Sell 2X50W Power Amplifier Board,D 3-Channel HIFI Subwoofer Fever Level Bluetooth 2.1 Power Amplifier Board 100W best price

Delayed output protection at power-on, no impact sound, protecting expensive speaker unit; High output power, low distortion and high sound reproduction. No noise, interference current sound Support single power DC 24V power supply, or AC 18V power supply (need to add rectifier filter circuit), dual power supply e A variety of audio input methods, onboard Bluetooth receiving ule, or input audio from the 3P socket to meet the connection of different ules; Support cut-off frequency adjustment of super bass (cut-off range 180Hz-250Hz) Designed with anti-reverse circuit to avoid improper use or reverse power polarity damage to the power amplifier board Adopt high-quality ABS slotted radiator, high-end, atmospheric, high-grade Working voltage: 22-26VDC (recommended DC24V 5-10A) Output impedance: Subwoofer 2-8 ohm, left and right channels 4-8 ohm Output power: 50W (24V / 4 ohm) for the left and right channels of the subwoofer 100W (24V / 3 ohm) Input impedance: 20K ohm Signal input: 800-1500mV P-P Frequency response: 20Hz-20KHz ( +/- 3dB) 20-250Hz (subwoofer) Distortion: heavy low tone less than 10% left and right channels less than 1% colour: green Material: ABS Size: 100x92x38mm Package Contents: 1 x Power Amplifier BoardOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.