Unverified95% confidenceFactTime unknown

NRR 32dB是泡棉耳塞中的最高等级之一，适合对隔音要求极高的场景如打鼾伴侣旁入睡或高噪音环境

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95%

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Related Entities

Mack's Ultra Soft 超软泡棉耳塞product_sku 助眠耳塞category

Related Claims

Unverified睡眠隔绝打鼾（低频噪音）应选NRR≥32dB的慢回弹泡棉耳塞，硅胶耳塞对低频衰减普遍不足，标称NRR多在22-27dB83% similar UnverifiedNRR≥30dB或SNR≥35dB才适合睡眠时隔绝鼾声、马路噪音；NRR 22-28dB适合通勤、飞机、图书馆等中等噪音场景82% similar

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