Specification AudioDriverSize : 12 inches AudioDriverType : dynamic_driver AudioOutputMode : Mono Brand : NVX BulletPoint : *TW12* EMPTY SPLIT WOOFER BOX ANGLE 12"; Mounts behind seat BulletPoint1 : Perfect Fit for Silverado & Sierra: Custom-designed to fit 2008–2013 Chevrolet Silverado & GMC Sierra Extended Cab trucks for a seamless factory-like installation. BulletPoint2 : Dual 12” Down-Firing Design: Holds two 12" subwoofers in sealed chambers, providing deep, clean bass while maintaining cabin space—ideal for stealthy under-seat installs. BulletPoint3 : Built to Last: Crafted from durable 3/4" MDF with CNC precision cutting for structural integrity and superior acoustic performance. BulletPoint4 : Premium Aesthetic: Wrapped in high-quality automotive-grade carpet, this enclosure blends effortlessly into your truck’s interior. BulletPoint5 : Ready for Your Build: Features a mounting depth of 4.75", cutout diameter of 11-1/8", and .5 cu ft per chamber—perfect for compact or shallow-mount subwoofers. BulletPoint6 : Wide Frequency Range: Delivers a frequency response of 25-350 Hz and a sensitivity of 88 dB for an immersive audio experience. BulletPoint7 : Easy Installation: Quickly and easily mounts to the interior tailgate panel for a secure and convenient setup. Color : Black CompatibleDevices1 : Smartphone CompatibleDevices2 : MP3 Player CompatibleDevices3 : Laptop CompatibleWithVehicleType : Car ConnectivityProtocol : Bluetooth ConnectivityTechnology : Bluetooth ControlMethod : touch ExternallyAssignedProductIdentifier1 : 0810021845845 ExternallyAssignedProductIdentifier2 : 810021845845 Hazmat1 : MAGNETIZED MATERIAL Hazmat10 : DE_NoAir Hazmat11 : EG_NoAir Hazmat12 : ES_NoAir Hazmat13 : FR_NoAir Hazmat14 : GB_NoAir Hazmat15 : IE_NoAir Hazmat16 : IN_MagnetizedMaterial Hazmat17 : IT_NoAir Hazmat18 : JP_NoAir Hazmat19 : MX_MagnetizedMaterial Hazmat2 : UN2807 Hazmat20 : NL_NoAir Hazmat21 : PL_NoAir Hazmat22 : SA_NoAir Hazmat23 : SE_NoAir Hazmat24 : SG_NoAir Hazmat25 : TR_NoAir Hazmat26 : US_MagnetizedMaterial Hazmat27 : ZA_NoAir Hazmat3 : 9 Hazmat4 : AE_NoAir Hazmat5 : AU_NoAir Hazmat6 : BE_NoAir Hazmat7 : BR_MagnetizedMaterial Hazmat8 : CA_MagnetizedMaterial Hazmat9 : CN_MagnetizedMaterial IncludedComponents : subwoofer enclosure IsWaterproof : FALSE ItemName : NVX VE-GM-SLVECG2-D12S Custom Dual 12" Down-Firing Subwoofer Enclosure for Chevy Silverado & GMC Sierra Extended Cab 2008-2013 – Sealed, Empty, MDF Box – Vehicle-Specific Fit ItemPackageDimensions_Height : 16 inches ItemPackageDimensions_Length : 23 inches ItemPackageDimensions_Width : 20 inches ItemPackageQuantity : 1 ItemTypeKeyword : vehicle-subwoofer-boxes Manufacturer : NVX ModelName : QTW12STW12 ModelNumber : vegmslvecg2d12s MountingType : Flush Mount NumberOfItems : 1 PartNumber : vegmslvecg2d12s PowerSourceType : Corded Electric ProductDescription : Upgrade your truck’s bass without sacrificing space with the NVX VE-GM-SLVECG2-D12S, a dual 12-inch sealed down-firing subwoofer enclosure custom built for 2008–2013 Chevrolet Silverado and GMC Sierra Extended Cab trucks. This enclosure is the perfect blend of precision, performance, and durability. It’s CNC-cut for exact vehicle fitment and hand-assembled to ensure flawless craftsmanship. Constructed from 3/4" MDF, it’s built to withstand the rigors of the road while delivering rock-solid sound reproduction. The down-firing sealed design helps protect your subwoofers from accidental damage while enhancing low-end response by coupling the bass with the cabin floor. Internally, each chamber provides 0.5 cubic feet of air space, making it ideal for compact or shallow-mount subs. Finished in premium carpet, this enclosure looks as good as it performs—blending perfectly into your truck’s cabin. With 4.75” mounting depth and 11-1/8” cutouts, it's ready for your next custom audio build. ProductSiteLaunchDate : 2025-04-09T18:33:22.416Z Size : Dual 12-inch SpeakerSize : 12 inches SpeakersMaximumOutputPower : 400 watts SpeakerType : Woofer SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 2 UnspscCode : 52161600 WarrantyDescription : 1-year Manufacturer's Warranty WarrantyType : Limited WirelessCommunicationTechnology : Bluetooth