Box Specifications Fits Infiniti G35 Coupe, All Years Hole cutout for 8" Sub: 7 1/8" Hole cutout for 10" Sub: 9 1/8" Subwoofer Mounting Depth: Approx. 7.00" based on a 6.125" diameter magnet Total Airspace: 0.80 cubic ft. Made with 0.75" MDF Speaker Wire Terminals: 1 Per Subwoofer Box Type: Sealed Box Box Finish - Carpet Installed Pictures Shown in Charcoal Grey Subwoofers & Amps Not Included Hole Cutouts adjustable per request