Unverified85% confidenceTradeoffTime unknown
慢回弹海绵（PU/PVC泡棉）隔音效果最好但需搓细塞入耳道，卫生差不可水洗；硅胶塞可反复清洗但对低频隔音弱2-4dB；蜡质塞贴合封堵好、适合游泳防水但闷热
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85%
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Long-term
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Unverified海绵（PU慢回弹）耳塞隔音最强且贴合度高，但易吸汗吸菌、寿命短（约用2-4周需更换）；硅胶耳塞可水洗重复使用但隔音略弱；蜡质耳塞塑形贴合适合游泳但不适合长时间佩戴87% similarUnverified蜡质/硅胶软泥耳塞通过覆盖耳道口而非塞入密封，适合耳道敏感者和游泳防水，但对高频噪音（人声、键盘声）效果弱于泡棉84% similarUnverified游泳/洗澡防水选蜡质或硅胶耳塞，蜡质可捏形贴合外耳道口防水但不深入耳道，硅胶柔性材质更适合反复取戴83% similarUnverified海绵耳塞降噪更高但需搓捏后塞入、吸汗易脏一般用3-5次即弃；硅胶耳塞可水洗复用数月但降噪略低，长期通勤选硅胶更划算83% similarUnverified游泳/防水场景不要用海绵塞（吸水失效且霉变），应选实心硅胶或蜡质耳塞；蜡质塞对不规则耳道封水效果最好83% similar
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