InkOcean Audio Amplifier Board Module TDA2030A 6-12V 18W Mono Power Supply Module Electronic Components Electronic Hobby Kit
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1.On-board TDA2030A audio power amplifier chip.2.Design of single channel 18W power amplifier circuit.3.On-board trumpet connection seat.4.On board 10K adjustable resistor, which can adjust the amplified volume.5.On-board power indicator lamp.
