Features: 1. TDA2030A amplifier chip 2. 18-watt mono amplifier circuit design 3. Headphone wire blocks on the board 4. Adjustable resistance 10 K on board, you can adjust the amplification volume 5. A power indicator on the board 6. The chip is the main pin thread, you can directly enter the audio signal 7. Working voltage: 6 ~ 12 V 8. Output peak current 3A Specification Power: 6 V to 12 V Power output: 18 Built-in potentiometer 10 kω Dimensions: 32 x 24 x 23 mm Weight: 11 g
