PAM8403 is a small digital amplifier chip, high-definition sound quality highlights the advantages of digital chips, circuit using the most reasonable peripheral configuration, power supply filtering is upgraded to 470 uf (some sellers are less did not even 100 uf capacitance) 1.6 mm glass sheet, the real amplifier board did the most detailed, high-fidelity sound output 3W + 3W, is a rare good product enthusiasts amplifier, potentiometer using original anti-meter body, life expectancy up to 15 years, potentiometer with switch can cut off the power supply directly counterclockwise.
Specifications and Features :
- Operating voltage: 2.5V – 5.5V
- Maximum output power: 3W*2
- PCB size is about: length 30 mm width 22 mm overall height after installed is about 16 mm
- Built with switch Potentiometer, can adjust the volume & control power switch freely!
- Flexible assembly usage.