ITEM NAME:Tpa3116D2 2X50W Digital Power Amplifier Board 5V To 24V Dual Channel Stereo K2C3 Tpa3116D2 2X50W Digital Power Amplifier Board 5V To 24V Dual Channel Stereo K2C3 100% brand new and high quality Material: Metal +pc Color: red The amplifier board adopts high quality TPA3116D2 digital amplifier chip, which features clear sounds, small size, high efficiency and high power. Adopts TPA3116 stereo audio power amplifier chip. Sound quality is very clear, strong amplifying power. Dual channel 2*50W, high efficiency and low-heat.