digital power amplifier board Mono power amplifier board 18W mini speaker power TDA2030A amplifier 12V Bluetooth audio module
$10.31
1000 in stock
Description
1, onboard TDA2030A audio amplifier chip 2, mono 18W power amplifier circuit design
3, onboard horn wiring seat
4, onboard 10K adjustable resistance, you can adjust the amplified volume
5. Onboard power indicator
6, the main pin of the chip has been drawn out, you can directly input the audio signal
7, working voltage: 6 ~ 12V
8, board size: 31.6(mm)x23.2(mm)
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