n\n\n<p>\u30d7\u30ed\u30d5\u30a7\u30c3\u30b7\u30e7\u30ca\u30eb\u306e\u73fe\u5834\u3067\u6570\u591a\u304f\u63a1\u7528\u3055\u308c\u308b\u696d\u52d9\u7528\u306e\u30a4\u30e4\u30db\u30f3\u3001\u30d8\u30c3\u30c9\u30db\u30f3\u3001\u30de\u30a4\u30af\u306a\u3069\u3092\u624b\u304c\u3051\u308b\u30c9\u30a4\u30c4\u306e\u97f3\u97ff\u6a5f\u5668\u30e1\u30fc\u30ab\u30fcSennheiser\uff08\u30bc\u30f3\u30cf\u30a4\u30b6\u30fc\uff09\u306eSoundProtex\u3002<\/p>\n\n\n\n<p>\u4f4e\u97f3\u301c\u4e2d\u97f3\u304f\u3089\u3044\u307e\u3067\u306f\u30d0\u30e9\u30f3\u30b9\u3088\u304f\u9ad8\u3044\u906e\u97f3\u6027\u3067\u3059\u304c\u3001\u305d\u308c\u3088\u308a\u9ad8\u3044\u97f3\u306f\u3042\u307e\u308a\u906e\u3089\u306a\u304f\u306a\u308b\u3068\u3044\u3046\u73cd\u3057\u3044\u7279\u6027\u3092\u6301\u3061\u307e\u3059\u3002<\/p>\n\n\n\n<p>3\u7a2e\u985e\u306e\u30a4\u30e4\u30fc\u30d4\u30fc\u30b9\uff08S\u3001M\u3001L\uff09\u30682\u7a2e\u985e\u306e\u30d5\u30a3\u30eb\u30bf\u30fc\uff08\u30df\u30c3\u30c9\u30d5\u30a3\u30eb\u30bf\u30fc\u3001\u30d5\u30eb\u30d6\u30ed\u30c3\u30af\u30d5\u30a3\u30eb\u30bf\u30fc\uff09\u304c\u4ed8\u5c5e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table t-gen\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u30e1\u30fc\u30ab\u30fc<\/td><td><img decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/img\/national_flags\/Flag_of_Germany.svg\" height=\"15\" style=\"position:relative;top:2px\"><\/img> Sennheiser\uff08\u30c9\u30a4\u30c4\uff09<\/td><\/tr><tr><td>\u30a4\u30e4\u30fc\u30d4\u30fc\u30b9<\/td><td>S x 1\u30da\u30a2\u3001<br>M x 1\u30da\u30a2\u3001<br>L x 1\u30da\u30a2<\/td><\/tr><tr><td>\u30d5\u30a3\u30eb\u30bf\u30fc<\/td><td>\u30df\u30c3\u30c9\u30d5\u30a3\u30eb\u30bf\u30fc\u3001<br>\u30d5\u30eb\u30d6\u30ed\u30c3\u30af\u30d5\u30a3\u30eb\u30bf\u30fc<\/td><\/tr><tr><td>\u30b9\u30c8\u30e9\u30c3\u30d7<br>\uff08\u9996\u306b\u304b\u3051\u3089\u308c\u308b\u30d2\u30e2\uff09<\/td><td><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" style=\"position:relative;top:5px;\" viewBox=\"0 0 24 24\" fill=\"#BE003F\"><path d=\"M17 3.34a10 10 0 1 1 -14.995 8.984l-.005 -.324l.005 -.324a10 10 0 0 1 14.995 -8.336zm-6.489 5.8a1 1 0 0 0 -1.218 1.567l1.292 1.293l-1.292 1.293l-.083 .094a1 1 0 0 0 1.497 1.32l1.293 -1.292l1.293 1.292l.094 .083a1 1 0 0 0 1.32 -1.497l-1.292 -1.293l1.292 -1.293l.083 -.094a1 1 0 0 0 -1.497 -1.32l-1.293 1.292l-1.293 -1.292l-.094 -.083z\" \/><\/svg> \u306a\u3057<\/td><\/tr><tr><td>\u5c02\u7528\u30b1\u30fc\u30b9<\/td><td><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" style=\"position:relative;top:5px;\" viewBox=\"0 0 24 24\" fill=\"#007B50\"><path d=\"M17 3.34a10 10 0 1 1 -14.995 8.984l-.005 -.324l.005 -.324a10 10 0 0 1 14.995 -8.336zm-1.293 5.953a1 1 0 0 0 -1.32 -.083l-.094 .083l-3.293 3.292l-1.293 -1.292l-.094 -.083a1 1 0 0 0 -1.403 1.403l.083 .094l2 2l.094 .083a1 1 0 0 0 1.226 0l.094 -.083l4 -4l.083 -.094a1 1 0 0 0 -.083 -1.32z\" \/><\/svg> \u4ed8\u5c5e<\/td><\/tr><tr><td>\u30ab\u30e9\u30fc<\/td><td>\u30d6\u30e9\u30c3\u30af<\/td><\/tr><tr><td>\u906e\u97f3\u6027\u80fd\u306e\u6e2c\u5b9a\u30fb\u7b97\u51fa\u898f\u683c<\/td><td><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" style=\"position:relative;top:5px;\" viewBox=\"0 0 24 24\" fill=\"#007B50\"><path d=\"M17 3.34a10 10 0 1 1 -14.995 8.984l-.005 -.324l.005 -.324a10 10 0 0 1 14.995 -8.336zm-1.293 5.953a1 1 0 0 0 -1.32 -.083l-.094 .083l-3.293 3.292l-1.293 -1.292l-.094 -.083a1 1 0 0 0 -1.403 1.403l.083 .094l2 2l.094 .083a1 1 0 0 0 1.226 0l.094 -.083l4 -4l.083 -.094a1 1 0 0 0 -.083 -1.32z\" \/><\/svg> EN 352-2:2020<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u97f3\u306e\u9ad8\u3055\u3054\u3068\u306e\u906e\u97f3\u6027\u80fd\u306f\u3053\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30b0\u30e9\u30d5\u306e\u5de6\u306b\u884c\u304f\u307b\u3069\u4f4e\u3044\u97f3\u3001\u53f3\u306b\u884c\u304f\u307b\u3069\u9ad8\u3044\u97f3\u3067\u3001\u7dda\u304c\u4e0b\u306b\u3042\u308b\u307b\u3069\u906e\u97f3\u6027\u80fd\u304c\u4f4e\u304f\uff08\u3042\u307e\u308a\u97f3\u3092\u906e\u308c\u305a\uff09\u3001\u4e0a\u306b\u3042\u308b\u307b\u3069\u9ad8\u3044\uff08\u97f3\u3092\u3088\u304f\u906e\u308c\u308b\uff09\u3068\u3044\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"div-notes\"><p>\u30d5\u30eb\u30d6\u30ed\u30c3\u30af\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u5024\u306f\u898b\u5f53\u305f\u3089\u305a\u3001\u30d5\u30a7\u30b9\u3084\u30b3\u30f3\u30b5\u30fc\u30c8\u306b\u9069\u3057\u3066\u3044\u308b\u3068\u3044\u3046\u30df\u30c3\u30c9\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u6570\u5024\u3067\u6bd4\u8f03\u3057\u3066\u3044\u307e\u3059\u3002<\/p><\/div>\n\n\n\n<div style=\"width:100%\" >\n      <canvas id=\"soundprotex\" height=\"350px\"><\/canvas>\n    <\/div>\n\n    <script>\n    var ctx = document.getElementById(\"soundprotex\");\n    var myLineChart = new Chart(ctx, {\n      \/\/ \u30b0\u30e9\u30d5\u306e\u7a2e\u985e\uff1a\u6298\u308c\u7dda\u30b0\u30e9\u30d5\u3092\u6307\u5b9a\n      type: 'line',\n      data: {\n        \/\/ x\u8ef8\u306e\u5404\u30e1\u30e2\u30ea\n        labels: ['63', '125', '250', '500', '1000', '2000', '4000', '8000'],\n        datasets: [\n          {\n            label: '\u30df\u30c3\u30c9\u30d5\u30a3\u30eb\u30bf\u30fc',\n            data: [21.4, 23.6, 22.8, 22.7, 25.8, 22.8, 15.8, 13.5],\n            borderColor: \"#82AA3E\",\n            backgroundColor: \"#00000000\",\n            tension: 0.4 \/\/ \u3053\u3053\u3067\u66f2\u7dda\u306e\u7de9\u3084\u304b\u3055\u3092\u8a2d\u5b9a\n          },\n        ],\n      },\n      options: {\n        title: {\n          display: true,\n          text: ''\n        },\n        scales: {\n          x: {\n            ticks: {\n              font: {\n                size: 15\n              }\n            },\n            title: {\n                display: true,\n                text: '\u5468\u6ce2\u6570 [Hz]',  \/\/ X\u8ef8\u306e\u30e9\u30d9\u30eb\n                font: {\n                  size: 15\n                }\n            }\n          },\n          y: {\n            min: 5,\n            max: 40,\n            ticks: {\n              font: {\n                size: 15\n              }\n            },\n            title: {\n                display: true,\n                text: '\u906e\u97f3\u6027\u80fd [dB]',  \/\/ Y\u8ef8\u306e\u30e9\u30d9\u30eb\n                font: {\n                  size: 15\n                }\n            }\n          },\n          yAxes: [{\n            ticks: {\n              suggestedMax: 40,\n              suggestedMin: 5,\n              stepSize: 10,  \/\/ \u7e26\u30e1\u30e2\u30ea\u306e\u30b9\u30c6\u30c3\u30d7\u6570\n              callback: function(value, index, values){\n                return  value +  'dB'  \/\/ \u5404\u30e1\u30e2\u30ea\u306e\u30b9\u30c6\u30c3\u30d7\u3054\u3068\u306e\u8868\u8a18\uff08value\u306f\u5404\u30b9\u30c6\u30c3\u30d7\u306e\u5024\uff09\n              }\n            }\n          }]\n        },\n        plugins: {\n          title: {\n            display: true,\n            text: 'SoundProtex\u306eSNR\u5024',\n            font: {\n              size: 20\n            }\n          },\n          legend: {\n            display: true,\n            position: 'top',\n            labels: {\n              font: {\n                size: 15\n              }\n            }\n          }\n        },\n        layout: {\n          padding: {\n            top: 0,\n            right: 0,\n            bottom: 40,\n            left: 0\n          }\n        }\n      }\n    });\n    <\/script>\n\n\n\n<figure class=\"wp-block-table t-gen\"><table