Unverified87% confidenceDecision RuleTime unknown
降噪效果与佩戴密封性强相关：入耳式Pro 2需用配套三/四种硅胶耳塞做密封性测试选对尺寸，尺寸不对降噪和低音都会大幅衰减
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87%
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Unverified入耳式降噪耳机对耳道密封度依赖极高，耳塞尺寸不匹配会导致降噪和低频严重损失，购买后必须试戴至少3种硅胶套并做贴合测试91% similarUnverified被动隔音效果取决于耳塞套材质与贴合度：泡沫记忆棉套隔音比硅胶套高约3-5dB，但闷热易脏；实际购买后应更换3种尺寸耳塞套测试密封，密封不良会同时导致隔音差和低频严重衰减90% similarUnverified硅胶耳塞尺寸和贴合度对降噪效果影响极大，购买后务必逐一试戴附带的不同尺寸耳塞，必要时更换第三方泡棉耳塞以获得最佳密封和舒适度89% similarUnverified降噪强度与佩戴舒适度冲突：入耳式深降噪需要密封性强的硅胶塞，长时间佩戴易产生耳道胀痛和听诊器效应；耳道敏感者应选半入耳但会损失降噪效果87% similar
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