PREFAB AKA "PRO-FAB" SUBWOOFER BOXES

Tailored for the 1999-2007 GM/Chevy Extended Cab, this Down4Sound PRO-FAB enclosure is designed for serious bass enthusiasts. Featuring four 8-inch subwoofer openings, it delivers precision-tuned...

Designed for the 2019+ GM/Chevy Crew Cab, this Down4Sound PRO-FAB enclosure is tailored for audio enthusiasts seeking deep, powerful bass. Featuring four 8-inch subwoofer openings, it is...

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...

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...

Tailored specifically for 2019-2024 GM/Chevy Crew Cab models, the Down4Sound PRO-FAB enclosure is designed to provide precise, impactful bass without requiring a seat lift. Featuring dual 8-inch...

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...

Designed specifically for 1999-2007 Chevy/GMC Crew Cab trucks, the Down4Sound PRO-FAB (Quad) enclosure is built to deliver exceptional bass performance. With four 6.5-inch subwoofer openings, this...

Experience Extreme Sound with the PRO-FAB HD3 Dual 2 12 Inch KERF Ported Subwoofer HD Birch Enclosure Are you craving high-performance audio and extreme sound quality? Look no further than...

High performance and extreme sound, that's what you can expect from Down4sound's "PRO-FAB HD3" Single 12 Inch Ported Subwoofer HD Birch Enclosure. With a THICK triple baffle design, this enclosure...

Dual 12 Inch KERF-Port Sub Box Enclosure - Down4sound PRO-FAB V2 KERF 2-12  Enhance Your Car Audio System with the PROFAB V2 KERF PORT Subwoofer Enclosure Discover the ultimate addition to elevate...

Single 12 Inch KERF-Port Sub Box Enclosure - Down4sound PRO-FAB V2 KERF 1-12  NEW v2 Prefab aka PROFAB single 12 kerf ported sub box enclosure is made from top-of-the-line materials that are...

Quad 10 Inch Ported Sub box Enclosure (4 - 10) Down4sound PRO-FAB 4 10 Introducing the prefab aka profab Quad 10 Inch ported Sub Box, the ultimate solution to elevate your car audio experience. This...