Number 1 result on amazon is a HomeSpot-Bluetooth-Transmitter but I have no idea if it is decent. It's a little expensive, but I have an older and lower-end unit from the same brand and it works ...
The average punter shunts audio around with analog 3.5 mm cables, RCA jacks, or Bluetooth on a regular basis. A useful standard that hasn’t really bothered most of us is S/PDIF, standing for ...