JBL

Best-in-Class Three Cubic Foot Back Box for 12” Models. Rectangular with Extra-Thick 16 Gauge Metal and Heavy Duty ½” MDF Reinforcement on Top and Side Panels. Fits Control 321C, 321CT, 322C, 322CT & 321CS. 23.1” x 18.2” (20” Incl. Side Tabs) x 12.8” Deep. NOW UL LISTED

One Cubic Foot Back Box for 8” Models. Round with Extra-Thick 16 Gauge Metal and Heavy Duty ½” MDF Reinforcement on Top Panel. Knockouts on Sides and Top Panel. Fits Control 328C & 328CT. 15” Dia x 10.6” Deep. NOW UL LISTED

Contemporary Square Grille for 12” Models. Fashionable Upscale Look, White, Metal, 16.3” x 16.3” x 0.4” Deep. NOW UL LISTED