It all changes when you put them in a room, every room is different, and every placement brings about different results in FR. Multiple subs placed around the room is the best option, if you can afford it. \:\)

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