Onboard PAM8403 audio amplifier chip, 3W * 2 filterless stereo D-class audio amplifier; On-board connection of 2 5.08 (mm) spacing 2P terminals, which are left and right channel connection outputs respectively; The main pins of the chip have been led out, which is convenient for external device control;
Working voltage: 5V;
Board size: 30 (mm) x30 (mm)