As is the case with things like road bikes and movie cameras, there are now tons of old high-end speakers that are still in ...

This very odd amp is surprisingly popular: it turns old passive speakers into wireless ones with 40 hours of battery life ...

I had someone ask me a question that sounded strange at first, but then it made sense after I thought about it. He asked me if I knew of any way to add Bluetooth connectivity to older non-Bluetooth ...