Proficient BBIWS10 Medium Density Fiberboard (MDF) Back Box for the IWS105 Sub

$299.99

Works with the IWS100 sub, designed to fit any standard 16" stud bay. Cuts down on translational energy vibration between adjacent walls. The IWS100 sub is tuned to the BB-IWS10 back box. Not for use with ICS10 and IWS82.

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