Check the listing for details. Custom Ported Sub Box Enclosure for 1 10" Sundown Audio U Series U-10 Subwoofer. Condition: New. Listed at 234.95 USD. This Enclosure is built to the Specs recommended by Sundown Audio for one U Series 10" subwoofer in a ported box. We use a 3" aeroport to reduce port noise so you get clean clear bass from your sub. The subwoofer is flush mounted 1/2" into the box, which adds a custom look and helps keep the sub from getting damaged. - 3/4" MDF Construction - Port Tubes - 3" x 11" Aeroports - Black automotive carpet (charcoal carpet may be substituted upon request) - Tuned to 35 Hz (adjustable by request) - Exterior Dimensions - 19"(wide) x 12.5"(tall) x 14"(deep) - Net Volume - 1.0 Cubic ft - 25 lbs - Gold plated terminal - Sealed air tight with liquid nails caulk ___________________________________________________________________ For other Subwoofer Specific enclosures like this, vented or sealed, see our eBay store.