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Down-Firing - Used - 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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QPower QBGMC122014DCAB Sealed Down-Firing Subwoofer Enclosure for 2014 - 2018 GMC, Chevrolet Sierra, Silverado Double Cab 1500 / 2500 / 3500 Truck - ( Black Bed-Liner )$174.99Out of stock- Designed to fit 2014 - 2018 GMC, Chevrolet Sierra, Silverado Double Cab 1500 / 2500 / 3500 truck
- Sealed 0.55 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
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QPower QBFORD102009DF Sealed Down-Firing Subwoofer Enclosure for 2009 - 2017 Ford F-150 SuperCrew Truck - ( Black Bed-Liner )$184.99Out of stock- Designed to fit 2009 - 2017 Ford F-150 SuperCrew truck
- Sealed 0.86 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
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QPower QBFORD122009DF Sealed Down-Firing Subwoofer Enclosure for 2009 - 2017 Ford F-150 SuperCrew Truck - ( Black Bed-Liner )$184.99Out of stock- Designed to fit 2009 - 2017 Ford F-150 SuperCrew truck
- Sealed 0.86 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
-
QPower QBGMC102007HT Sealed Down-Firing Subwoofer Enclosure for 2007 - 2017 GMC, Chevrolet Sierra, Silverado Extended Cab with High Transmission Truck - ( Black Bed-Liner )$185.99Out of stock- Designed to fit 2007 - 2017 GMC, Chevrolet Sierra, Silverado Extended Cab with High Transmission truck
- Sealed 0.62 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
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QPower QBGMC10DF Sealed Down-Firing Subwoofer Enclosure for 1996 - 2006 GMC, Chevrolet Sierra, Silverado Extended Cab 1500 / 2500 / 3500 Truck - ( Black Bed-Liner )$185.99Out of stock- 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
-
QPower QBGMC122007HT Sealed Down-Firing Subwoofer Enclosure for 2007 - 2013 GMC, Chevrolet Sierra, Silverado Extended Cab with High Transmission Truck - ( Black Bed-Liner )$188.99Out of stock- Designed to fit 2007 - 2013 GMC, Chevrolet Sierra, Silverado Extended Cab with High Transmission truck
- Sealed 0.62 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
-
QPower QBGMC12DF Sealed Down-Firing Subwoofer Enclosure for 1996 - 2006 GMC, Chevrolet Sierra, Silverado Extended Cab 1500 / 2500 / 3500 Truck - ( Black Bed-Liner )$193.99Out of stock- 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
-
QPower QBFORD04210 Ported / Vented Down-Firing Subwoofer Enclosure for 2004 - 2008 Ford F-150 SuperCrew Truck - ( Black Bed-Liner )$254.99Out of stock- 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
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