We use cookies to make your experience better. To comply with the new e-Privacy directive, we need to ask for your consent to set the cookies. Learn more.
Sierra - Down-Firing - 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
-
QPower BQGMC10DF Sealed Down-Firing Subwoofer Enclosure for 1999 - 2006 GMC, Chevrolet Sierra, Silverado Extended Cab Truck - ( Dark Grey Carpet )$109.99Out of stock- 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
-
QPower BQGMC122007HT Sealed Down-Firing Subwoofer Enclosure for 2007 - 2013 GMC, Chevrolet Sierra, Silverado Extended Cab with High Transmission Truck - ( Dark Grey Carpet )$109.99Out 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 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
-
QPower BQGMC12DF Sealed Down-Firing Subwoofer Enclosure for 1999 - 2006 GMC, Chevrolet Sierra, Silverado Extended Cab Truck - ( Dark Grey Carpet )$109.99Out of stock- 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
-
QPower BQGMC102001HD Sealed Down-Firing Subwoofer Enclosure for 2001 - 2007 GMC, Chevrolet Sierra, Silverado Crew Cab 1500HD / 2500HD / 3500HD Truck - ( Dark Grey Carpet )$110.99Out of stock- 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
-
QPower BQGMC1020144DOOR Sealed Down-Firing Subwoofer Enclosure for 2014 - 2018 GMC, Chevrolet Sierra, Silverado Crew Cab 1500 / 2500 / 3500 Truck - ( Dark Grey Carpet )$112.99Out of stock- Designed to fit 2014 - 2018 GMC, Chevrolet Sierra, Silverado Crew Cab 1500 / 2500 / 3500 truck
- Sealed 0.625 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
-
QPower BQGMC102014DCAB Sealed Down-Firing Subwoofer Enclosure for 2014 - 2018 GMC, Chevrolet Sierra, Silverado Double Cab 1500 / 2500 / 3500 Truck - ( Dark Grey Carpet )$112.99Out 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) - 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
-
QPower BQGMC1220144DOOR Sealed Down-Firing Subwoofer Enclosure for 2014 - 2018 GMC, Chevrolet Sierra, Silverado Crew Cab 1500 / 2500 / 3500 Truck - ( Dark Grey Carpet )$112.99Out of stock- Designed to fit 2014 - 2018 GMC, Chevrolet Sierra, Silverado Crew Cab 1500 / 2500 / 3500 truck
- Sealed 0.625 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
-
QPower BQGMC122014DCAB Sealed Down-Firing Subwoofer Enclosure for 2014 - 2018 GMC, Chevrolet Sierra, Silverado Double Cab 1500 / 2500 / 3500 Truck - ( Dark Grey Carpet )$112.99Out 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 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
-
QPower BQGMC102007HT Sealed Down-Firing Subwoofer Enclosure for 2007 - 2013 GMC, Chevrolet Sierra, Silverado Extended Cab with High Transmission Truck - ( Dark Grey Carpet )$115.99Out 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) - 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
-
QPower BQGMC1020074DR Sealed Down-Firing Subwoofer Enclosure for 2007 - 2013 GMC, Chevrolet Sierra, Silverado Crew Cab 1500 / 2500 / 3500 Truck - ( Dark Grey Carpet )$119.99- Designed to fit 2007 - 2013 GMC, Chevrolet Sierra, Silverado Crew Cab 1500 / 2500 / 3500 truck
- Sealed 0.9 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
-
QPower BQGMC1220074DR Sealed Down-Firing Subwoofer Enclosure for 2007 - 2013 GMC, Chevrolet Sierra, Silverado Crew Cab 1500 / 2500 / 3500 Truck - ( Dark Grey Carpet )$119.99- Designed to fit 2007 - 2013 GMC, Chevrolet Sierra, Silverado Crew Cab 1500 / 2500 / 3500 truck
- Sealed 0.9 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
-
QPower BQGMC102007SCAB 10" Sealed Down-Firing Subwoofer Enclosure for 2007 - 2013 GMC, Chevrolet Sierra, Silverado Single Cab 1500 / 2500 / 3500 Truck - ( Dark Grey Carpet )$119.99Out of stock- Designed to fit 2007 - 2013 GMC, Chevrolet Sierra, Silverado Single Cab 1500 / 2500 / 3500 truck
- Sealed 0.9 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
-
QPower BQGMC122007SCAB 12" Sealed Down-Firing Subwoofer Enclosure for 2007 - 2013 GMC, Chevrolet Sierra, Silverado Single Cab 1500 / 2500 / 3500 Truck - ( Dark Grey Carpet )$119.99Out of stock- Designed to fit 2007 - 2013 GMC, Chevrolet Sierra, Silverado Single Cab 1500 / 2500 / 3500 truck
- Sealed 0.9 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
-
QPower QBGMC1020144DR Sealed Down-Firing Subwoofer Enclosure for 2014 - 2018 GMC, Chevrolet Sierra, Silverado Crew Cab 1500 / 2500 / 3500 Truck - ( Black Bed-Liner )$174.99Out of stock- Designed to fit 2014 - 2018 GMC, Chevrolet Sierra, Silverado Crew Cab 1500 / 2500 / 3500 truck
- Sealed 0.63 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 QBGMC102014DCAB 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) - 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
Who Bought This Also Bought
My Wish List
Last Added Items
You have no items in your wish list.
Related Articles & Videos
How to install a car stereo
Watch our video and read our blog for step-by-step instructions documenting the installation of a aftermarket car stereo receiver.
QualityMobileVideo Blog
Car Stereo Wiring Guide
Watch our video and read our blog for the proper wiring colors and their definitions. We explain wire-by-wire what these connections do for the installation of an aftermarket car stereo receiver.
QualityMobileVideo Blog