The only problem I can see is if you had your crossover set to high. Subwoofers normally are non-directional, especially anything below 80hz, so you don't have to have them facing the listeners.

Get the Axiom 500 or 600, shazzaaaaaaam they rock...

M80s VP180 4xM22ow 4xM3ic EP600 2xEP350
AnthemAVM60 Outlaw7700 EmoA500 Epson5040UB FluanceRT85