Can we separate out my two issues?
First, will running my 818 as a 9.1 set up (front wides and two rear surrounds) encroach on my ability to use it for Zone 2?
As for the sub in the second room, you are correct on both points. This room will be exclusively music, and it is not an LFE signal; just the low end of stereo. My sub allows the type of connection you described. However, I am trying to do it wirelessly, with one of these:
And my understanding is that using the Rocketfish requires a coaxial out of the 818 to work.
Thoughts? And thank you very much for chiming in.