I calculated I need no more than 446 peak Watts per channel in my large room at a 12 foot MLP.

There could be significant savings by combining the DSPs and "lesser" amps directly into the speaker. If Axiom can drive significant volumes, the A/Ds, D/As and DSPs can all be FPGAd.

House of the Rising Sone
Out in the mid or far field
Dedicated mid-woofers are over-rated