- Onboard TDA2030A audio power amplifier chip
- Mono 18W power amplifier circuit design
- Onboard speaker terminal block
- Onboard 10K adjustable resistor, you can adjust the amplified volume
- Onboard power indicator
- The main pins of the chip have been led out, you can directly input audio signals
- Working voltage: 6V-12V
- Board size: 32mmx24mm