class=\"has-fixed-layout\"><thead><tr><th>\u5468\u6ce2\u6570<br>[Hz]<\/th><th>63<\/th><th>125<\/th><th>250<\/th><th>500<\/th><th>1000<\/th><th>2000<\/th><th>4000<\/th><th>8000<\/th><th>\u5e73\u5747<\/th><\/tr><\/thead><tbody><tr><td>\u906e\u97f3\u6027\u80fd<br>[dB]<\/td><td>21.4<\/td><td>23.6<\/td><td>22.8<\/td><td>22.7<\/td><td>25.8<\/td><td>22.8<\/td><td>15.8<\/td><td>17.4<\/td><td>21.1<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n<h3 class=\"wp-block-heading\" id=\"%25e3%2581%258a%25e3%2581%2599%25e3%2581%2599%25e3%2582%2581%25e3%2583%25a9%25e3%2582%25a4%25e3%2583%2596%25e7%2594%25a8%25e8%2580%25b3%25e6%25a0%25935alpine-musicsafe-pro\">\u304a\u3059\u3059\u3081\u30e9\u30a4\u30d6\u7528\u8033\u68135\uff1aAlpine MusicSafe Pro<\/h3>\n\n\n<p>TPR\uff08\u30db\u30ef\u30a4\u30c8\uff09<\/p>\n\n\n\t\t<div class=\"pochipp-box\"\n\t\t\tdata-id=\"1677\"\n\t\t\tdata-img=\"l\"\n\t\t\tdata-lyt-pc=\"imgbig\"\n\t\t\tdata-lyt-mb=\"vrtcl\"\n\t\t\tdata-btn-style=\"outline\"\n\t\t\tdata-btn-radius=\"off\"\n\t\t\tdata-sale-effect=\"flash\"\n\t\t\t data-cvkey=\"35d8472c\"\t\t>\n\t\t\t\t\t\t\t<div class=\"pochipp-box__image\">\n\t\t\t\t\t<a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fcycleconnection%2Fs-b07s7dmxg5-20250722%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Fcycleconnection%2Fs-b07s7dmxg5-20250722%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/thumbnail.image.rakuten.co.jp\/@0_mall\/cycleconnection\/cabinet\/n20250515080324\/b07s7dmxg5-1.jpg?_ex=400x400\" alt=\"\" width=\"120\" height=\"120\" \/>\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"pochipp-box__body\">\n\t\t\t\t<div class=\"pochipp-box__title\">\n\t\t\t\t\t<a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fcycleconnection%2Fs-b07s7dmxg5-20250722%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Fcycleconnection%2Fs-b07s7dmxg5-20250722%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t\tAlpine MusicSafe Pro TPR\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t\t\t<div class=\"pochipp-box__info\">\u30b5\u30a4\u30af\u30eb\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u697d\u5929\u5e02\u5834\u5e97<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"pochipp-box__review\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.amazon.co.jp\/product-reviews\/B07S7DMXG5?tag=kazunekoyama-22\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/blog\/wp-content\/plugins\/pochipp\/assets\/img\/review.svg\" alt=\"\" width=\"16\" height=\"16\" \/>\n\t\t\t\t\t\t\t<span>\u53e3\u30b3\u30df\u3092\u898b\u308b<\/span>\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"pochipp-box__btns\"\n\t\tdata-maxclmn-pc=\"fit\"\n\t\tdata-maxclmn-mb=\"1\"\n\t>\n\t\t\t\t\t<div class=\"pochipp-box__btnwrap -amazon\">\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.amazon.co.jp\/dp\/B07S7DMXG5?tag=kazunekoyama-22\" class=\"pochipp-box__btn\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t<span>\n\t\t\t\t\t\tAmazon\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"pochipp-box__btnwrap -rakuten\">\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fcycleconnection%2Fs-b07s7dmxg5-20250722%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Fcycleconnection%2Fs-b07s7dmxg5-20250722%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" class=\"pochipp-box__btn\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t<span>\n\t\t\t\t\t\t\u697d\u5929\u5e02\u5834\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"pochipp-box__logo\">\n\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/blog\/wp-content\/plugins\/pochipp\/assets\/img\/pochipp-logo-t1.png\" alt=\"\" width=\"32\" height=\"32\">\n\t\t\t\t\t<span>\u30dd\u30c1\u30c3\u30d7<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\n\n\n<p>BLK\uff08\u30d6\u30e9\u30c3\u30af\uff09<\/p>\n\n\n\t\t<div class=\"pochipp-box\"\n\t\t\tdata-id=\"4909\"\n\t\t\tdata-img=\"l\"\n\t\t\tdata-lyt-pc=\"imgbig\"\n\t\t\tdata-lyt-mb=\"vrtcl\"\n\t\t\tdata-btn-style=\"outline\"\n\t\t\tdata-btn-radius=\"off\"\n\t\t\tdata-sale-effect=\"flash\"\n\t\t\t data-cvkey=\"86a4c3ff\"\t\t>\n\t\t\t\t\t\t\t<div class=\"pochipp-box__image\">\n\t\t\t\t\t<a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fcycleconnection%2Fs-b07hhfvspb-20250722%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Fcycleconnection%2Fs-b07hhfvspb-20250722%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/thumbnail.image.rakuten.co.jp\/@0_mall\/cycleconnection\/cabinet\/n20250515080324\/b07hhfvspb-1.jpg?_ex=400x400\" alt=\"\" width=\"120\" height=\"120\" \/>\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"pochipp-box__body\">\n\t\t\t\t<div class=\"pochipp-box__title\">\n\t\t\t\t\t<a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fcycleconnection%2Fs-b07hhfvspb-20250722%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Fcycleconnection%2Fs-b07hhfvspb-20250722%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t\tAlpine MusicSafe Pro BLACK\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t\t\t<div class=\"pochipp-box__info\">\u30b5\u30a4\u30af\u30eb\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u697d\u5929\u5e02\u5834\u5e97<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"pochipp-box__review\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.amazon.co.jp\/product-reviews\/B07HHFVSPB?tag=kazunekoyama-22\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/blog\/wp-content\/plugins\/pochipp\/assets\/img\/review.svg\" alt=\"\" width=\"16\" height=\"16\" \/>\n\t\t\t\t\t\t\t<span>\u53e3\u30b3\u30df\u3092\u898b\u308b<\/span>\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"pochipp-box__btns\"\n\t\tdata-maxclmn-pc=\"fit\"\n\t\tdata-maxclmn-mb=\"1\"\n\t>\n\t\t\t\t\t<div class=\"pochipp-box__btnwrap -amazon\">\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.amazon.co.jp\/dp\/B07HHFVSPB?tag=kazunekoyama-22\" class=\"pochipp-box__btn\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t<span>\n\t\t\t\t\t\tAmazon\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"pochipp-box__btnwrap -rakuten\">\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fcycleconnection%2Fs-b07hhfvspb-20250722%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Fcycleconnection%2Fs-b07hhfvspb-20250722%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" class=\"pochipp-box__btn\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t<span>\n\t\t\t\t\t\t\u697d\u5929\u5e02\u5834\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"pochipp-box__logo\">\n\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/blog\/wp-content\/plugins\/pochipp\/assets\/img\/pochipp-logo-t1.png\" alt=\"\" width=\"32\" height=\"32\">\n\t\t\t\t\t<span>\u30dd\u30c1\u30c3\u30d7<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\n\n\n<p>\u30aa\u30e9\u30f3\u30c0\u306e\u8033\u6813\u5c02\u9580\u30e1\u30fc\u30ab\u30fcAlpine\uff08\u30a2\u30eb\u30d1\u30a4\u30f3\uff09\u306eMusicSafe Pro\u3002<\/p>\n\n\n\n<p>\u4f4e\u3044\u97f3\u306f\u305d\u308c\u307b\u3069\u906e\u3089\u305a\u3001\u9ad8\u3044\u97f3\u306b\u306a\u308b\u307b\u3069\u3088\u304f\u906e\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Gold\uff08\u5f37\u529b\u306a\u906e\u97f3\uff09<\/li>\n\n\n\n<li>Silver\uff08\u4e2d\u7a0b\u5ea6\u306e\u906e\u97f3\uff09<\/li>\n\n\n\n<li>White\uff08\u7c21\u5358\u306a\u906e\u97f3\uff09<\/li>\n<\/ul>\n\n\n\n<p>\u3068\u3044\u30463\u7a2e\u985e\u306e\u30d5\u30a3\u30eb\u30bf\u30fc\u304c\u4ed8\u5c5e\u3059\u308b\u305f\u3081\u3001\u4f8b\u3048\u3070\u6f14\u594f\u306e\u30cb\u30e5\u30a2\u30f3\u30b9\u3088\u308a\u3082\u8033\u306e\u4fdd\u8b77\u3092\u512a\u5148\u3057\u305f\u3044\u6642\u306fGold\u3092\u3001\u30cb\u30e5\u30a2\u30f3\u30b9\u3092\u6b63\u78ba\u306b\u611f\u3058\u53d6\u308a\u305f\u3044\u3068\u304d\u306fSilver\u3092\u3001\u3068\u3044\u3046\u3088\u3046\u306b\u72b6\u6cc1\u306b\u5fdc\u3058\u3066\u67d4\u8edf\u306b\u5bfe\u5fdc\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table