The PAM8403 mini digital power amplifier board is a compact stereo audio amplifier module designed for DIY speakers, portable audio devices, small sound systems, electronic experiments, and USB-powered audio projects. Built around the PAM8403 digital power amplifier chip, this module provides 3W + 3W stereo output power while maintaining a small footprint and efficient operation.
Product Specifications
Product Name: PAM8403 Mini 5V Digital Power Amplifier Board Module
Operating Voltage: 5V DC
Output Power: 3W × 2 / 3W + 3W stereo output
Audio Channels: Left and right stereo channels
Blue Board Dimensions: 30 × 30 mm
Green Board Dimensions: 29.5 × 20.2 × 15 mm
Power Supply Type: 5V DC / USB-powered compatible
Application: Speaker amplifier board, DIY audio module, electronic audio project module Pin
Description POWER+: Power supply positive input
POWER-: Power supply negative / ground
L: Left channel audio input
G: Audio input ground
R: Right channel audio input
Rout: Right channel audio output
Lout: Left channel audio output