Aokin PAM8403 Mini DC 5V 2 Channel USB Digital Audio Amplifier Board Module 3W+3W Volume Control with Switch Potentiometer
PAM8403 small mini 5v digital power amplifier board (can be USB powered)Board use PAM8403 digital power amplifier chip, circuit is simple, reliable work.Working voltage of 2.5V to 2.5V, 3 w+3w maximum output, efficiency can achieve 90% above.It can use computer USB 5V power supply, is very suitable for battery and portable electronic products.Bat small size, and is equipped with switch, potentiometer, can follow one's inclinations of the volume, and control the power switch to use and install is very flexible and convenient.Using devices all use the real thing, can be competent for long-term stability.