t-gen\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u30e1\u30fc\u30ab\u30fc<\/td><td><img decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/img\/national_flags\/Flag_of_the_Netherlands.svg\" height=\"15\" style=\"position:relative;top:2px\"><\/img> Alpine\uff08\u30aa\u30e9\u30f3\u30c0\uff09<\/td><\/tr><tr><td>\u30a4\u30e4\u30fc\u30d4\u30fc\u30b9<\/td><td>\u5185\u8535\uff08\u4ea4\u63db\u4e0d\u53ef\uff09<\/td><\/tr><tr><td>\u30d5\u30a3\u30eb\u30bf\u30fc<\/td><td>Gold x 1\u30da\u30a2\u3001<br>Silver x 1\u30da\u30a2\u3001<br>White x 1\u30da\u30a2<\/td><\/tr><tr><td>\u30b9\u30c8\u30e9\u30c3\u30d7<br>\uff08\u9996\u306b\u304b\u3051\u3089\u308c\u308b\u30d2\u30e2\uff09<\/td><td><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" style=\"position:relative;top:5px;\" viewBox=\"0 0 24 24\" fill=\"#007B50\"><path d=\"M17 3.34a10 10 0 1 1 -14.995 8.984l-.005 -.324l.005 -.324a10 10 0 0 1 14.995 -8.336zm-1.293 5.953a1 1 0 0 0 -1.32 -.083l-.094 .083l-3.293 3.292l-1.293 -1.292l-.094 -.083a1 1 0 0 0 -1.403 1.403l.083 .094l2 2l.094 .083a1 1 0 0 0 1.226 0l.094 -.083l4 -4l.083 -.094a1 1 0 0 0 -.083 -1.32z\" \/><\/svg> \u4ed8\u5c5e<\/td><\/tr><tr><td>\u5c02\u7528\u30b1\u30fc\u30b9<\/td><td><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" style=\"position:relative;top:5px;\" viewBox=\"0 0 24 24\" fill=\"#007B50\"><path d=\"M17 3.34a10 10 0 1 1 -14.995 8.984l-.005 -.324l.005 -.324a10 10 0 0 1 14.995 -8.336zm-1.293 5.953a1 1 0 0 0 -1.32 -.083l-.094 .083l-3.293 3.292l-1.293 -1.292l-.094 -.083a1 1 0 0 0 -1.403 1.403l.083 .094l2 2l.094 .083a1 1 0 0 0 1.226 0l.094 -.083l4 -4l.083 -.094a1 1 0 0 0 -.083 -1.32z\" \/><\/svg> \u4ed8\u5c5e<\/td><\/tr><tr><td>\u30ab\u30e9\u30fc<\/td><td>TPR\uff08\u30db\u30ef\u30a4\u30c8\uff09\u3001<br>BLK\uff08\u30d6\u30e9\u30c3\u30af\uff09<\/td><\/tr><tr><td>\u906e\u97f3\u6027\u80fd\u306e\u6e2c\u5b9a\u30fb\u7b97\u51fa\u898f\u683c<\/td><td><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" style=\"position:relative;top:5px;\" viewBox=\"0 0 24 24\" fill=\"#007B50\"><path d=\"M17 3.34a10 10 0 1 1 -14.995 8.984l-.005 -.324l.005 -.324a10 10 0 0 1 14.995 -8.336zm-1.293 5.953a1 1 0 0 0 -1.32 -.083l-.094 .083l-3.293 3.292l-1.293 -1.292l-.094 -.083a1 1 0 0 0 -1.403 1.403l.083 .094l2 2l.094 .083a1 1 0 0 0 1.226 0l.094 -.083l4 -4l.083 -.094a1 1 0 0 0 -.083 -1.32z\" \/><\/svg> EN 352-2:2020<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u305d\u308c\u305e\u308c\u306e\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u3001\u97f3\u306e\u9ad8\u3055\u3054\u3068\u306e\u906e\u97f3\u6027\u80fd\u306f\u3053\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30b0\u30e9\u30d5\u306e\u5de6\u306b\u884c\u304f\u307b\u3069\u4f4e\u3044\u97f3\u3001\u53f3\u306b\u884c\u304f\u307b\u3069\u9ad8\u3044\u97f3\u3067\u3001\u7dda\u304c\u4e0b\u306b\u3042\u308b\u307b\u3069\u906e\u97f3\u6027\u80fd\u304c\u4f4e\u304f\uff08\u3042\u307e\u308a\u97f3\u3092\u906e\u308c\u305a\uff09\u3001\u4e0a\u306b\u3042\u308b\u307b\u3069\u9ad8\u3044\uff08\u97f3\u3092\u3088\u304f\u906e\u308c\u308b\uff09\u3068\u3044\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"width:100%\" >\n      <canvas id=\"musicsafepro\" height=\"350px\"><\/canvas>\n    <\/div>\n\n    <script>\n    var ctx = document.getElementById(\"musicsafepro\");\n    var myLineChart = new Chart(ctx, {\n      \/\/ \u30b0\u30e9\u30d5\u306e\u7a2e\u985e\uff1a\u6298\u308c\u7dda\u30b0\u30e9\u30d5\u3092\u6307\u5b9a\n      type: 'line',\n      data: {\n        \/\/ x\u8ef8\u306e\u5404\u30e1\u30e2\u30ea\n        labels: ['63', '125', '250', '500', '1000', '2000', '4000', '8000'],\n        datasets: [\n          {\n            label: 'Gold',\n            data: [15.7, 17.8, 19.2, 21.4, 22.9, 27.3, 27.4, 29.4],\n            borderColor: \"#F9BB5E\",\n            backgroundColor: \"#00000000\",\n            tension: 0.4 \/\/ \u3053\u3053\u3067\u66f2\u7dda\u306e\u7de9\u3084\u304b\u3055\u3092\u8a2d\u5b9a\n          },\n          {\n            label: 'Silver',\n            data: [11.6, 13.5, 15.4, 17.4, 18.7, 24.6, 25.1, 31.4],\n            borderColor: \"#9C9C9C\",\n            backgroundColor: \"#00000000\",\n            tension: 0.4 \/\/ \u3053\u3053\u3067\u66f2\u7dda\u306e\u7de9\u3084\u304b\u3055\u3092\u8a2d\u5b9a\n          },\n          {\n            label: 'White',\n            data: [6.2, 5.6, 8.7, 10.7, 15.9, 23.6, 24.2, 29.5],\n            borderColor: \"#000000\",\n            backgroundColor: \"#00000000\",\n            tension: 0.4 \/\/ \u3053\u3053\u3067\u66f2\u7dda\u306e\u7de9\u3084\u304b\u3055\u3092\u8a2d\u5b9a\n          },\n        ],\n      },\n      options: {\n        title: {\n          display: true,\n          text: ''\n        },\n        scales: {\n          x: {\n            ticks: {\n              font: {\n                size: 15\n              }\n            },\n            title: {\n                display: true,\n                text: '\u5468\u6ce2\u6570 [Hz]',  \/\/ X\u8ef8\u306e\u30e9\u30d9\u30eb\n                font: {\n                  size: 15\n                }\n            }\n          },\n          y: {\n            min: 5,\n            max: 40,\n            ticks: {\n              font: {\n                size: 15\n              }\n            },\n            title: {\n                display: true,\n                text: '\u906e\u97f3\u6027\u80fd [dB]',  \/\/ Y\u8ef8\u306e\u30e9\u30d9\u30eb\n                font: {\n                  size: 15\n                }\n            }\n          },\n          yAxes: [{\n            ticks: {\n              suggestedMax: 40,\n              suggestedMin: 5,\n              stepSize: 10,  \/\/ \u7e26\u30e1\u30e2\u30ea\u306e\u30b9\u30c6\u30c3\u30d7\u6570\n              callback: function(value, index, values){\n                return  value +  'dB'  \/\/ \u5404\u30e1\u30e2\u30ea\u306e\u30b9\u30c6\u30c3\u30d7\u3054\u3068\u306e\u8868\u8a18\uff08value\u306f\u5404\u30b9\u30c6\u30c3\u30d7\u306e\u5024\uff09\n              }\n            }\n          }]\n        },\n        plugins: {\n          title: {\n            display: true,\n            text: 'MusicSafe Pro\u306eSNR\u5024',\n            font: {\n              size: 20\n            }\n          },\n          legend: {\n            display: true,\n            position: 'top',\n            labels: {\n              font: {\n                size: 15\n              }\n            }\n          }\n        },\n        layout: {\n          padding: {\n            top: 0,\n            right: 0,\n            bottom: 40,\n            left: 0\n          }\n        }\n      }\n    });\n    <\/script>\n\n\n\n<figure class=\"wp-block-table t-gen\"><table class=\"has-fixed-layout\"><thead><tr><th>\u5468\u6ce2\u6570<br>[Hz]<\/th><th>63<\/th><th>125<\/th><th>250<\/th><th>500<\/th><th>1000<\/th><th>2000<\/th><th>4000<\/th><th>8000<\/th><th>\u5e73\u5747<\/th><\/tr><\/thead><tbody><tr><td>Gold\u30d5\u30a3\u30eb\u30bf\u30fc\u306e<br>\u906e\u97f3\u6027\u80fd<br>[dB]<\/td><td>15.7<\/td><td>17.8<\/td><td>19.2<\/td><td>21.4<\/td><td>22.9<\/td><td>27.3<\/td><td>27.4<\/td><td>29.4<\/td><td>22.6<\/td><\/tr><tr><td>Silver\u30d5\u30a3\u30eb\u30bf\u30fc\u306e<br>\u906e\u97f3\u6027\u80fd<br>[dB]<\/td><td>11.6<\/td><td>13.5<\/td><td>15.4<\/td><td>17.4<\/td><td>18.7<\/td><td>24.6<\/td><td>25.1<\/td><td>31.4<\/td><td>19.7<\/td><\/tr><tr><td>White\u30d5\u30a3\u30eb\u30bf\u30fc\u306e<br>\u906e\u97f3\u6027\u80fd<br>[dB]<\/td><td>6.2<\/td><td>5.6<\/td><td>8.7<\/td><td>10.7<\/td><td>15.9<\/td><td>23.6<\/td><td>24.2<\/td><td>29.5<\/td><td>15.6<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n<h3 class=\"wp-block-heading\" id=\"%25e3%2581%258a%25e3%2581%2599%25e3%2581%2599%25e3%2582%2581%25e3%2583%25a9%25e3%2582%25a4%25e3%2583%2596%25e7%2594%25a8%25e8%2580%25b3%25e6%25a0%25936earlabsdaddariodbud\">\u304a\u3059\u3059\u3081\u30e9\u30a4\u30d6\u7528\u8033\u68136\uff1aEarLabs\uff08D&#8217;Addario\uff09dBud<\/h3>\n\n\t\t<div class=\"pochipp-box\"\n\t\t\tdata-id=\"4839\"\n\t\t\tdata-img=\"l\"\n\t\t\tdata-lyt-pc=\"imgbig\"\n\t\t\tdata-lyt-mb=\"vrtcl\"\n\t\t\tdata-btn-style=\"outline\"\n\t\t\tdata-btn-radius=\"off\"\n\t\t\tdata-sale-effect=\"flash\"\n\t\t\t data-cvkey=\"efa8ad89\"\t\t>\n\t\t\t\t\t\t\t<div class=\"pochipp-box__image\">\n\t\t\t\t\t<a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fjism%2F0019954365011-31-34974-n%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Fjism%2F0019954365011-31-34974-n%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/thumbnail.image.rakuten.co.jp\/@0_mall\/jism\/cabinet\/0079\/0019954365011.jpg?