扬声器清洁器

使用本应用程序可在 0 到 25 kHz 的不同频率下测试您的手机扬声器。此外，当设备声音变弱时，本应用程序中的频率发生器还可清洁扬声器中的灰尘颗粒和水。
主要功能：
• 生成 0 Hz 到超声波 25 kHz 的音调；
• 扬声器测试和清理有手动和自动模式；
• 扬声器立体声测试。
要获得最佳结果：
• 将设备正面朝下。
• 将音量调到最大。
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