Summer Closeout Up to 70% off select models

Save on select car audio, mobile video, installation gear, and more while supplies last.

Shop Closeout Deals Limited quantities • While supplies last

2004 - 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.
Shop By
View as List Grid

11 Items

Set Descending Direction
  1. 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
  2. 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
  3. 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
  4. 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
  5. 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
  6. 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
  7. Qpower QBFORD102004 Subwoofer enclosure for 2004 - 2008 Ford F-150 SuperCrew
    QPower QBFORD102004 Ported / Vented Down-Firing Subwoofer Enclosure for 2004 - 2008 Ford F-150 SuperCrew Truck - ( Black Bed-Liner )
    $178.99
    • Designed to fit 2004 - 2008 Ford F-150 SuperCrew truck
    • Ported / Vented 0.7 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 QBFORD122004 Subwoofer enclosure for 2004 - 2008 Ford F-150 SuperCrew
    QPower QBFORD122004 Ported / Vented Down-Firing Subwoofer Enclosure for 2004 - 2008 Ford F-150 SuperCrew Truck - ( Black Bed-Liner )
    $178.99
    • Designed to fit 2004 - 2008 Ford F-150 SuperCrew truck
    • Ported / Vented 0.7 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
  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
  11. Qpower QBFORD04210 Subwoofer enclosure for 2004 - 2008 Ford F-150 SuperCrew
    QPower QBFORD04210 Ported / Vented Down-Firing Subwoofer Enclosure for 2004 - 2008 Ford F-150 SuperCrew Truck - ( Black Bed-Liner )
    $254.99
    • Designed to fit 2004 - 2008 Ford F-150 SuperCrew truck
    • Ported / Vented 0.8 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
per page
Who Bought This Also Bought
  1. Metra 82-3014 6" - 6-3/4" Front Speaker plates for 2015 - and Up Chevrolet Corvette
    Metra 82-3014 6" - 6-3/4" Front Speaker plates for 2015 - and Up Chevrolet Corvette
    $22.99
  2. Metra 99-7605 Dash Kit Turbokit DIN Infiniti G35 Coupe 2005-2007 and G35 Sedan 2005-2006 Vehicles
    Metra 99-7605 Dash Kit Turbokit DIN Infiniti G35 Coupe 2005-2007 and G35 Sedan 2005-2006 Vehicles
    $302.99
  3. Power Acoustik HR91CC Universal Headrest Monitor without DVD player
    Power Acoustik HR91CC Universal Headrest Monitor without DVD player
    $139.99
  4. Soundstream VR-624B 6.2" Double DIN DVD Receiver with Bluetooth
    Soundstream VR-624B 6.2" Double DIN DVD Receiver with Bluetooth
    $97.99
  5. Metra AC310 40" Wide x 50 Yard Long Acoustic Carpet - Navy Blue
    Metra AC310 40" Wide x 50 Yard Long Acoustic Carpet - Navy Blue
    $333.99
  6. Metra 44-US401 Antenna Replacement Side Mount Black Base with Spring - Stainless Steel
    Metra 44-US401 Antenna Replacement Side Mount Black Base with Spring - Stainless Steel
    $34.99
  7. Metra 99-8231 Single or Double DIN Installation Kit for 2002 - 2006 Toyota Camry
    Metra 99-8231 Single or Double DIN Installation Kit for 2002 - 2006 Toyota Camry
    $21.99
  8. Pyle PLMRB85 Two-Way Wake Board Speaker - Black 8", 300-Watts
    Pyle PLMRB85 Two-Way Wake Board Speaker - Black 8", 300-Watts
    $211.99
©2003-2022 Mobile Electronics Display and Accessories Co., Inc.