DC 12-24V 200W 3 Channel D Class 2.1 Digital Power Amplifier Board High Power Bass Speaker HIFI Fever Level Sound Quality

Specification: Operating voltage: DC 12 - 24V (recommended 19V 4.74A) Output impedance: Subwoofer 2 - 8 left and right channels 4 - 8 Output power: Subwoofer 100W (24V power supply / 3 load) Left and right channel 50W (24V power supply / 4 load) Input impedance: 20K Signal input: 800-1500mV P-P Frequency response: 20Hz-20KHz ( 3dB) / left and right channels 20-180Hz / subwoofer Distortion: bass