DOWN4SOUND | PRO-FAB – BIRCH – 4X 8-INCH PORTED SUBWOOFER ENCLOSURE – 19+ GM/CHEVY CREW CAB – UNDER SEAT – NO LIFT

Engineered for the 2019+ GM/Chevy Crew Cab, the Down4Sound PRO-FAB enclosure is designed to deliver powerful and precise bass. With four 8-inch subwoofer openings, this enclosure fits seamlessly under the rear seat without the need for a seat lift. Crafted from premium birch wood and coated with a durable polyurethane bedliner, this enclosure combines durability and performance, making it the perfect addition to your vehicles audio system. Compatibility: 2019+ GM/Chevy Crew Cab (Under Seat, No Seat Lift Required) Configuration: Quad 8-inch subwoofer openings Material: Premium birch wood with polyurethane bedliner coating for enhanced durability Outside Dimensions: Speaker cutout diameter () : 191.41 mm – 7.54 in Width: 52 inches Front Height: 11 inches Rear Height: 7.5 inches Depth: 13.75 inches Net Airspace (After Displacements): 1.73 cubic feet Port Information: Port Area (Each): 10.98 square inches Port Depth: 27 11/16 inches Tuning Frequency: 33.5 Hz Recommended Subwoofer: Optimized for Down4Sound DBz 8″ Subwoofers ****ALL SALES ARE FINAL****