Not sure. I would never place a sub in an enclosed area, but that is just me. Placement of subs is one of the hardest tasks, and I really doubt that type of configuration would give a person the best performance down lowwwwwww. \:\)

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