Recommended · for some experience
Transforming dead earbuds into POWERFUL wireless speakers
Why people recommend it
DIY Perks reuses the electronics from old wireless earbuds to drive larger speakers, and people suggest it as a starting point for salvaged wireless audio builds.
Watch for: Design files may not be free
In their words
I recently watched this video by DIY Perks and I want to build some bluetooth speakers using the electronics from a pair of Bluetooth earbuds and a class AB amp for some 10w speakers.
Adam Hey on electronics.stackexchange.com, Jun 2023. CC BY-SA.