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2003 - Down-Firing - Round - Subwoofer Boxes

Different enclosure types such as bass reflex, acoustic suspension, infinite baffle, horn loaded, tapped horn, transmission line and bandpass are available for subwoofers or subs. Many subwoofer boxes are constructed with medium-density fiberboard, oriented strand board (OSB), plywood, plastic or other dense materials.
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  1. Qpower BQFORD10DF Subwoofer enclosure for 2000 - 2003 Ford F-150 SuperCab
    QPower BQFORD10DF Sealed Down-Firing Subwoofer Enclosure for 2000 - 2003 Ford F-150 SuperCab Truck - ( Dark Grey Carpet )
    $96.99
    • Designed to fit 2000 - 2003 Ford F-150 SuperCab truck
    • Sealed 0.7 cubic foot (Per Driver) enclosure for (2) - 10 inch subwoofers
    • Subwoofer enclosure is finished in Dark Grey Carpet
    • Enclosure requires the use of shallow mount 10 inch drivers for easy fitment
    • Constructed out of High-Grade 5/8" MDF (Medium Density Fiberboard)
    • Glued and internally braced for minimal resonance
    Learn More
  2. Qpower BQFORD12DF Subwoofer enclosure for 2000 - 2003 Ford F-150 SuperCab
    QPower BQFORD12DF Sealed Down-Firing Subwoofer Enclosure for 2000 - 2003 Ford F-150 SuperCab Truck - ( Dark Grey Carpet )
    $101.99
    • Designed to fit 2000 - 2003 Ford F-150 SuperCab truck
    • Sealed 1.2 cubic foot (Per Driver) enclosure for (2) - 12 inch subwoofers
    • Subwoofer enclosure is finished in Dark Grey Carpet
    • Enclosure requires the use of shallow mount 12 inch drivers for easy fitment
    • Constructed out of High-Grade 5/8" MDF (Medium Density Fiberboard)
    • Glued and internally braced for minimal resonance
    Learn More
  3. Qpower BQGMCAVALANCHE10 Subwoofer enclosure for 2002 - 2013 Cadillac, Chevrolet Avalanche, Escalade EXT
    QPower BQGMCAVALANCHE10 Sealed Down-Firing Subwoofer Enclosure for 2002 - 2013 Cadillac, Chevrolet Avalanche, Escalade EXT Truck - ( Dark Grey Carpet )
    $101.99
    • Designed to fit 2002 - 2013 Cadillac, Chevrolet Avalanche, Escalade EXT truck
    • Sealed 0.5 cubic foot (Per Driver) enclosure for (2) - 10 inch subwoofers
    • Subwoofer enclosure is finished in Dark Grey Carpet
    • Enclosure requires the use of shallow mount 10 inch drivers for easy fitment
    • Constructed out of High-Grade 5/8" MDF (Medium Density Fiberboard)
    • Glued and internally braced for minimal resonance
    Learn More
  4. Qpower BQGMC10DF Subwoofer enclosure for 1999 - 2006 GMC, Chevrolet Sierra, Silverado Extended Cab
    QPower BQGMC10DF Sealed Down-Firing Subwoofer Enclosure for 1999 - 2006 GMC, Chevrolet Sierra, Silverado Extended Cab Truck - ( Dark Grey Carpet )
    $109.99
    • Designed to fit 1999 - 2006 GMC, Chevrolet Sierra, Silverado Extended Cab truck
    • Sealed 0.95 cubic foot (Per Driver) enclosure for (2) - 10 inch subwoofers
    • Subwoofer enclosure is finished in Dark Grey Carpet
    • Enclosure requires the use of shallow mount 10 inch drivers for easy fitment
    • Constructed out of High-Grade 5/8" MDF (Medium Density Fiberboard)
    • Glued and internally braced for minimal resonance
    Learn More
  5. Qpower BQGMC12DF Subwoofer enclosure for 1999 - 2006 GMC, Chevrolet Sierra, Silverado Extended Cab
    QPower BQGMC12DF Sealed Down-Firing Subwoofer Enclosure for 1999 - 2006 GMC, Chevrolet Sierra, Silverado Extended Cab Truck - ( Dark Grey Carpet )
    $109.99
    • Designed to fit 1999 - 2006 GMC, Chevrolet Sierra, Silverado Extended Cab truck
    • Sealed 0.95 cubic foot (Per Driver) enclosure for (2) - 12 inch subwoofers
    • Subwoofer enclosure is finished in Dark Grey Carpet
    • Enclosure requires the use of shallow mount 12 inch drivers for easy fitment
    • Constructed out of High-Grade 5/8" MDF (Medium Density Fiberboard)
