[KongchangAI]
Unverified83% confidenceDecision RuleTime unknown

频响标注要看正负偏差范围(如±3dB),只写40Hz-20kHz不写dB容差的参数没有参考意义;中场应做到低频延伸≤40Hz(±3dB)才体现相对近场的优势

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