PAM8403 5V Amplifier Module, 2 x 3W Dual Channel Mini Digital Amplifier Hi-Fi Amplifier Mini Speaker DIY Kit

Package Included PAM8403 5V Audio Amplifier Module Board.The PAM8403 5V amplifier board can be powered by USB power or AA batteries. Operating voltage: 2.5 V - 5.5 V. Maximum output power: 3 W x 2 (5 V 4). Small - 30mm x 22mm wide, and the total height after installation is about 16mm. Small digital power amplifier, sound quality highlights the advantages of digital chips. 2 x 3W (3W + 3W) output for sound quality. volume adjustment and power switch control.