Is that 2000 square feet or cubic feet? Square feet and that is on massively huge room.
Anyway... here is a pair of PB12-Plus/2's in my 11.5'W x 19.5'L x 8'H = 1800ft^3 room. One sub in front right corner crossed over at 80Hz and one in the left rear corner crossed over at 60Hz... no filtering/eq.
