PAM8403 mini 5V digital amplifier board with switch potentiometer can be USB powered GF1002
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 470uf (some sellers are less did not even 100uf capacitance) 1.6mm 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.
Product Name: PAM8403 digital amplifier board
Specifications Model: GF1002
Power range: 5v DC
Minimum Output: 3W * 2
Dimensions: 29.5 * 20.2 * 15mm