I don't know what your room looks like, but my first thought would be to build some false columns and recess the M80's into them, with whatever amount Axiom recommends sticking out (eg a few inches).

M60ti, VP180, QS8, M2ti, EP500, PC-Plus 20-39
M5HP, M40ti, Sierra-1
LFR1100 active, ADA1500-4 and -8