Fits 2008-2012 Honda Accord Amp Mount Area Provided Under Box Ported - Tuned at 34Hz Fit The Coupe and Sedan Hole cutout for 8" Sub: 7 1/8" Hole cutout for 10" Sub: 9 1/8" Hole cutout for 12" Sub: 11 1/8" Subwoofer Mounting Depth: 8.25" Single Subwoofer Airspace: 1.60 cubic ft. Made with 0.75" MDF Speaker Wire Terminals: 1 Per Subwoofer Box Type: Sealed Box Box Finish - Carpet Installed Pictures Shown in Charcoal Grey Subwoofers & Amps Not Included Hole Cutouts adjustable per request