_ex=400x400\" alt=\"\" width=\"120\" height=\"120\" \/>\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"pochipp-box__body\">\n\t\t\t\t<div class=\"pochipp-box__title\">\n\t\t\t\t\t<a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fjism%2F0019954365011-31-34974-n%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Fjism%2F0019954365011-31-34974-n%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t\t\u30c0\u30c0\u30ea\u30aa \u30a4\u30e4\u30fc\u30d7\u30e9\u30b0 PW-DBUDHP-01 D&#8217;Addario\u3000dBud Hearing Protection 0000004119\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t\t\t<div class=\"pochipp-box__info\">Joshin web \u5bb6\u96fb\u3068PC\u306e\u5927\u578b\u5c02\u9580\u5e97<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"pochipp-box__review\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.amazon.co.jp\/product-reviews\/B09TQ7K99R?tag=kazunekoyama-22\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/blog\/wp-content\/plugins\/pochipp\/assets\/img\/review.svg\" alt=\"\" width=\"16\" height=\"16\" \/>\n\t\t\t\t\t\t\t<span>\u53e3\u30b3\u30df\u3092\u898b\u308b<\/span>\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"pochipp-box__btns\"\n\t\tdata-maxclmn-pc=\"fit\"\n\t\tdata-maxclmn-mb=\"1\"\n\t>\n\t\t\t\t\t<div class=\"pochipp-box__btnwrap -amazon\">\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.amazon.co.jp\/dp\/B09TQ7K99R?tag=kazunekoyama-22\" class=\"pochipp-box__btn\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t<span>\n\t\t\t\t\t\tAmazon\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"pochipp-box__btnwrap -rakuten\">\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fjism%2F0019954365011-31-34974-n%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Fjism%2F0019954365011-31-34974-n%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" class=\"pochipp-box__btn\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t<span>\n\t\t\t\t\t\t\u697d\u5929\u5e02\u5834\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"pochipp-box__logo\">\n\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/blog\/wp-content\/plugins\/pochipp\/assets\/img\/pochipp-logo-t1.png\" alt=\"\" width=\"32\" height=\"32\">\n\t\t\t\t\t<span>\u30dd\u30c1\u30c3\u30d7<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\n\n\n<p>\u30b9\u30a6\u30a7\u30fc\u30c7\u30f3\u306e\u8033\u6813\u30e1\u30fc\u30ab\u30fcEarLabs\uff08\u30a4\u30a2\u30e9\u30d6\u30ba\uff09\u306edBud\u3002<\/p>\n\n\n\n<p>EarLabs\u30d6\u30e9\u30f3\u30c9\u306e\u3082\u306e\u306fAmazon\u3084\u697d\u5929\u3067\u306f\u8ca9\u58f2\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u304c\u3001\u30ae\u30bf\u30fc\u306e\u5f26\u3067\u6709\u540d\u306a\u30e1\u30fc\u30ab\u30fcD&#8217;Addario\uff08\u30c0\u30c0\u30ea\u30aa\uff09\u30d6\u30e9\u30f3\u30c9\u306e\u3082\u306e\u306fAmazon\u3084\u697d\u5929\u3067\u3082\u8ca9\u58f2\u3055\u308c\u3066\u3044\u307e\u3059\uff08\u3069\u3061\u3089\u3082\u906e\u97f3\u6027\u80fd\u306f\u540c\u3058\u3067\u3059\uff09\u3002<\/p>\n\n\n\n<p><strong>\u88c5\u7740\u3057\u305f\u307e\u307e\u958b\u9589\uff08\u906e\u97f3\u3059\u308b\u91cf\u3092\u8abf\u6574\uff09\u3067\u304d\u308b\u73cd\u3057\u3044\u8033\u6813<\/strong>\u3067\u3042\u308a\u3001\u4eca\u56de\u3054\u7d39\u4ecb\u3059\u308b\u8033\u6813\u306e\u4e2d\u3067\u306f\u5168\u4f53\u7684\u306b\u6700\u3082\u906e\u97f3\u6027\u80fd\u304c\u9ad8\u3044\u3067\u3059\uff08\u9589\u3058\u305f\u72b6\u614b\u3067\u6bd4\u8f03\u3057\u3066\u3044\u307e\u3059\uff09\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u672c\u4f53\u306e\u30dc\u30bf\u30f3\u3092\u30b9\u30e9\u30a4\u30c9\u3059\u308b\u3060\u3051\u3067\u906e\u97f3\u91cf\u3092\u5909\u3048\u3089\u308c\u308b\u305f\u3081\u3001\u30e9\u30a4\u30d6\u4e2d\u306f\u9589\u3058\u3066\u304a\u304d\u3001\u8a71\u3057\u304b\u3051\u3089\u308c\u305f\u3089\u958b\u304f\u3068\u3044\u3063\u305f\u4f7f\u3044\u65b9\u3082\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u4e0a3\u3064\u306e\u8033\u6813\u3068\u6bd4\u3079\u308b\u3068\u9ad8\u4fa1\u3067\u3059\u3002<\/li>\n\n\n\n<li>\u8033\u6813\u672c\u4f53\u306b\u30de\u30b0\u30cd\u30c3\u30c8\u304c\u5185\u8535\u3055\u308c\u3066\u304a\u308a\u3001\u88c5\u7740\u3057\u3066\u3044\u306a\u3044\u6642\uff08\u30b9\u30c8\u30e9\u30c3\u30d7\u3092\u9996\u306b\u304b\u3051\u305f\u72b6\u614b\uff09\u306f\u30cd\u30c3\u30af\u30ec\u30b9\u306e\u3088\u3046\u306a\u72b6\u614b\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table t-gen\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u30e1\u30fc\u30ab\u30fc<\/td><td><img decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/img\/national_flags\/Flag_of_Sweden.svg\" height=\"15\" style=\"position:relative;top:2px\"><\/img> EarLabs\uff08\u30b9\u30a6\u30a7\u30fc\u30c7\u30f3\uff09<br><img decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/img\/national_flags\/Flag_of_the_United_States.svg\" height=\"15\" style=\"position:relative;top:2px\"><\/img> D&#8217;Addario\uff08\u30a2\u30e1\u30ea\u30ab\uff09<\/td><\/tr><tr><td>\u30a4\u30e4\u30fc\u30d4\u30fc\u30b9<\/td><td>\u30b7\u30ea\u30b3\u30f35\u7a2e\u985e\uff08XS\u3001S\u3001M\u3001L\u3001XL\uff09<br><br>* EarLabs\u7248\u306b\u306f\u8ffd\u52a0\u3067\u30e1\u30e2\u30ea\u30fc\u30d5\u30a9\u30fc\u30e03\u7a2e\u985e\uff08S\u3001M\u3001L\uff09\u304c\u4ed8\u5c5e\u3059\u308b\u3088\u3046\u3067\u3059<\/td><\/tr><tr><td>\u30d5\u30a3\u30eb\u30bf\u30fc<\/td><td>\u306a\u3057<br>\uff08\u30a4\u30e4\u30fc\u30d4\u30fc\u30b9\u81ea\u4f53\u304c\u30d5\u30a3\u30eb\u30bf\u30fc\uff09<\/td><\/tr><tr><td>\u30b9\u30c8\u30e9\u30c3\u30d7<br>\uff08\u9996\u306b\u304b\u3051\u3089\u308c\u308b\u30d2\u30e2\uff09<\/td><td><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" style=\"position:relative;top:5px;\" viewBox=\"0 0 24 24\" fill=\"#007B50\"><path d=\"M17 3.34a10 10 0 1 1 -14.995 8.984l-.005 -.324l.005 -.324a10 10 0 0 1 14.995 -8.336zm-1.293 5.953a1 1 0 0 0 -1.32 -.083l-.094 .083l-3.293 3.292l-1.293 -1.292l-.094 -.083a1 1 0 0 0 -1.403 1.403l.083 .094l2 2l.094 .083a1 1 0 0 0 1.226 0l.094 -.083l4 -4l.083 -.094a1 1 0 0 0 -.083 -1.32z\" \/><\/svg> \u4ed8\u5c5e<\/td><\/tr><tr><td>\u5c02\u7528\u30b1\u30fc\u30b9<\/td><td><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" style=\"position:relative;top:5px;\" viewBox=\"0 0 24 24\" fill=\"#007B50\"><path d=\"M17 3.34a10 10 0 1 1 -14.995 8.984l-.005 -.324l.005 -.324a10 10 0 0 1 14.995 -8.336zm-1.293 5.953a1 1 0 0 0 -1.32 -.083l-.094 .083l-3.293 3.292l-1.293 -1.292l-.094 -.083a1 1 0 0 0 -1.403 1.403l.083 .094l2 2l.094 .083a1 1 0 0 0 1.226 0l.094 -.083l4 -4l.083 -.094a1 1 0 0 0 -.083 -1.32z\" \/><\/svg> \u4ed8\u5c5e<\/td><\/tr><tr><td>\u30ab\u30e9\u30fc<\/td><td>\u30c1\u30e3\u30b3\u30fc\u30eb\u30d6\u30e9\u30c3\u30af<br><br>* EarLabs\u7248\u306b\u306f\u30c0\u30b9\u30c6\u30a3\u30d4\u30f3\u30af\u3082\u3042\u308b\u3088\u3046\u3067\u3059<\/td><\/tr><tr><td>\u906e\u97f3\u6027\u80fd\u306e\u6e2c\u5b9a\u30fb\u7b97\u51fa\u898f\u683c<\/td><td><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" style=\"position:relative;top:5px;\" viewBox=\"0 