PROFICIENT

BBIWS10


PROFICIENT BBIWS10 MDF BACKBOX FOR IWS105

Works with the IWS105 sub, designed to fit any standard 16" stud bay. Cuts down on translational energy vibration between adjacent walls. The IWS105 sub is tuned to the BB-IWS10 back box. Not for use with ICS11 and IWS85.