Unverified85% confidenceTradeoffTime unknown
低音下潜与体积成正比，360°发声或被动辐射器设计能在小体积下增强低频，纯单向喇叭的口袋音箱低音必然薄弱
1
Sources
85%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified追求低频下潜和外放音量应选带被动辐射器（无源振膜）或双单元的音箱，单一小尺寸全频单元在低音表现和大音量下失真明显91% similarUnverified小型音箱单元口径普遍在40-50mm，缺乏独立低音单元时低频下潜有限，被动辐射器（无源振膜）设计可在小体积内改善低频厚度，比纯单扬声器方案更适合听流行乐90% similarUnverified低频下潜（频响下限40Hz以下）带来强劲低音但需要更大腔体和功率，小体积便携音箱低频普遍在60-80Hz起，喜欢重低音者别买超小巧款89% similarUnverified迷你音箱因腔体容积受限，60mm以下单元几乎无法还原50Hz以下低频，追求低频下潜的应选择带被动辐射器（无源振膜）设计的型号，可在小体积下提升低频量感89% similarUnverified音箱扬声器口径≥2.5英寸+独立低音单元才有明显低频下潜，单全频喇叭的机型听流行/古典明显发闷88% similar
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