Designed specifically for 2007-2013 Chevy/GM Crew Cab trucks, the Down4Sound PRO-FAB (Quad) enclosure is engineered to deliver ground-shaking bass. With four 8-inch subwoofer openings, this ported enclosure is built from premium birch wood and coated with a polyurethane bedliner for enhanced durability. Featuring a square air port design, it’s precision-tuned for powerful and accurate bass performance. This enclosure fits seamlessly under the seat but requires a 2.5-inch seat lift for proper installation.
- Compatibility: 2007-2013 Chevy/GM Crew Cab (Under Seat, 2.5-Inch Seat lift is required BUT IS NOT INCLUDED)
- Configuration: Quad 8-inch subwoofer openings
- Material: Premium birch wood with polyurethane bedliner coating for extra durability
Outside Dimensions:
- Width: 54 inches
- Front Height: 12.5 inches
- Rear Height: 11 inches
- Depth: 14.75 inches
Net Airspace (After Displacements): 1.795 cubic feetSubwoofer Cutout: 7.32 inch
Port Information:
- Type: Square air ports – DRIVERS & PASSENGER SIDE – 2 PORTS TOTAL
- Inner Surface Area: 12.18 square inches
- Depth: 9.91 inches (including cabinet thickness)
- Tuning Frequency: 40.06 Hz
Recommended Subwoofer: Down4Sound DBz 8″ Subwoofers
****ALL SALES ARE FINAL****
