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-   -   Any class d blutooths powered by micro usb? (https://www.diyaudio.com/forums/class-d/316929-class-blutooths-powered-micro-usb.html)

Blueandy88 3rd January 2018 05:30 PM

Any class d blutooths powered by micro usb?
 
Building a little speaker set up for travel and have a solar powered 15000 mah battery pack that accepts usb to run power to . Any class d amps have a provision or are they all pretty much 2.1-2.5mm power jacks?

Nenola 5th January 2018 03:57 PM

I recently built a bluetooth speaker with this Sanwu board: Stereo Bluetooth Amplifier Board Lithium Battery Powered AMP for Speaker | eBay

Tested it with usb power and it works. But I have to warn you, i makes a loud and annoying beep when turned on. Currently I'm powering it with one single 18650 lithium battery. Haven't tested the charging feature yet.

I think your speaker will run for days with that battery! :D Might wanna think about smaller pack if you wan't to save space and weight.


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