REES52 2.1 Digital Audio Amplifier Board Sub Speaker Amplifiers Car Stereo AMP Module for Audio System Micro Controller Board Electronic Hobby Kit

Product description: Note: If you want Subwoofer,need use a High Quality Subwoofer speaker! Feature: The amplifier board adopts two imported TPA3116D2 digital amplifier chip as the core,one piece as left and right channel power amplifier,other piece as pre-bridge briver with NE5532 subwoofer ,with a small ,high effeciency,high power characteristics. Product name:2.1-channel audio amplifier Chip Select:TPA3116D2 Supply voltage:DC 12-24V Output power:50W*2+100W Subwoofer*1 Output Impedance:4-8ohm Frequency range:14-100Khz SNR:100db Number of channels:3(left channel,right channel,subwoofer) Switch frequency:1.2MHz Size:100*70*30mm Tips:This amplifier board have two power input End and Two audio input End,you can choose each one! Packaging included: 1pcs*DC12V-24V 2*50W+100W XH-M139 2.1 Channel digital Subwoofer Amplifier Board Chip TPA3116D2