Check the listing for details. For a 2000+ Chevy Tahoe ~ Custom Ported / Vented Sub Box Subwoofer Enclosure. Condition: New. Listed at 354.99 USD. Custom Built Ported Subwoofer Enclosure for a 2000-Present Chevy Tahoe Description: This listing is for a custom built ported subwoofer box for 2 12" or 10" subs to fit behind the third row seats in a 2000+ Chevy Tahoe. Enclosure Details: - 3/4" MDF Construction - Black carpet (charcoal or light grey carpet may be substituted upon request) - Port Tubes - 4 2" aeroports - 8.5" long - Tuned to 34 Hz (frequency is adjustable upon request) - Mounting Depth: 7" - Exterior Dimensions Length - 47" Height - 20" Bottom Depth - 9.5 Top Depth - 6.75 - 3.0 Cubic ft total - Single Chamber - Roughly 65 lbs - Sealed air tight with liquid nails caulk - Space is provided to mount an amp between the seat and the back of the box