DOWN4SOUND | PRO-FAB – BIRCH – 4X 8-INCH PORTED SUBWOOFER ENCLOSURE – 07-13 CHEVY/GM CREW CAB – 5 INCH SEAT LIFT REQUIRED

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, its 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, 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

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