0 24 24\" fill=\"#007B50\"><path d=\"M17 3.34a10 10 0 1 1 -14.995 8.984l-.005 -.324l.005 -.324a10 10 0 0 1 14.995 -8.336zm-1.293 5.953a1 1 0 0 0 -1.32 -.083l-.094 .083l-3.293 3.292l-1.293 -1.292l-.094 -.083a1 1 0 0 0 -1.403 1.403l.083 .094l2 2l.094 .083a1 1 0 0 0 1.226 0l.094 -.083l4 -4l.083 -.094a1 1 0 0 0 -.083 -1.32z\" \/><\/svg> EN 352-2:2020<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u958b\u9589\u90e8\u3092\u9589\u3058\u305f\u72b6\u614b\u3067\u306e\u3001\u97f3\u306e\u9ad8\u3055\u3054\u3068\u306e\u906e\u97f3\u6027\u80fd\u306f\u3053\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30b0\u30e9\u30d5\u306e\u5de6\u306b\u884c\u304f\u307b\u3069\u4f4e\u3044\u97f3\u3001\u53f3\u306b\u884c\u304f\u307b\u3069\u9ad8\u3044\u97f3\u3067\u3001\u7dda\u304c\u4e0b\u306b\u3042\u308b\u307b\u3069\u906e\u97f3\u6027\u80fd\u304c\u4f4e\u304f\uff08\u3042\u307e\u308a\u97f3\u3092\u906e\u308c\u305a\uff09\u3001\u4e0a\u306b\u3042\u308b\u307b\u3069\u9ad8\u3044\uff08\u97f3\u3092\u3088\u304f\u906e\u308c\u308b\uff09\u3068\u3044\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"width:100%\" >\n      <canvas id=\"dbud\" height=\"350px\"><\/canvas>\n    <\/div>\n\n    <script>\n    var ctx = document.getElementById(\"dbud\");\n    var myLineChart = new Chart(ctx, {\n      \/\/ 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class=\"wp-block-table t-gen\"><table class=\"has-fixed-layout\"><thead><tr><th>\u5468\u6ce2\u6570<br>[Hz]<\/th><th>63<\/th><th>125<\/th><th>250<\/th><th>500<\/th><th>1000<\/th><th>2000<\/th><th>4000<\/th><th>8000<\/th><th>\u5e73\u5747<\/th><\/tr><\/thead><tbody><tr><td>\u9589\u3081\u305f\u72b6\u614b\u306e<br>\u906e\u97f3\u6027\u80fd<br>[dB]<\/td><td>23.8<\/td><td>21.4<\/td><td>21.6<\/td><td>21.0<\/td><td>24.4<\/td><td>30.7<\/td><td>28.0<\/td><td>27.5<\/td><td>24.8<\/td><\/tr><tr><td>\u958b\u3044\u305f\u72b6\u614b\u306e<br>\u906e\u97f3\u6027\u80fd<br>[dB]<\/td><td>8.4<\/td><td>5.7<\/td><td>6.9<\/td><td>7.6<\/td><td>10.5<\/td><td>18.3<\/td><td>21.8<\/td><td>21.2<\/td><td>13.1<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n<h3 class=\"wp-block-heading\" id=\"%25e3%2583%25a9%25e3%2582%25a4%25e3%2583%2596%25e7%2594%25a8%25e8%2580%25b3%25e6%25a0%2593%25e3%2581%25ae%25e6%2580%25a7%25e8%2583%25bd%25e5%258a%25b9%25e6%259e%259c%25e3%2582%2592%25e6%25af%2594%25e8%25bc%2583\">\u30e9\u30a4\u30d6\u7528\u8033\u6813\u306e\u6027\u80fd\u30fb\u52b9\u679c\u3092\u6bd4\u8f03<\/h3>\n\n\n<p>\u4e0a\u3067\u3054\u7d39\u4ecb\u3057\u305f\u30b0\u30e9\u30d5\u3092\u91cd\u306d\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<div class=\"div-notes\"><p>1\u3064\u306e\u8033\u6813\u306b\u8907\u6570\u306e\u30d5\u30a3\u30eb\u30bf\u30fc\u3084\u958b\u9589\u6a5f\u69cb\u304c\u3042\u308b\u5834\u5408\u306f\u6700\u3082\u906e\u97f3\u5024\u304c\u5927\u304d\u3044\u72b6\u614b\u306e\u30b0\u30e9\u30d5\u306e\u307f\u3092\u8f09\u305b\u3066\u3044\u307e\u3059\u3002<\/p><\/div>\n\n\n\n<p>\u30b0\u30e9\u30d5\u306e\u5de6\u306b\u884c\u304f\u307b\u3069\u4f4e\u3044\u97f3\u3001\u53f3\u306b\u884c\u304f\u307b\u3069\u9ad8\u3044\u97f3\u3067\u3001\u7dda\u304c\u4e0b\u306b\u3042\u308b\u307b\u3069\u906e\u97f3\u6027\u80fd\u304c\u4f4e\u304f\uff08\u3042\u307e\u308a\u97f3\u3092\u906e\u308c\u305a\uff09\u3001\u4e0a\u306b\u3042\u308b\u307b\u3069\u9ad8\u3044\uff08\u97f3\u3092\u3088\u304f\u906e\u308c\u308b\uff09\u3068\u3044\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3064\u307e\u308a\u3053\u306e\u7dda\u304c\u5e73\u3089\u306a\u307b\u3069\u3001\u3069\u306e\u9ad8\u3055\u306e\u97f3\u3082\u30d0\u30e9\u30f3\u30b9\u3088\u304f\u30ab\u30c3\u30c8\u3059\u308b\u3068\u3044\u3046\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"width:100%\" >\n      <canvas id=\"comparison\" height=\"350px\"><\/canvas>\n    <\/div>\n\n    <script>\n    var ctx = document.getElementById(\"comparison\");\n    var myLineChart = new Chart(ctx, {\n      \/\/ \u30b0\u30e9\u30d5\u306e\u7a2e\u985e\uff1a\u6298\u308c\u7dda\u30b0\u30e9\u30d5\u3092\u6307\u5b9a\n      type: 'line',\n      data: {\n        \/\/ x\u8ef8\u306e\u5404\u30e1\u30e2\u30ea\n        labels: ['63', '125', '250', '500', '1000', '2000', '4000', '8000'],\n        datasets: [\n          {\n            label: 'Crescendo',\n            data: [14.4, 15.1, 15.4, 17.1, 19.9, 26.9, 17.7, 29.9],\n            borderColor: \"#000000\",\n            backgroundColor: \"#00000000\",\n            tension: 0.4 \/\/ \u3053\u3053\u3067\u66f2\u7dda\u306e\u7de9\u3084\u304b\u3055\u3092\u8a2d\u5b9a\n          },\n          {\n            label: 'Quiet 2 Plus',\n            data: [26.0, 26.0, 25.6, 24.5, 24.6, 33.3, 31.6, 36.3],\n            borderColor: \"#744B98\",\n            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\"#00000000\",\n            tension: 0.4 \/\/ \u3053\u3053\u3067\u66f2\u7dda\u306e\u7de9\u3084\u304b\u3055\u3092\u8a2d\u5b9a\n          },\n          {\n            label: 'dBud (\u9589)',\n            data: [23.8, 21.4, 21.6, 21.0, 24.4, 30.7, 28.0, 27.5],\n            borderColor: \"#007BC3\",\n            backgroundColor: \"#00000000\",\n            tension: 0.4 \/\/ \u3053\u3053\u3067\u66f2\u7dda\u306e\u7de9\u3084\u304b\u3055\u3092\u8a2d\u5b9a\n          }\n        ],\n      },\n      options: {\n        title: {\n          display: true,\n          text: ''\n        },\n        scales: {\n          x: {\n            ticks: {\n              font: {\n                size: 15\n              }\n            },\n            title: {\n                display: true,\n                text: '\u5468\u6ce2\u6570 [Hz]',  \/\/ X\u8ef8\u306e\u30e9\u30d9\u30eb\n                font: {\n                  size: 15\n                }\n            }\n          },\n          y: {\n            min: 5,\n            max: 40,\n            ticks: {\n              font: {\n                size: 15\n              }\n            },\n            title: {\n                display: true,\n                text: '\u906e\u97f3\u6027\u80fd [dB]',  \/\/ Y\u8ef8\u306e\u30e9\u30d9\u30eb\n                font: {\n                  size: 15\n                }\n            }\n          },\n          yAxes: [{\n            ticks: {\n              suggestedMax: 40,\n              suggestedMin: 5,\n              stepSize: 10,  \/\/ \u7e26\u30e1\u30e2\u30ea\u306e\u30b9\u30c6\u30c3\u30d7\u6570\n              callback: function(value, index, values){\n                return  value +  'dB'  \/\/ \u5404\u30e1\u30e2\u30ea\u306e\u30b9\u30c6\u30c3\u30d7\u3054\u3068\u306e\u8868\u8a18\uff08value\u306f\u5404\u30b9\u30c6\u30c3\u30d7\u306e\u5024\uff09\n              }\n            }\n          }]\n        },\n        plugins: {\n          title: {\n            display: true,\n            text: '\u8033\u68135\u7a2e\u985e\u306eSNR\u5024',\n            font: {\n              size: 20\n            }\n          },\n          legend: {\n            display: true,\n            position: 'top',\n            labels: {\n              font: {\n                size: 15\n              }\n            }\n          }\n        },\n        layout: {\n          padding: {\n            top: 0,\n            right: 0,\n            bottom: 40,\n            left: 0\n          }\n        }\n      }\n    });\n    <\/script>\n\n\n\n<figure class=\"wp-block-table t-gen\"><table class=\"has-fixed-layout\"><thead><tr><th><\/th><th>63<\/th><th>125<\/th><th>250<\/th><th>500<\/th><th>1000<\/th><th>2000<\/th><th>4000<\/th><th>8000<\/th><th>\u5e73\u5747<\/th><\/tr><\/thead><tbody><tr><td><img decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/img\/national_flags\/Flag_of_the_Netherlands.svg\" height=\"15\" style=\"position:relative;top:2px\"><\/img> Crescendo Music 20<\/td><td>14.4<\/td><td>15.1<\/td><td>15.4<\/td><td>17.1<\/td><td>19.9<\/td><td>26.9<\/td><td>17.7<\/td><td>29.9<\/td><td>19.6<\/td><\/tr><tr><td><img decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/img\/national_flags\/Flag_of_Belgium.svg\" height=\"15\" style=\"position:relative;top:2px\"><\/img> Quiet 2 Plus<br>(Double Tips)<\/td><td>26.0<\/td><td>26.0<\/td><td>25.6<\/td><td>24.5<\/td><td>24.6<\/td><td>33.3<\/td><td>31.6<\/td><td>36.3<\/td><td>27.0<\/td><\/tr><tr><td><img decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/img\/national_flags\/Flag_of_the_United_States.svg\" height=\"15\" style=\"position:relative;top:2px\"><\/img> ER20XS<\/td><td>14.8<\/td><td>10.4<\/td><td>14.2<\/td><td>17.7<\/td><td>18.9<\/td><td>21.0<\/td><td>20.9<\/td><td>30.3<\/td><td>18.5<\/td><\/tr><tr><td><img decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/img\/national_flags\/Flag_of_Germany.svg\" height=\"15\" style=\"position:relative;top:2px\"><\/img> SoundProtex<\/td><td>21.4<\/td><td>23.6<\/td><td>22.8<\/td><td>22.7<\/td><td>25.8<\/td><td>22.8<\/td><td>15.8<\/td><td>13.5<\/td><td>21.1<\/td><\/tr><tr><td><img decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/img\/national_flags\/Flag_of_the_Netherlands.svg\" height=\"15\" style=\"position:relative;top:2px\"><\/img> MusicSafe Pro<br>(Gold)<\/td><td>15.7<\/td><td>17.8<\/td><td>19.2<\/td><td>21.4<\/td><td>22.9<\/td><td>27.3<\/td><td>27.4<\/td><td>29.4<\/td><td>22.6<\/td><\/tr><tr><td><img decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/img\/national_flags\/Flag_of_Sweden.svg\" height=\"15\" style=\"position:relative;top:2px\"><\/img> dBud<br>(\u9589\u3081\u305f\u72b6\u614b)<\/td><td>23.8<\/td><td>21.4<\/td><td>21.6<\/td><td>21.0<\/td><td>24.4<\/td><td>30.7<\/td><td>28.0<\/td><td>27.5<\/td><td>24.8<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u307e\u3068\u3081\u308b\u3068\u3001\u6b21\u306e\u3088\u3046\u306a\u9078\u3073\u65b9\u306b\u306a\u308a\u305d\u3046\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table t-gen\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u3068\u306b\u304b\u304f\u5b89\u3044\u8033\u6813\u304c\u6b32\u3057\u3044<br>\u305d\u3053\u307e\u3067\u5927\u97f3\u91cf\u306e\u30e9\u30a4\u30d6\u306b\u884c\u304b\u306a\u3044<\/td><td><a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fenisey%2F20251004051443_210%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Fenisey%2F20251004051443_210%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" rel=\"nofollow noopener\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/thumbnail.image.rakuten.co.jp\/@0_mall\/enisey\/cabinet\/r_2025022843\/20251004051443_210_1.jpg?_ex=400x400\" alt=\"\" width=\"120\" height=\"120\" \/><\/a><br><img decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/img\/national_flags\/Flag_of_the_Netherlands.svg\" height=\"15\" style=\"position:relative;top:2px\"><\/img> Crescendo Music 20<\/td><\/tr><tr><td>\u906e\u97f3\u6027\u3068\u30d5\u30a1\u30c3\u30b7\u30e7\u30f3\u6027\u3001<br>\u30b3\u30b9\u30c8\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u91cd\u8996\u3057\u305f\u3044<\/td><td><a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Floopjapan%2Fen-qt-2%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Floopjapan%2Fen-qt-2%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" rel=\"nofollow noopener\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/m.media-amazon.com\/images\/I\/51t0B9HHobL._SL400_.jpg\" alt=\"\" width=\"120\" height=\"120\" \/><\/a><br><img decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/img\/national_flags\/Flag_of_Belgium.svg\" height=\"15\" style=\"position:relative;top:2px\"><\/img> Loop Quiet 2<br><a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fsearch.rakuten.co.jp%2Fsearch%2Fmall%2Floop%2520quiet%25202%2520plus&#038;m=https%3A%2F%2Fsearch.rakuten.co.jp%2Fsearch%2Fmall%2Floop%2520quiet%25202%2520plus\" rel=\"nofollow noopener\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/m.media-amazon.com\/images\/I\/513nlUiNWFL._SL400_.jpg\" alt=\"\" width=\"120\" height=\"120\" \/><\/a><br><img decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/img\/national_flags\/Flag_of_Belgium.svg\" height=\"15\" style=\"position:relative;top:2px\"><\/img> Loop Quiet 2 Plus<\/td><\/tr><tr><td>\u4f4e\u97f3\u306e\u8feb\u529b\u3092\u697d\u3057\u307f\u305f\u3044<\/td><td><a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fr-kojima%2F0846430000223%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Fr-kojima%2F0846430000223%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" rel=\"nofollow noopener\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/thumbnail.image.rakuten.co.jp\/@0_mall\/r-kojima\/cabinet\/n0000001277\/0846430000223_1.jpg?_ex=400x400\" alt=\"\" width=\"120\" height=\"120\" \/><\/a><br><img decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/img\/national_flags\/Flag_of_the_United_States.svg\" height=\"15\" style=\"position:relative;top:2px\"><\/img> Etymotic Research ER20<br><br><a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fshimamuragakki%2Fpd0006793%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Fshimamuragakki%2Fpd0006793%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" rel=\"nofollow noopener\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/thumbnail.image.rakuten.co.jp\/@0_mall\/shimamuragakki\/cabinet\/pd00067\/pd0006793.jpg?_ex=400x400\" alt=\"\" width=\"120\" height=\"120\" \/><\/a><br><img decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/img\/national_flags\/Flag_of_the_United_States.svg\" height=\"15\" style=\"position:relative;top:2px\"><\/img> Etymotic Research ER20XS<\/td><\/tr><tr><td>\u9ad8\u97f3\u306e\u30cb\u30e5\u30a2\u30f3\u30b9\u3092\u6b8b\u3057\u305f\u3044<\/td><td><a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fsennheiser-hearing%2Fsoundprotex%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Fsennheiser-hearing%2Fsoundprotex%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" rel=\"nofollow noopener\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/thumbnail.image.rakuten.co.jp\/@0_mall\/sennheiser-hearing\/cabinet\/soundprotex\/s.jpg?_ex=400x400\" alt=\"\" width=\"120\" height=\"120\" \/><\/a><br><img decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/img\/national_flags\/Flag_of_Germany.svg\" height=\"15\" style=\"position:relative;top:2px\"><\/img> Sennheiser SoundProtex<\/td><\/tr><tr><td>\u4f4e\u97f3\u306e\u8feb\u529b\u3092\u697d\u3057\u307f\u305f\u3044\u304c\u3001<br>\u97f3\u306e\u30d0\u30e9\u30f3\u30b9\u3082\u8003\u3048\u305f\u3044<\/td><td><a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fcycleconnection%2Fs-b07s7dmxg5-20250722%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Fcycleconnection%2Fs-b07s7dmxg5-20250722%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" rel=\"nofollow noopener\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/thumbnail.image.rakuten.co.jp\/@0_mall\/cycleconnection\/cabinet\/n20250515080324\/b07s7dmxg5-1.jpg?_ex=400x400\" alt=\"\" width=\"120\" height=\"120\" \/><\/a><br><img decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/img\/national_flags\/Flag_of_the_Netherlands.svg\" height=\"15\" style=\"position:relative;top:2px\"><\/img> Alpine MusicSafe Pro<\/td><\/tr><tr><td>\u9ad8\u4fa1\u3067\u3082\u5229\u4fbf\u6027\u3068\u906e\u97f3\u6027\u3001<br>\u97f3\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u91cd\u8996\u3057\u305f\u3044<\/td><td><a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/1210fd99.bc984c36.1210fd9a.009bdae2\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fjism%2F0019954365011-31-34974-n%2F%3Frafcid%3Dwsc_i_is_1025462071223128350&#038;m=https%3A%2F%2Fitem.rakuten.co.jp%2Fjism%2F0019954365011-31-34974-n%2F%3Frafcid%3Dwsc_i_is_1025462071223128350\" rel=\"nofollow noopener\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/thumbnail.image.rakuten.co.jp\/@0_mall\/jism\/cabinet\/0079\/0019954365011.jpg?