Down4Sound PRO-FAB - Birch - 4X 8-INCH Ported Subwoofer Enclosure - 19+ GM/CHEVY Crew CAB - Under Seat - NO Lift
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Most products are covered by the manufacturer's warranty against defects. Damage from over-powering or improper installation isn't covered — we'll help coordinate any valid claim.
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Subwoofer Wiring Diagram
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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 vehicle’s audio system.
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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 (Ø) : 191.41 mm - 7.54 in
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Width
52 inches -
Front Height
11 inches -
Rear Height
7.5 inches -
Depth
13.75 inches
Net Airspace (After Displacements)
1.73 cubic feetPort Information
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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****
Authorized Down4Sound dealer at JS Ultimate Sounds. Free shipping on orders $99+.
