I've listened to the M22s v2 with a sub and they are not equivalent to M80s v2. There are big differences in soundstage, presence and mid-range. I find the M22 v2 "thin" or "lean" compared to the M80 v2. I can't speak to other versions.
A-LFR/1000-8 & 2/500v4x2
Air Force, Freedom