TDA7850 Amplifier Board 2.1 Channel 2x80W Car AB Type Amplifier Module DIY High Power 120W Bass

1. Gold-sunk wiring for better sound 2. Optimized ground wiring to eliminate bottom noise 3. Immersion gold circuit board, car-grade amplifier chip, Nichicon professional audio filter capacitors 4. Input mode: 3.5mm audio cable input or 3P 2.54mm terminal input 5. Can be connected to 2/4/6/8 ohm speakers 6. Protection function: reverse power input protection, short circuit protection, over-current protection, overheat protection 7. Supply voltage: DC12-18V 8. Output power: 2x80W stereo (18V / 4 ohms) and 1x120W pure bass (18V / 2 ohms) 9. Potentiometer knob opening: 7mm 10. Mounting hole spacing: 25.4x48.26mm (Bluetooth module spacing compatible) 11. PCB size: 72.36 x 66.65mm 12. Overall (including heat sink):: 72.36 x 96 x 27mm 13. Weight: 170g