DIY audio amplifier at. home use 4440 board with usb panel. 

Hlo friends this a audio amplifier.
This amplifier sound output excellent.
and a amplifier make it varry easy & interesting.
Simple and easy DIY.
This amplifier matryl parts use.
Ply board,, 4440 sound board,, usb panel,,
4hom 80w 4 inch speaker 2 pess.,,
I hope see that you are making...
=======Thanks for Watching=======
Buy Link 4440 sound board.
www.amazon.in/NextGeekTM-Ster...
Buy Link USB panel.
www.amazon.in/Bluetooth-Playe...
Buy Link speaker.
www.amazon.in/NextGeekTM-inch...

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