DROK® Super Small 3W+3W DC 5V Audio Amplifier Handy Digital Power Amp Module Board Dual-Channel PAM8403 Stereo Amplifiers with Potentiometer for DIY Portable Speakers Headphones

Parameters:
PAM8403 Mini Power Amplifier Board.
Dimension:30 x 22 x 16mm (do not including potentiometer handle)
Operating voltage: DC 3-5.5V
Max output: 3Wx2 (5V 4Ω)
Efficiency: 90%

Note:
1.You can use USB port on computers to offer 5V power supply for the amplifier board
2.Potentiometer with switch, can adjust the volume and control the power switch
3.Suitable for battery or portable electronics products,suitable for long time steady usage.
4.Please make sure operating voltage less than 5.5V, or the module will be damaged
5.Without reversed connection protection, meaning the module will burn if wires are connected reversely

Package includes:
1x Mini Amplifier Board