If you use a Bose speaker often but for some reason it stops charging, there are a few easy fixes you can try to troubleshoot ...

First, he determined that the right speaker had died, so he found a replacement on eBay. These were designed for a different set of headphones, but matched the impedance of the original Bose part.

He said there’s a 50/50 chance that he could repair your Bose unit, depending on the available parts needed ... and also manufactures amplifiers, speakers, and home theater components.