JBL MTC-200BB6 Back Can
Extra-thick 16 gauge metal construction.
Lined with 12 mm (1/2 in) thick MDF to eliminate resonances and to provide extra bass response.
Knockouts on top and side.
External Volume:0.7 cu ft, nominal
Internal Volume:0.5 cu ft.
Knockouts : 22.1 mm (0.87 in) diameter opening
Five (5) locations:1 on top panel 4 on side can
Dimensions (Height):193 mm (7.62 in) above ceiling 206 mm (8.1 in) total height
(Diameter):337 mm (13.3 in)
Net Weight:3.0 kg (6.5 lb)
Shipping Weight:4.0 kg (9 lb)
Included Accessories:4 pcs #10 x 0.75 in metal screws for another system of mounting baffle to backbox.