Box Specifications Fits All Years 350z Roadster / Convertible Hole cutouts for 8" Sub: 7 1/8" Hole cutouts for 10" Sub: 9 1/8" Subwoofer Mounting Depth: 7.5" Total Airspace Per Sub/Chamber: 0.50 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