_ex=400x400\" alt=\"\" width=\"120\" height=\"120\" \/><\/a><br><img decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/img\/national_flags\/Flag_of_Sweden.svg\" height=\"15\" style=\"position:relative;top:2px\"><\/img> EarLabs (<img decoding=\"async\" src=\"https:\/\/kazunekoyama.com\/img\/national_flags\/Flag_of_the_United_States.svg\" height=\"15\" style=\"position:relative;top:2px\"><\/img> D&#8217;Addario) dBud<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u78ba\u304b\u306b\u906e\u97f3\u6027\u80fd\u304c\u9ad8\u3051\u308c\u3070\u9ad8\u3044\u307b\u3069\u8033\u306b\u3068\u3063\u3066\u306f\u512a\u3057\u3044\u3067\u3059\u304c\u3001\u97f3\u697d\u95a2\u4fc2\u8005\u3084\u97f3\u697d\u597d\u304d\u306e\u65b9\u306b\u3068\u3063\u3066\u306f\u7d30\u304b\u3044\u97f3\u306e\u30cb\u30e5\u30a2\u30f3\u30b9\u3084\u8feb\u529b\u3092\u72a0\u7272\u306b\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u4e00\u6982\u306b\u906e\u97f3\u6027\u80fd\u304c\u9ad8\u3044\u3082\u306e\u3060\u3051\u304c\u304a\u3059\u3059\u3081\u3068\u306f\u8a00\u3048\u305a\u3001\u3069\u306e\u7a0b\u5ea6\u306e\u906e\u97f3\u6027\u3092\u6c42\u3081\u308b\u304b\u3067\u9078\u3076\u8033\u6813\u304c\u5909\u308f\u3063\u3066\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u307e\u305f\u3001\u88c5\u7740\u611f\u3082\u8033\u6813\u306b\u3088\u3063\u3066\u30fb\u305d\u308c\u305e\u308c\u306e\u8033\u306e\u5f62\u306b\u3088\u3063\u3066\u5909\u308f\u3063\u3066\u304f\u308b\u305f\u3081\u3001\u3053\u308c\u3070\u304b\u308a\u306f\u4f7f\u3063\u3066\u307f\u306a\u3044\u3068\u4f55\u3068\u3082\u8a00\u3048\u307e\u305b\u3093\u3002<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"%25e9%2595%25b7%25e6%2599%2582%25e9%2596%2593%25e3%2581%25a7%25e3%2582%2582%25e7%2596%25b2%25e3%2582%258c%25e3%2581%25aa%25e3%2581%2584%25e3%2583%2597%25e3%2583%25ad%25e5%2590%2591%25e3%2581%2591%25e3%2581%25ae%25e3%2583%25a9%25e3%2582%25a4%25e3%2583%2596%25e7%2594%25a8%25e8%2580%25b3%25e6%25a0%2593\">\u9577\u6642\u9593\u3067\u3082\u75b2\u308c\u306a\u3044\u30d7\u30ed\u5411\u3051\u306e\u30e9\u30a4\u30d6\u7528\u8033\u6813<\/h2>\n\n\n<p>\u7b46\u8005\u306f\u4e0a\u3067\u3054\u7d39\u4ecb\u3057\u305fER20\u3092\u8cb7\u3063\u3066\u3057\u3070\u3089\u304f\u3057\u3066\u304b\u3089\u3001\u30a2\u30e1\u30ea\u30ab\u30fb\u30a4\u30ea\u30ce\u30a4\u5dde\u306b\u3042\u308b\u30a4\u30e4\u30fc\u30e2\u30cb\u30bf\u30fc\u30e1\u30fc\u30ab\u30fcSensaphonics\uff08\u30bb\u30f3\u30b5\u30d5\u30a9\u30cb\u30af\u30b9\uff09\u306e<a href=\"http:\/\/www.sensaphonics.jp\/lineup\/earplugs.html\">Musician&#8217;s Ear Plugs<\/a>\u3092\u4f7f\u3046\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"394\" src=\"https:\/\/kazunekoyama.com\/blog\/wp-content\/uploads\/2011\/01\/APC_0507-1-700x394.jpg\" alt=\"\" class=\"wp-image-4780\" srcset=\"https:\/\/kazunekoyama.com\/blog\/wp-content\/uploads\/2011\/01\/APC_0507-1-700x394.jpg 700w, https:\/\/kazunekoyama.com\/blog\/wp-content\/uploads\/2011\/01\/APC_0507-1-300x169.jpg 300w, https:\/\/kazunekoyama.com\/blog\/wp-content\/uploads\/2011\/01\/APC_0507-1-768x432.jpg 768w, https:\/\/kazunekoyama.com\/blog\/wp-content\/uploads\/2011\/01\/APC_0507-1-1536x864.jpg 1536w, https:\/\/kazunekoyama.com\/blog\/wp-content\/uploads\/2011\/01\/APC_0507-1-2048x1152.jpg 2048w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\">Sensaphonics Musician&#8217;s Ear Plugs<\/figcaption><\/figure>\n\n\n\n<p>\u3053\u306eMusician&#8217;s Ear Plugs\u306f\u88dc\u8074\u5668\u5e97\u306a\u3069\u3067\u8033\u578b\u3092\u63a1\u3063\u3066\u4f5c\u308b\u30aa\u30fc\u30c0\u30fc\u30e1\u30a4\u30c9\u306e\u30e9\u30a4\u30d6\u7528\u8033\u6813\uff08\u65e5\u672c\u3067\u3082\u8033\u578b\u3092\u63a1\u3063\u3066\u6ce8\u6587\u3067\u304d\u307e\u3059\uff09\u3067\u3001\u97f3\u306e\u30d0\u30e9\u30f3\u30b9\u306f\u307b\u3068\u3093\u3069\u5909\u3048\u305a\u306b\u97f3\u91cf\u3060\u3051\u4e0b\u3052\u3066\u304f\u308c\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u81ea\u5206\u306e\u8033\u5c02\u7528\u306b\u4f5c\u3089\u308c\u3066\u3044\u308b\u305f\u3081\u9577\u6642\u9593\u3064\u3051\u3066\u3044\u3066\u3082\u8033\u304c\u75db\u304f\u306a\u308a\u306b\u304f\u304f\u91cd\u5b9d\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>9dB\u30fb15dB\u30fb25dB\u30ab\u30c3\u30c8\u306e\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u305d\u308c\u305e\u308c\u5de6\u53f3\u5225\u306b\u9078\u3079\u308b\u306e\u3067\u3001\u4f8b\u3048\u3070\u30f4\u30a1\u30a4\u30aa\u30ea\u30cb\u30b9\u30c8\u306f\u5de6\u8033\u7528\u309215dB\u30ab\u30c3\u30c8\u3001\u53f3\u8033\u7528\u30929dB\u30ab\u30c3\u30c8\u3068\u3044\u3046\u3088\u3046\u306b\u30a2\u30ec\u30f3\u30b8\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5c11\u3057\u5024\u6bb5\u306f\u5f35\u308a\u307e\u3059\u304c\u3001\u4e00\u751f\u8033\u3092\u5b88\u308c\u308b\u3068\u601d\u3048\u3070\u5b89\u3044\u3082\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u307e\u305f\u3001\u3053\u306e\u8033\u6813\u306f\u808c\u8272\u306b\u8fd1\u3044\u8272\u3092\u3057\u3066\u3044\u3066\u8033\u306b\u3059\u3063\u307d\u308a\u57cb\u307e\u308b\u305f\u3081\u3001\u53e3\u3092\u5927\u304d\u304f\u52d5\u304b\u3057\u3066\u3082\u305a\u308c\u308b\u3053\u3068\u304c\u306a\u304f\u3001\u88c5\u7740\u3057\u3066\u3044\u3066\u3082\u5916\u304b\u3089\u306f\u307b\u3068\u3093\u3069\u5206\u304b\u308a\u307e\u305b\u3093\u3002\u5199\u771f\u6620\u308a\u3092\u6c17\u306b\u3057\u306a\u304f\u3066\u3082\u5927\u4e08\u592b\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u305f\u3060\u3057\u4e0a\u3067\u3054\u7d39\u4ecb\u3057\u305f\u8033\u6813\u306e\u3088\u3046\u306b\u9996\u304b\u3089\u304b\u3051\u3089\u308c\u308b\u30d2\u30e2\u306f\u4ed8\u3051\u3089\u308c\u306a\u3044\u305f\u3081\u3001\u7740\u8131\u306e\u591a\u3044\u73fe\u5834\u3084\u3055\u307b\u3069\u906e\u97f3\u306e\u5fc5\u8981\u306a\u3044\u5834\u9762\u3067\u306fER20\u3092\u4f7f\u3046\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"%25e6%2589%258b%25e9%2581%2585%25e3%2582%258c%25e3%2581%25ab%25e3%2581%25aa%25e3%2582%2589%25e3%2581%25aa%25e3%2581%2584%25e3%2581%2586%25e3%2581%25a1%25e3%2581%25ab%25e3%2581%25a9%25e3%2581%2586%25e3%2581%258b%25e8%2580%25b3%25e6%25a0%2593%25e3%2582%2592\">\u624b\u9045\u308c\u306b\u306a\u3089\u306a\u3044\u3046\u3061\u306b\u3069\u3046\u304b\u8033\u6813\u3092<\/h2>\n\n\n<p>\u76ee\u306f\u9589\u3058\u3089\u308c\u3066\u3082\u3001\u8033\u306f\u9589\u3058\u3089\u308c\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u76ee\u3092\u305d\u3080\u3051\u308c\u3070\u898b\u3048\u306a\u304f\u306a\u308a\u307e\u3059\u304c\u3001\u8033\u3092\u305d\u3080\u3051\u3066\u3082\u97f3\u306f\u8033\u306b\u5165\u3063\u3066\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3068\u306a\u308c\u3070\u3001\u8033\u306f\u81ea\u5206\u3067\u5b88\u308b\u3057\u304b\u3042\u308a\u307e\u305b\u3093\u3002\u624b\u9045\u308c\u306b\u306a\u3089\u306a\u3044\u3046\u3061\u306b\u3002<\/p>\n\n\n\n<p>\u97f3\u697d\u306b\u95a2\u308f\u308a\u3001\u97f3\u697d\u3092\u611b\u3059\u308b\u3059\u3079\u3066\u306e\u65b9\u3078\u3002<\/p>\n\n\n\n<p>\u8033\u6813\u3092\u5f37\u304f\u304a\u3059\u3059\u3081\u3057\u307e\u3059\u3002<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"%25e5%258f%2582%25e8%2580%2583%25e6%2596%2587%25e7%258c%25ae%25e5%2587%25ba%25e5%2585%25b8\">\u53c2\u8003\u6587\u732e\u30fb\u51fa\u5178<\/h2>\n\n<ol class=\"wp-block-footnotes\"><li