Unverified85% confidenceCautionTime unknown
灵敏度极高(≥110dB/mW)的入耳式动铁耳机不建议搭配大推力耳放,本底噪声会被放大产生明显底噪电流声,应选低增益或高灵敏度专用小尾巴
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Unverified选购便携耳放前先确认底噪:高灵敏度入耳耳塞(如多单元动铁)搭配大功率耳放易出现明显嘶嘶底噪,应选专为IEM设计的低输出阻抗(<1Ω)低增益机型90% similarUnverified搭配高灵敏度多单元动铁入耳(灵敏度≥110dB)应关注底噪而非推力,优选低输出阻抗(<1Ω)且带增益档位可调的DAP,否则会有明显电流声和频响畸变89% similarUnverified灵敏度高的低阻入耳(如8Ω/110dB多单元动铁)优先看底噪而非功率:选输出阻抗<1Ω且高增益档不啸叫的设备,否则电流声明显;这类耳机大功率台机反而容易过推失控89% similarUnverified只听IEM入耳耳塞(16-64Ω低阻)优先选低底噪机型,输出阻抗应<1Ω,否则多单元动铁的频响会因阻尼失配而畸变,此时驱动力大小不重要89% similarUnverified搭配高灵敏度多单元动铁耳塞(灵敏度≥110dB)时应关注底噪,选择输出阻抗<1Ω的机型,否则易出现电流声和频响曲线偏移89% similar
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