Anyone ever made a homemade Bluetooth speaker.

Looking at a build using some 6.5" Polk speakers I have.

Picked up this Bluetooth receiver/Amp

battery pack

I know I could go cheaper with building a battery pack or something else but this has built-in charging and protection circuitry.

thinking of going a little fancy and using this for a on/off switch which will also give me battery voltage and usb charger.

Don't need the cigarette charging port. Thinking of pushing the charging cable for the battery pack though that hole. Better if I could find a port that would fit that hole and hold the female end of my charge cable connect to the battery pack.

Likely build the box out of MDX or plywood I have laying around. MDX is supposed to be better for sound. This will be a large speaker box but still portable as I will put a handle on the top.

Got the idea from this build.

https://www.instructables.com/...-Bluetooth-Speakers/