JBL MTC-300BB12 Backbox For 12-IN C300 100060331 ADJ American DJ 5-Foot I-Beam

ADJ American DJ 5-Foot I-Beam for LTS-50T Portable Truss System

Creating a subwoofer array helps keep excess energy off of the stage and in the audience where it is needed

Rack Units: 6 in

Rack-mount kit included

5 Inch Pro Clamp

JBL MTC-300BB12 Backbox For 12-IN C300 100060331 ADJ American DJ 5-Foot I-BeamJBL MTC 300BB12 Backbox For 12 Inch C300 Features: Extra thick 16 gauge metal construction. Lined with 12 mm (1 2 inch) thick MDF to eliminate resonances and to provide extra bass response. Knockouts on top and all four sides. Dual mounting system for baffle. Mounting platform for an optional high power 70V 100V transformer. Specifications: External Volume: 3 cu ft, nominal Internal Volume: 2. 4 cu ft. Knockouts: 22. 1 mm (0. 87 in) diameter opening;