I've heard from a few people that it's not all that great and that the box isn't built as efficient as it should, theres no loading wall, and apparently the extra two subs in the middle are not needed and if anything are taking away from the rest of the box, if I were him i'd take it to BHE in tampa and let them build a nasty 4th order for it and put up some serious numbers, we all know the equipment is there for high 50's or low 60's