Amp -Power Audio Board Highlights Generic Brand Power Audio Board Description: Adopts high quality audio coupling capacitor, with BA3121 noise isolation and noise suppression. The capacity of the main filter is 10000uf, enough energy to play the amplifier's superior sound quality. The TDA7850 is a high quality Hi-Fi car audio amplifier IC, the sound quality is excellent LC filter, purer power, smaller ripple and less interference. 4 inputs and 4 outputs, DC 12V power supply or 12V car power supply. With delay function, no impulse sound, no need to install speaker protection. It is the best choice for car audio upgrade and DIY 4 channel amplifier. specification: Material: plastic Size: 6.5x5.2x3.6cm Package includes: 1 TDA7850 amplifier board module