ITEM NAME:TDA7850 4 Channel Car Power Amplifier Board with BA3121 Noise Reduction #gib Store Home Promotion Hot Item Add to Fav.With BA3121 isolation noise reduction (to eliminate common ground noise). 1 X TDA7850 4 Channel Car Power Amplifier Board. The circuit design is reasonable, no popping sound at startup, no need to connect the speaker protection board.
