MTC-300BB12 - 3 Cubic Ft. Backbox for Control 300 Series 12 in. Drivers

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 Cutout Size: 378 x 378 mm (14.9 x 14.9 in)
Shipping Weight: 23.1 kg (51 lbs)