No multi-room control in any of the 5 room stand alone A/V setups, but some select rooms have wireless remote control repeaters to "talk" to the rack..
C-220 in bedroom..
Integra is "audio" selector for living rooms system..
I have a C 37 in living rooms rack, but only use for audio source selection to feed all 5 rooms in house via a high quality Belden Media twist Cat 6 + feed for all rack audio sources with baluns..
My set up it somewhat complicated but very versatile..
No WAF needed, never have, and probably never will, as my whole house is a "Man Cave" !!
I am a retired audio electronics bench tech/FOH sound engineer..
I have previously posted pictures of my sonic sickness.