Thanks Steve

That sounds like the issue. I thought that the processor would send comms to the rears as it would in an all SpeakerLink system.

I do have an S cable with an ethernet on one end. Would that be usable in this scenario?

Cheers
Tom

Main: G61SL, 218, HD621, 2*7200SE, 7200HCSE, M6s, DSW, Apple TV 4K, NUC (Roon server)
Secondary: Wiim Pro, 3200, Audio Core 200
F80