id=\"973904fe-21b1-4d6e-8928-4320e799078f\">\u548c\u7530\u54f2\u90ce\u3001\u9a12\u97f3\u6027\u96e3\u8074\u306e\u6700\u8fd1\u306e\u77e5\u898b (\u75ab\u5b66, \u57fa\u790e\u306a\u3069) \u65e5\u672c\u8033\u9f3b\u54bd\u5589\u79d1\u5b66\u4f1a\u4f1a\u5831 2017\u5e74 120\u5dfb 3\u53f7 p.252-253, doi:10.3950\/jibiinkoka.120.252 <a href=\"#973904fe-21b1-4d6e-8928-4320e799078f-link\" aria-label=\"\u811a\u6ce8\u53c2\u71671\u306b\u30b8\u30e3\u30f3\u30d7\">\u21a9\ufe0e<\/a><\/li><li id=\"78a8629f-bd83-4bac-b47a-2721d4dc5ca4\">\u548c\u7530\u54f2\u90ce\u3001\u539f\u6643\uff1a\u8077\u57df\u306b\u751f\u304b\u3059\u8033\u9f3b\u54bd\u5589\u79d1\u306e\u6700\u65b0\u77e5\u8b58 \u9a12\u97f3\u6027\u96e3\u8074\u2460 \u6b74\u53f2\u3068\u533b\u5b66\u7684\u30fb\u793e\u4f1a\u7684\u80cc\u666f \u7523\u696d\u533b\u5b66\u30b8\u30e3\u30fc\u30ca\u30eb Vol.38 No.6 2015 <a href=\"#78a8629f-bd83-4bac-b47a-2721d4dc5ca4-link\" aria-label=\"\u811a\u6ce8\u53c2\u71672\u306b\u30b8\u30e3\u30f3\u30d7\">\u21a9\ufe0e<\/a><\/li><li id=\"20584a48-22a5-4a0c-92d5-b0e56d9cf1ff\"><a href=\"https:\/\/www.who.int\/europe\/publications\/i\/item\/9789289053563\" data-type=\"link\" data-id=\"https:\/\/www.who.int\/europe\/publications\/i\/item\/9789289053563\">WHO Environmental noise guidelines for the European Region<\/a>,<br>section 3.5, Recommendation for leisure noise exposure. Copenhagen:<br>World Health Organization; 2018 <a href=\"#20584a48-22a5-4a0c-92d5-b0e56d9cf1ff-link\" aria-label=\"\u811a\u6ce8\u53c2\u71673\u306b\u30b8\u30e3\u30f3\u30d7\">\u21a9\ufe0e<\/a><\/li><li id=\"53b3cb3a-c33f-4097-8fcc-867d84bd351a\"><a href=\"http:\/\/www.cdc.gov\/niosh\/docs\/98-126\/\" data-type=\"link\" data-id=\"http:\/\/www.cdc.gov\/niosh\/docs\/98-126\/\">NIOSH [1998]. Criteria for a recommended standard: occupational noise exposure<\/a>. DHHS (NIOSH) Publication Number 98-126.\u00a0 <a href=\"#53b3cb3a-c33f-4097-8fcc-867d84bd351a-link\" aria-label=\"\u811a\u6ce8\u53c2\u71674\u306b\u30b8\u30e3\u30f3\u30d7\">\u21a9\ufe0e<\/a><\/li><li id=\"213f5b40-3f93-4dea-8959-c6211cadd5f1\"><a href=\"http:\/\/eur-lex.europa.eu\/smartapi\/cgi\/sga_doc?smartapi!celexplus!prod!DocNumber&amp;lg=en&amp;type_doc=Directive&amp;an_doc=2003&amp;nu_doc=10\">Directive 2003\/10\/EC<\/a> of the European Parliament and of the Council of 6 February 2003 on the minimum health and safety requirements regarding the exposure of workers to the risks arising from physical agents (noise) <a href=\"#213f5b40-3f93-4dea-8959-c6211cadd5f1-link\" aria-label=\"\u811a\u6ce8\u53c2\u71675\u306b\u30b8\u30e3\u30f3\u30d7\">\u21a9\ufe0e<\/a><\/li><li id=\"c201f14a-c20b-49cf-a297-ba0b773807c2\"><a href=\"https:\/\/ntnuopen.ntnu.no\/ntnu-xmlui\/handle\/11250\/2823487?locale-attribute=en\" data-type=\"link\" data-id=\"https:\/\/ntnuopen.ntnu.no\/ntnu-xmlui\/handle\/11250\/2823487?locale-attribute=en\">Analysis of measurements from Norwegian venues for amplified music<\/a>, section 5.2. Morten Andreas Edvardsen, Norwegian University of Science and Technology <a href=\"#c201f14a-c20b-49cf-a297-ba0b773807c2-link\" aria-label=\"\u811a\u6ce8\u53c2\u71676\u306b\u30b8\u30e3\u30f3\u30d7\">\u21a9\ufe0e<\/a><\/li><\/ol>\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u304a\u3059\u3059\u3081\u306e\u30e9\u30a4\u30d6\u7528\u8033\u6813\u3092\u3001\u97f3\u697d\u5bb6\u306e\u76ee\u7dda\u304b\u3089\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002\u30b3\u30f3\u30b5\u30fc\u30c8\u3001\u30b9\u30bf\u30b8\u30aa\u3001\u30d0\u30f3\u30c9\u306a\u3069\u306b\u3002 \u30e9\u30a4\u30d6\u7528\u8033\u6813\u306f\u52b9\u679c\u304c\u3042\u308b\u304b\u3001\u30e9\u30a4\u30d6\u7528\u8033\u6813\u306f\u5931\u793c\u304b\u3069\u3046\u304b\u3001\u5b50\u4f9b\u7528\u306e\u30e9\u30a4\u30d6\u7528\u8033\u6813\u304c\u3042\u308b\u304b\u3069\u3046\u304b\u306b\u3064\u3044\u3066\u3082\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"author":2,"featured_media":4638,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"[{\"content\":\"\u548c\u7530\u54f2\u90ce\u3001\u9a12\u97f3\u6027\u96e3\u8074\u306e\u6700\u8fd1\u306e\u77e5\u898b (\u75ab\u5b66, \u57fa\u790e\u306a\u3069) \u65e5\u672c\u8033\u9f3b\u54bd\u5589\u79d1\u5b66\u4f1a\u4f1a\u5831 2017\u5e74 120\u5dfb 3\u53f7 p.252-253, doi:10.3950\/jibiinkoka.120.252\",\"id\":\"973904fe-21b1-4d6e-8928-4320e799078f\"},{\"content\":\"\u548c\u7530\u54f2\u90ce\u3001\u539f\u6643\uff1a\u8077\u57df\u306b\u751f\u304b\u3059\u8033\u9f3b\u54bd\u5589\u79d1\u306e\u6700\u65b0\u77e5\u8b58 \u9a12\u97f3\u6027\u96e3\u8074\u2460 \u6b74\u53f2\u3068\u533b\u5b66\u7684\u30fb\u793e\u4f1a\u7684\u80cc\u666f \u7523\u696d\u533b\u5b66\u30b8\u30e3\u30fc\u30ca\u30eb Vol.38 No.6 2015\",\"id\":\"78a8629f-bd83-4bac-b47a-2721d4dc5ca4\"},{\"content\":\"<a href=\\\"https:\/\/www.who.int\/europe\/publications\/i\/item\/9789289053563\\\" data-type=\\\"link\\\" data-id=\\\"https:\/\/www.who.int\/europe\/publications\/i\/item\/9789289053563\\\">WHO Environmental noise guidelines for the European Region<\/a>,<br>section 3.5, Recommendation for leisure noise exposure. Copenhagen:<br>World Health Organization; 2018\",\"id\":\"20584a48-22a5-4a0c-92d5-b0e56d9cf1ff\"},{\"content\":\"<a href=\\\"http:\/\/www.cdc.gov\/niosh\/docs\/98-126\/\\\" data-type=\\\"link\\\" data-id=\\\"http:\/\/www.cdc.gov\/niosh\/docs\/98-126\/\\\">NIOSH [1998]. Criteria for a recommended standard: occupational noise exposure<\/a>. DHHS (NIOSH) Publication Number 98-126.\u00a0\",\"id\":\"53b3cb3a-c33f-4097-8fcc-867d84bd351a\"},{\"content\":\"<a href=\\\"http:\/\/eur-lex.europa.eu\/smartapi\/cgi\/sga_doc?smartapi!celexplus!prod!DocNumber&amp;lg=en&amp;type_doc=Directive&amp;an_doc=2003&amp;nu_doc=10\\\">Directive 2003\/10\/EC<\/a> of the European Parliament and of the Council of 6 February 2003 on the minimum health and safety requirements regarding the exposure of workers to the risks arising from physical agents (noise)\",\"id\":\"213f5b40-3f93-4dea-8959-c6211cadd5f1\"},{\"content\":\"<a href=\\\"https:\/\/ntnuopen.ntnu.no\/ntnu-xmlui\/handle\/11250\/2823487?locale-attribute=en\\\" data-type=\\\"link\\\" data-id=\\\"https:\/\/ntnuopen.ntnu.no\/ntnu-xmlui\/handle\/11250\/2823487?locale-attribute=en\\\">Analysis of measurements from Norwegian venues for amplified music<\/a>, section 5.2. Morten Andreas Edvardsen, Norwegian University of Science and Technology\",\"id\":\"c201f14a-c20b-49cf-a297-ba0b773807c2\"}]"},"categories":[78],"tags":[56,55,44,33,34,30,35],"class_list":["post-53","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-compared","tag-live-concert","tag-performance","tag-ears","tag-earplugs","tag-sound","tag-music","tag-noise"],"_links":{"self":[{"href":"https:\/\/kazunekoyama.com\/blog\/wp-json\/wp\/v2\/posts\/53","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kazunekoyama.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kazunekoyama.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kazunekoyama.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/kazunekoyama.com\/blog\/wp-json\/wp\/v2\/comments?post=53"}],"version-history":[{"count":308,"href":"https:\/\/kazunekoyama.com\/blog\/wp-json\/wp\/v2\/posts\/53\/revisions"}],"predecessor-version":[{"id":5287,"href":"https:\/\/kazunekoyama.com\/blog\/wp-json\/wp\/v2\/posts\/53\/revisions\/5287"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kazunekoyama.com\/blog\/wp-json\/wp\/v2\/media\/4638"}],"wp:attachment":[{"href":"https:\/\/kazunekoyama.com\/blog\/wp-json\/wp\/v2\/media?parent=53"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kazunekoyama.com\/blog\/wp-json\/wp\/v2\/categories?post=53"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kazunekoyama.com\/blog\/wp-json\/wp\/v2\/tags?post=53"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}