Another welcome, Parin!
I, too, am a bit unsure of the 22-series filling that room for you. Sirquack's response above really covered things well, but I'll add one more thing: Axiom's towers, for all their great attributes, can be a little tipsy. It's not like they'll fall over if you look at them wrong, but I think a three year old could do if he/she tried. Honestly, I would be a bit concerned about one of the kids bumping a speaker over onto another.
Of course, the problem would be easily solved with some fancy (or very simple) "outriggers" to extend the footprint of the speakers:
