Originally Posted By: HomeDad
I'm still waiting for someone who has had both to make a comparison.

I have M22tis and on-wall M22s (v3). I prefer the high end of the on-walls. It's been a while since I compared them (and even then it was not A/B, but cable switching), but I will say that the top end sounds more "refined". I never had a problem with the top end of my bookshelf M22s, so it's the kind of difference that probably needs closely spaced listening sessions to really appreciate.
I can explain it to you but I can't understand it for you.