3-Channel Audio HIFI Subwoofer Amplifier Circuit Board PCBA

Parameters:

1. Blue LED power indicator light, real-time monitoring of power supply working status

2. The audio signal input end has two input interfaces, (1) connected to the flower socket port, and (2) 3P socket input port, choose one of them

3. You can install a 12V MP3 decoding board to input the sound into the amplifier (see the product display image below)

4. Input power supply: AC dual 12V2A transformer, it is recommended to use dual 12V30W or higher transformers

5. Output power: (1) Left and right channels: rated power: 18W × 2. It is recommended to use a 3-5 inch, 4-8 Ω, 10-30W full frequency speaker; (2) Low frequency output: Rated power: 30W × 1. It is recommended to use 4-6 inch, 4-8 Ω, 20-50W full frequency speakers

6. PCBS board material: PR-4 fiberglass board

7. Center distance of potentiometer: 0-28-28mm Net weight: 130g

8. Output impedance: 4-8 Ω

9. The motherboard and tone board are connected by a 30MM 6P ribbon cable

Dual power sources must be used for power supply, and single power sources, DC power, and car batteries cannot be used The output power depends on the voltage of the power supply and the impedance of the horn