2 Channels 3W PAM8403 Class Amplifier Board 5V USB

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Description:

This mini 2 channels 3w amplifier with PAM8403 is perfect for MP3/MP4/notebook. And you could also power the board with 5V USB power supply.

Features:

• Operating voltage:3.6V - 5.5V        
• Maximum output power: 3Wx 2 (at 4V)       
• Channel Efficiency: >90%       
• PCB Size: Approx. 24x 11mm / 0.95 x 0.43 inch
• Note: Please make sure the power supply is not more than 5.5V and please don't do polarity for "+" and "-"; otherwise, it will the board.  

Package Includes:

• 1 x 3W amplifier Board 

2 Channels 3W PAM8403 Class Amplifier Board 5V USB Power