Check the listing for details. 05-14 Mustang Custom Sub Subwoofer Box Enclosure with Plexiglass Amp Rack. Condition: New. Listed at 269.99 USD. Plexiglass Amp Rack. The amp rack will be built for the specific amp you are running so you will need to provide the dimenions or model of the amp you plan on using. Amps longer than 16" will not fit. Please make sure that your amp is less than 16" before purchasing this enclosure. Enclosure Specs: - 3/4" and 1/2" MDF Construction - Charcoal automotive carpet (black carpet is available upon request) - Holds 1 round 12" subwoofer (a 10" sub may be substituted upon request) - 1 cubic foot (volume may be increased or reduced upon request) - 9" mounting depth - Round spring loaded speaker terminal - Sealed air tight w/liquid nails caulk - Roughly 25 lbs. Subwoofer Availability: 1 12" Sub 1 10" Sub We can also cut square holes upon request.