DIY FLATPACK SUBWOOFER KITS

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. Designed for dual 6.5-inch subwoofers, this kit features...

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 ported enclosure kit is precision-engineered to...

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 Flat Pack Dual 8, a DIY ported subwoofer enclosure kit...

 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...

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...