usaci 1000 mod class

Im looking to compete Usaci this year. Right now the plan is to run the 0-1000 Mod class.I am trying to figure out what amps to run. Right now the plan is looking Like 4 or 6 15s. I will be walling my 300c and i have about 23 cube for the enclosure and ports. I can get a bit more if i pacman it a bit. 23 is just a flat wall to try an minimize any cancelation effects. I have been looking for a while for amps for this setup. MMATS 3500.05 is looking like a good choice giving me  around 2700 watts rms at a half ohm. I plan on a 2 amp setup with these which keeps me well in the class.  I think they are at about 375 rms at 4 ohm as rated by Usaci.  So 3 would put me over. Im looking at Fi BTLs or RE MT's as far as the subs. Depending on the 4 or 6 subs. Fi makes a dual 1 ohm and as far as i know RE i can only get in 2 ohm. I was wondering if maybe there is another amp out there that might be even better power output for this class. I am open to any suggestions you guys might have to get me the power i need to win some contests.

The reason i am having so much trouble trying to figure out what setup to run is with 6 dual 1ohm 15s im looking at a .66 load per trio. Running  4 15s with dual 2ohm i can get a .5 on each pair. Im just not sure that the 2 MMATS 3500.05s is going to give enough power for the 6 15s and then on the other hand. I get more power to the 4 15s but have less cone area pushing air.