JBL MTC-300BB12 Backbox For 12-Inch C300Features:
- 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.
- External Volume: 3 cu ft, nominal
- Internal Volume: 2.4 cu ft.
- Knockouts: 22.1 mm (0.87 in) diameter opening; Five (5) locations: 1 on top panel; 1 on each side and end
- Height: 308 mm (12.1 in) above ceiling; 324 mm (12.6 in) total height
- Width: 587 mm (23.1 in)
- Depth: 461 mm (18.2 in) cabinet; 505 mm (19.9 in) including side tabs
- Ceiling Cut Out: 378 x 378 mm (14.9 x 14.9 in)
CALIFORNIA WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer, and to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.