SUB BOXES & BOX DESIGNS

  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, it’s designed to handle the abuse of daily &...

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 delivers sharp, forward-stage projection in demo...

 Down4sound 1 - 15 ported Flat Pack 15 ported subwoofer box - DIY single 15 ported subwoofer enclosure. 3.55 Cube Single 15" Enclosure 32Hz Tuning .75" Birchwood Natural finish. Subwoofer cutout - 13.75" Mounting Depth -14" 30 in W x 20...

Are you in the market for a top-quality from birch wood ported 2 15 inch sub box flat pack? Look no further than our flat pack sub box, designed to give you the ultimate in flexibility and convenience when assembling your own subwoofer enclosure kit...

Are you in the market for a top-quality from birch wood ported 2 12 inch sub box flat pack? Look no further than our flat pack sub box, designed to give you the ultimate in flexibility and convenience when assembling your own subwoofer enclosure kit...

Are you in the market for a top-quality from birch wood ported 12 inch sub box flat pack? Look no further than our flat pack sub box, designed to give you the ultimate in flexibility and convenience when assembling your own subwoofer enclosure kit...

Are you in the market for a top-quality ported 10 inch sub box flat pack? Look no further than our flat pack sub box, designed to give you the ultimate in flexibility and convenience when assembling your own subwoofer enclosure kit. Crafted from...

Down4sound PRO-FAB HD3 15 | 1 15 Sub Box | Single 15-Inch HD Ported Subwoofer Enclosure Box High performance and extreme sound, that's what you can expect from Down4sound's "PRO-FAB HD3" Single 15 Inch Ported Subwoofer HD Birch Enclosure. With a THICK...

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 Down4sound's PRO-FAB HD3 Dual 12 Inch Ported Subwoofer HD Birch...

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 has been specially crafted to handle the planet’s...

TEAM 4 - 8 inch DIY Subwoofer Box Flatpack Kit Precut 4 8 ported subwoofer enclosure made with DIY flat pack subwoofer kit.  Adding 4 - 8 inch subwoofers should be a breeze because the MDF is a high strength, that's precut and predrilled. Not...