PAM8403 is a small digital power amplifier chip. The high-definition sound quality highlights the advantages of the digital chip. The circuit adopts the most reasonable peripheral configuration. The power filter is upgraded to 470uf (some sellers do not even have 100uf or even no capacitor) 1.6mm fiberglass sheet The power amplifier board is the most meticulous, outputting 3W+3W high-fidelity sound quality, which is a rare good product for power amplifier enthusiasts. The potentiometer adopts the original anti-meter body, and the lifespan can reach 15 years. The potentiometer with switch can directly cut off the power supply counterclockwise. It has been well received by buyers since its listing!
Product name: PAM8403 digital power amplifier board
Specification model: XTW8403
Power supply range: 5v DC
Lowest output: 3W*2
Appearance size: 29.5*20.2*15mm (excluding protruding potentiometer rod)