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- ETYMOTIC RESEARCH社より、イヤープラグ「ER-20」新登場
-
ETYMOTIC RESEARCH社より、イヤープラグ「ER-20」新登場
2005/05/09
■ETYMOTIC RESEARCH 「ER20」シリーズ一覧
■「ER20」シリーズ用コード
「ER-20」は騒音の大きな環境で、誰でもすぐに装着できるように研究、開発されたイヤープラグです。目標としたものは、ミュージシャンが使用する音質に影響を与えずに音量を下げるイヤープラグでした。その結果ER-20は声や音楽の音質を損なうことなく全ての周波数帯域において、約20db減衰させることに成功しました。ミュージシャンをはじめ、飛行機の中、工事現場、ナイトクラブ、モータースポーツ、医療の現場など、音の大きな場所であればどこでもOK。カラーは全部で6色。
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