5v Usb 2.1 Channel Digital Audio Stereo Power Amplifier Board Module 5w+3w

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I have one of these miniature D-class 5v 2.1 amplifier. It is marked NS4358 on the main chip.

Diagram:
NS4358_zps3d1ac738.jpg


Details: https://translate.google.co.in/tran...n&u=http://www.szczkjgs.com/products_3627.htm
 
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