Product features:
1, onboard TDA2030A audio amplifier chip
2. Mono 18W power amplifier circuit design
3, onboard horn wiring seat
4.
Onboard 10K adjustable resistor to adjust amplified volume
5. Onboard power indicator
The main pin of the chip has been drawn out, and the audio message can be input directly
7,
working voltage: 6~12V
8.
Size: 31.6 mmx 23.2 mm