I have an older Panasonic TC P50ST30 (release review/specs here) that was generously given to be by another Arsian that does have ARC support (I think). The TV sitting in front of an old but nicer ...
The cool thing about wireless speakers --especially Bluetooth speakers-- is their portability and, well, lack of wires. In a worst case scenario, they have to be plugged in to an electrical outlet.
So I moved into a new house where the previous owner put speaker wire behind the floorboard for rear speakers in the family room. I have a "computer" 5.1 surround system that uses RCA cables to ...