RioRand Mini 5V Audio Ampli Digital Amplifier Board Support USB Powered Two Channel Stereo Amp 3W+3W
Feature:
PAM8403 Mini Power Amplifier Board.
Dimension:30 x 22 x 16mm (do not including potentiometer handle) Operating voltage: DC 2.5-5.5V
Max output: 3Wx2 (5V 4Ω)
Efficiency: 90%
Package Includes:
1x Mini Amplifier