Using Bluetooth and wired together

Ok Apple TV is connected to tv via hdmi and I have a 3.5 wire going from tv to Bose wave. Sounds great. Now I’m using a Bluetooth adapter for another wave on other side of the room. When it connects the wired system mutes. Tv is not a smart tv. Also volume display changes from tv version to the Bluetooth adapters brand(Ensinkin). Why o why? Thanks in advance 😁