JBL MTC-300BB12 Best in Class Three Cubic Foot Back Box for Control 300 - 12 inch Models

JBL MTC-300BB12 Rectangular, 3 cubic foot backcan for any of the 12 models

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.