It's worth stepping up to the PB-3000 if possible. The deep bass output of the PB-3000 is much superior to that of the SB-3000.
SB3k CEA2010 2m
hz/db
12.5/na, 16/87, 20/94, 25/99, 32/105, 40/112, 50/116, stays 118db to 120hz
PB3000 CEA2010 2m
hz/db
12.5/82, 16/96, 20/108, 25/113, 32/115, 40/118, 50/119, 60/119, stays 118db to 120hz