    • Glued and internally braced for minimal resonance
    Learn More
  6. Qpower BQGMC102001HD Subwoofer enclosure for 2001 - 2007 GMC, Chevrolet Sierra, Silverado Crew Cab 1500HD / 2500HD / 3500HD
    QPower BQGMC102001HD Sealed Down-Firing Subwoofer Enclosure for 2001 - 2007 GMC, Chevrolet Sierra, Silverado Crew Cab 1500HD / 2500HD / 3500HD Truck - ( Dark Grey Carpet )
    $110.99
    • Designed to fit 2001 - 2007 GMC, Chevrolet Sierra, Silverado Crew Cab 1500HD / 2500HD / 3500HD truck
    • Sealed 0.5 cubic foot (Per Driver) enclosure for (2) - 10 inch subwoofers
    • Subwoofer enclosure is finished in Dark Grey Carpet
    • Enclosure requires the use of shallow mount 10 inch drivers for easy fitment
    • Constructed out of High-Grade 5/8" MDF (Medium Density Fiberboard)
    • Glued and internally braced for minimal resonance
    Learn More
  7. Qpower QBGMCAVALANCHE10DF Subwoofer enclosure for 2002 - 2013 Cadillac, Chevrolet Avalanche, Escalade EXT
    QPower QBGMCAVALANCHE10DF Sealed Down-Firing Subwoofer Enclosure for 2002 - 2013 Cadillac, Chevrolet Avalanche, Escalade EXT Truck - ( Black Bed-Liner )
    $148.99
    • Designed to fit 2002 - 2013 Cadillac, Chevrolet Avalanche, Escalade EXT truck
    • Sealed 0.5 cubic foot (Per Driver) enclosure for (2) - 10 inch subwoofers
    • Subwoofer enclosure is finished in Black Bed-Liner
    • Enclosure requires the use of shallow mount 10 inch drivers for easy fitment
    • Constructed out of High-Grade 5/8" MDF (Medium Density Fiberboard)
    • Glued and internally braced for minimal resonance
    Learn More
  8. Qpower QBJEEP10DF Subwoofer enclosure for 1996 - 2018 Jeep Wrangler CJ5/CJ7
    QPower QBJEEP10DF Sealed Down-Firing Subwoofer Enclosure for 1996 - 2018 Jeep Wrangler CJ5/CJ7 Truck - ( Black Bed-Liner )
    $169.99
    • Designed to fit 1996 - 2018 Jeep Wrangler CJ5/CJ7 truck
    • Sealed 1.25 cubic foot (Per Driver) enclosure for (2) - 10 inch subwoofers
    • Subwoofer enclosure is finished in Black Bed-Liner
    • Enclosure requires the use of shallow mount 10 inch drivers for easy fitment
    • Constructed out of High-Grade 5/8" MDF (Medium Density Fiberboard)
    • Glued and internally braced for minimal resonance
    Learn More
  9. Qpower QBGMC10DF Subwoofer enclosure for 1996 - 2006 GMC, Chevrolet Sierra, Silverado Extended Cab 1500 / 2500 / 3500
    QPower QBGMC10DF Sealed Down-Firing Subwoofer Enclosure for 1996 - 2006 GMC, Chevrolet Sierra, Silverado Extended Cab 1500 / 2500 / 3500 Truck - ( Black Bed-Liner )
    $185.99
    • Designed to fit 1996 - 2006 GMC, Chevrolet Sierra, Silverado Extended Cab 1500 / 2500 / 3500 truck
    • Sealed 0.9 cubic foot (Per Driver) enclosure for (2) - 10 inch subwoofers
    • Subwoofer enclosure is finished in Black Bed-Liner
    • Enclosure requires the use of shallow mount 10 inch drivers for easy fitment
    • Constructed out of High-Grade 5/8" MDF (Medium Density Fiberboard)
    • Glued and internally braced for minimal resonance
    Learn More
  10. Qpower QBGMC12DF Subwoofer enclosure for 1996 - 2006 GMC, Chevrolet Sierra, Silverado Extended Cab 1500 / 2500 / 3500
    QPower QBGMC12DF Sealed Down-Firing Subwoofer Enclosure for 1996 - 2006 GMC, Chevrolet Sierra, Silverado Extended Cab 1500 / 2500 / 3500 Truck - ( Black Bed-Liner )
    $193.99
    • Designed to fit 1996 - 2006 GMC, Chevrolet Sierra, Silverado Extended Cab 1500 / 2500 / 3500 truck
    • Sealed 0.9 cubic foot (Per Driver) enclosure for (2) - 12 inch subwoofers
    • Subwoofer enclosure is finished in Black Bed-Liner
    • Enclosure requires the use of shallow mount 12 inch drivers for easy fitment
    • Constructed out of High-Grade 5/8" MDF (Medium Density Fiberboard)
    • Glued and internally braced for minimal resonance
    Learn More
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