XH-M139 TPA3116D2 2x 80W +100W 2.1 Channel Digital Subwoofer Power Amplifier Board TPA3116*2 3 Channels DC 12-24V

Features Adopts two high quality TPA3116D2 digital amplifier chips Sound quality is very good high efficiency and amplifying power 80W 2 100W2 1 channels left right channel and subwoofer channel high efficiency and low heat Powered by DC 12 24V wide input voltage User can adjust the volume by themselves easily Applicable speaker impedance 4 8 ohm Just connect the power supply and loudspeaker box enjoy the pure digital music Notice This amplifier board must be powered by DC power DC12 24V it s better to use high performance switch power Don t use transformer Specifications Supply Voltage DC 12 24V Chip TPA3116 2 Channel Type 3 Channels Left Channel Right Channel Subwoofer Output Power 80W 2 100WOutput Match 4 8 ohm Audio Output Terminals Frequency Response Range 14 100KHz SNR 100dB Switching Frequency 1 2MHz PCB Board Size 100 70 30mm 3 94 2 75 1 18in L W H Weight 113g 3 98oz Package Size 13 5 11 5cm 5 31 4 33 1 97in L W H Package Weight 178g 6 3ozPackage included 1 x 2 1 Channel Audio Amplifier Board