TPA3116D2 50Wx2+100W 2.1 Channel Digital Subwoofer Amplifier Board 12V-24V Power TPA3116 Xh-M139 Digital Amplifier Board Features: Adopts two high quality TPA3116D2 digital amplifier chips. Sound quality is very good, high efficiency and amplifying power. 50W*2+100W  2.1 channels(left/right channel and subwoofer channel), high efficiency and low-heat. Powered by DC 12-24V, wide input voltage. User can adjust the Read more about TPA3116D2 50Wx2+100W 2.1 Channel Digital Subwoofer Amplifier Board 12V-24V Power TPA3116 Xh-M139 Digital Amplifier Board[…]