Box Specifications Fits Nissan 300zx 1984-1989 Wedges in place in the rear drivers side corner Hole cutout for 8" Sub: 7 1/8" Hole cutout for 10" Sub: 9 1/8" Subwoofer Mounting Depth: 7.75" Total Airspace: 0.60 cubic ft. Made with 0.75" MDF Speaker Wire Terminals: 1 Per Subwoofer Box Type: Sealed Box Box Finish - Carpet Installed Pictures Shown in Black Subwoofers, Amps, and Grill Not Included Hole Cutouts adjustable per request