I know Sonos can't currently use speakers as left and right channels, but with the last few updates and being able to control things like height channels it got me thinking. It would be nice if you could add play 5's as independent left and right channels and if paired with an arc or beam would drive the audio accordingly (like how it processes the rear surround sound).
I've looked around at some of the threads but haven't seen any that really discussed if it's more company direction or audio engineering issues that they don't push for that.
My current set up (pics below) is Arc, gen 3 sub and two play 5's as rear. The play 5s for rear are overkill (and awesome) for movies but we listen to alot of music in the common area and they're great for that. Instead of a dedicated theater room we went unconventional and threw a UST 4k projector (120") in our livingroom. The wife wanted a clean set up which is why we went with Sonos. The Arc and rear surround sound is solid, but the wide channels aren't cutting it. I know I know, the Arc isn't designed for this type set up, but we love the wireless, clean look and the multifunctionallity Sonos provides.
Maybe its just wishful thinking, but would love a future update to add dedicated left and right channels. :)