是一款多用途两分频全频扬声器，高频驱动单元是一个频响宽广平滑的。
F15 + is a multi-purpose two full range speaker frequency, high frequency driver is a smooth, wide frequency response.
是一款多用途两分频全频扬声器，高频驱动单元是一个频响宽广平滑的。
F15 + is a multi-purpose two full range speaker frequency, high frequency driver is a smooth, wide frequency response.
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