Bbox A184-10CP Dual 10" Sealed Carpeted Subwoofer Enclosure - Fits 2014 - up Chevrolet/GMC Silverado/Sierra Crew Cab Cutout Diameter - 9.125" Max Mounting Depth - 6.5" Net Volume - 1.69" (Front Height) 6.75" x (Rear Height) 4.5" x (Width) 52.5" x (Depth) 14.75" x (2nd Depth) 14.5" Premium Charcoal Carpet