Universal Car Subwoofer 30W Hi-Fi Bass Power Amplifier Board With TF USB bluetooth FunctionNotice: If you want to use the bluetooth function, then you need to add a bluetooth stick on the board. The switching function is useful only in 220V, DC state is invalid! Features: With breakpoint memory play functionSupport reading MP3 format file in TF card or U flash driverSupport adjusting treble, bass and master volume independentlySupport DC 12V 24V or AC 110 220V voltageWith AUX input, can be connect to PC, cell, DVD, CD, etc. Traditional hi
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Universal Car Subwoofer 30W Hi-Fi Bass Power Amplifier Board With TF USB bluetooth Function