Down4Sound

  The D4S Quad 6.5″ Chamfer Roof Pod is purpose-built for loud installs that demand durability, structure, and pro-level styling. Coated in a tough black polyurea bedliner-style finish,...

This Down4Sound Quad 6.5″ Overhead Speaker Pod is engineered for roof-mounted installations where output and clarity matter most. Designed to house four midrange drivers and two tweeters, it...

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...

Build your own high-performance subwoofer enclosure with the Down4Sound PRO-FAB Birch Flat Pack Single 10, a DIY ported sub box designed for audio enthusiasts and DIY lovers. This flat pack includes...

Create your own high-performance subwoofer enclosure with the Down4Sound PRO-FAB Birch Flat Pack Dual 6.5, a DIY ported sub box crafted for exceptional sound quality and custom car audio projects...

Down4sound - Single 8 Inch Ported Sub Box enclosure (PROFAB BOX) Take your DIY audio project to the next level with the Down4Sound PRO-FAB DIY Flat Pack, tailored for a single 8-inch subwoofer. This...

Build a powerful bass experience with the Down4Sound PRO-FAB Birch DIY Flat Pack, designed for four 6.5-inch subwoofers. This quad 6.5-inch ported subwoofer enclosure kit is perfect for DIY...

Down4Sound PRO-FAB Birch Flat Pack Dual 8-Inch Ported Subwoofer Enclosure Box - DIY Kit with Precise Dimensions for Superior Bass  Elevate your car audio game with the Down4Sound PRO-FAB Birch...

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...