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http://www.brother-audio.com/product/55.html器单元组成 低频：18”×1 频率响应 35Hz-125Hz/±3dB；25Hz-170Hz/-10dB 功率(连续...
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http://www.brother-audio.com/product/165.html分频扬声器，前置低频反射孔频率响应：90Hz – 17kHz，±3dB；-10dB @ 65Hz驱动器：5.25” / 1”耐高温音圈，经涂层处理的...
http://www.brother-audio.com/product/160.html声器，前置低频反射孔● 频率响应：98Hz – 17kHz，±3dB；-10dB @ 70Hz● 驱动器：4” / 1”耐高温音圈，经涂层处理的...
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