Product information:100%Brand New and High Quality 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 amplifierChip Select:TPA3116D2Supply voltage:DC 12-24VOutput power:50W*2+100W Subwoofer*1Output Impedance:4-8 ohmFrequency range:14-100KhzSNR:100dbNumber of channels:3(left channel,right channel,subwoofer)Switch frequency:1.2MHzSize:10cm x 7cm x 3cmWeight:120g Packaging1pc x TPA3116D2 2*50W+100W 2.1 Channel Digital Subwoofer Amplifier Board Amplifier Board Module
