Unverified82% confidenceTradeoffTime unknown
功率越大低频储备越足但底噪也可能越明显，近场5寸箱单只50-80W已足够，盲目追求百瓦以上在小房间无意义
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82%
Confidence
Long-term
Relevance
-
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Unverified小户型（客厅＜20㎡）不建议上7.1.4大型系统，声道过多在近距离下反而声场混乱、定位重叠，且大功率无法开到额定音量，浪费性能83% similarUnverified书架箱灵敏度低于85dB时，需搭配输出功率≥50W/声道的功放才能推出足够声压，否则大动态时会明显发闷82% similarUnverified室外开阔环境无墙壁反射声音扩散快，需20W以上功率才能形成足够声压；室内5-10W即可，室外买室内功率音箱会明显觉得音量不够82% similarUnverified灵敏度≥88dB的音箱易被小功率功放推响，灵敏度<85dB的音箱（多为低阻高解析款）需更大功率储备，小房间近场监听可接受较低灵敏度换取解析力81% similarUnverified有源中场功率看分频段总和：低频单元建议≥150W、高频≥50W（双功放/三功放Bi-amp），单声道总功率＜200W在大空间会在高声压时压缩失真81% similar
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