Versatile Bluetooth MP3 decoder board with integrated stereo amplifier, ideal for DIY speakers, car audio, or home projects. Key Features: Bluetooth connectivity for wireless streaming from phones/tablets USB-A port for U-disk/flash drive playback TF/microSD card slot for direct MP3/WMA/WAV file playback 3.5mm AUX input jack for wired audio sources Built-in amplifier: Approx. 2x15W output (TPA3110 chip or equivalent) Green 4-pin terminal block for speaker connections (supports 4-8 ohm speakers) Control buttons: Play/Pause, Back/Previous (long press for vol-), Next (long press for vol+), Vol/Mode Barrel DC power jack (8-24V input, 12V recommended) On/off slide switch Orange PCB board, compact size (approx. 10cm x 5cm)
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