Low Profile 48

 Low Profile 48" Width SUV Sealed Speaker Box.  This design spreads out side to side and front to back  for lots of air space, but only 9" high, which leaves more room in your car trunk, SUV cargo area or hatchback type vehicle.  Constructed out of premium 3/4" MDF that is stapled, glued and chalked for NO air leaks! 

48" width  x  9" tall  x  18" depth