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Sierra - 2003 - Male - 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 QBGMCX99210 Subwoofer enclosure for 1996 - 2006 GMC, Chevrolet Sierra, Silverado Extended Cab 1500 / 2500 / 3500
    QPower QBGMCX99210 Ported / Vented Up-Firing Subwoofer Enclosure for 1996 - 2006 GMC, Chevrolet Sierra, Silverado Extended Cab 1500 / 2500 / 3500 Truck - ( Black Bed-Liner )
    $238.99
    • Designed to fit 1996 - 2006 GMC, Chevrolet Sierra, Silverado Extended Cab 1500 / 2500 / 3500 truck
    • Ported / Vented 1.2 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
  2. Qpower QBGMCX99212 Subwoofer enclosure for 1996 - 2006 GMC, Chevrolet Sierra, Silverado Extended Cab 1500 / 2500 / 3500
    QPower QBGMCX99212 Ported / Vented Up-Firing Subwoofer Enclosure for 1996 - 2006 GMC, Chevrolet Sierra, Silverado Extended Cab 1500 / 2500 / 3500 Truck - ( Black Bed-Liner )
    $238.99
    • Designed to fit 1996 - 2006 GMC, Chevrolet Sierra, Silverado Extended Cab 1500 / 2500 / 3500 truck
    • Ported / Vented 1.2 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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