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Feature

Super small Size (302216mm, NOT included the handle of the potentiometer ), light weight, handy and easy to install
Flexible power supply: the module can easily run off three AA batteries, a USB Cell phone charger, a rechargeable Cell phone charge pack
Top notch potentiometer, easy and smooth to adjust the volume and control the power switch
Crisp and Clear sound output, low noise, give you best hearing enjoyment
Please note that do NOT connect to power if you do have the speaker connected, or will wreck the module

Description

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 4)
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