Down4Sound PRO-FAB - Birch - 2X 8-INCH Ported Subwoofer Enclosure - 07-13 GM/CHEVY Crew CAB - NO Lift
Many in-stock orders ship within 1-2 business days, but timing varies by item. Custom, built-to-order, oversized, special-order and supplier-direct products may need extra processing time. Free shipping applies to qualifying orders over $99 in the contiguous US. Approved returns may be subject to a restocking fee.
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.
Tell us your vehicle, subwoofers and electrical setup and our team will help you match the right gear. Reach out before you buy.
Subwoofer Wiring Diagram
Select your configuration to view possible wiring combinations.
Loading wiring diagrams…
Diagrams are on our wiring diagram page.
Tailored for the 2007-2013 GM/Chevy Crew Cab, this Down4Sound PRO-FAB enclosure delivers powerful, precise bass with dual 8-inch subwoofer openings. Designed to fit seamlessly under the rear seat without requiring a lift kit, it ensures easy installation while maintaining your truck’s interior space. Constructed from premium birch wood and coated with a polyurethane bedliner, this enclosure combines durability with superior audio performance.
-
Compatibility
2007-2013 GM/Chevy Crew Cab (Under Seat, No Lift Required) -
Configuration
Dual 8-inch subwoofer openings, optimized for Down4Sound DBz 8" subwoofers -
Material
Premium birch wood with polyurethane bedliner coating for enhanced durability
Outside Dimensions
-
Width
54 inches -
Front Height
9 1/2 inches -
Rear Height
8 inches -
Depth
14 inches
Net Airspace (After Displacements)
0.98 cubic feetPort Information
-
Port Area
11.22 square inches -
Port Depth
23 1/2 inches -
Tuning Frequency
33.66 Hz
This expertly tuned enclosure enhances your vehicle’s audio system by delivering deep, rich bass for an immersive listening experience. Built with precision and quality, it’s the ideal upgrade for any audio enthusiast.
****ALL SALES ARE FINAL****
Authorized Down4Sound dealer at JS Ultimate Sounds. Free shipping on orders $99+.
