Specification AssemblyInstructions : [INCLUDED IN PRODUCT DOCUMENTATION] AudioDriverSize : 12 inches AudioDriverType : dynamic_driver AudioOutputMode : Stereo Brand : Rockville BulletPoint1 : DEEP, POWERFUL BASS: Ported design with 1.5 cu. ft. per chamber optimizes airflow, delivering rich, low-frequency sound for dual 12-inch subwoofers in your 2004-2006 GMC/Chevy Crew Cab Non-HD. BulletPoint2 : CUSTOM-FIT PRECISION: Engineered to fit perfectly under the rear seat of 2004-2006 GMC/Chevy Crew Cab Non-HD trucks, ensuring a secure, space-saving installation for your aftermarket audio system. BulletPoint3 : DURABLE CONSTRUCTION: Built from high-quality MDF with a black carpeted finish, this subwoofer box resists wear and complements your truck’s interior while supporting heavy-duty audio performance. BulletPoint4 : EASY AUDIO INTEGRATION: Designed for dual 12-inch subwoofers with a 10-inch mounting depth, this box simplifies setup for car audio enthusiasts seeking professional-grade sound in their trucks. BulletPoint5 : ENHANCED SOUND CLARITY: High-airflow port reduces distortion, providing clean, booming bass for music genres like hip-hop, rock, or EDM, ideal for elevating your in-truck listening experience. Color : Black CompatibleDevices : Smartphone, Laptop CompatibleDevices1 : Television CompatibleDevices2 : Laptop CompatibleDevices3 : Desktop CompatibleDevices4 : Home Theater CompatibleDevices5 : Gaming Console CompatibleWithVehicleType : Truck ConnectivityProtocol : aux, RCA ConnectivityTechnology : wired ControllerType : Corded electric ControlMethod : remote CustomerPackageType : FFP ExternallyAssignedProductIdentifier1 : 813177024867 ExternallyAssignedProductIdentifier2 : 0813177024867 ExternallyAssignedProductIdentifier3 : 00609098904476 FrequencyResponse : 34 hertz IncludedComponents : Subwoofer Enclosure, Speaker Terminals IndoorOutdoorUsage : indoor InputVoltage : 12 volts IsWaterproof : FALSE ItemName : Rockville Dual 12" Ported Subwoofer Box for 2004-2006 GMC/Chevy Crew Cab Non-HD, Deep Bass, Durable MDF, Custom Fit, for Truck Audio Enthusiasts ItemPackageDimensions_Height : 125.73 centimeters ItemPackageDimensions_Length : 21.59 centimeters ItemPackageDimensions_Width : 38.862 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : vehicle-subwoofer-boxes ItemVolume : 2.7 cubic_feet Manufacturer : Rockville Material : Medium-Density Fiberboard ModelName : REC99 ModelNumber : REC99 MountingType : bracket mount NumberOfBoxes : 1 NumberOfCircuits : 2 NumberOfItems : 1 NumberOfPowerLevels : 1 PackageLevel : unit PartNumber : REC99 PowerSourceType : Corded Electric ProductDescription : The Dual 12" Ported Subwoofer Box is designed for 2004-2006 GMC/Chevy Crew Cab Non-HD truck owners who demand powerful, high-quality bass. Tailored to fit seamlessly under the rear seat, this box houses dual 12-inch subwoofers, delivering deep, distortion-free sound for an immersive audio experience. Crafted from durable MDF with a sleek black carpeted finish, it combines rugged performance with a polished look that blends into your truck’s interior. The ported design maximizes airflow, producing louder and richer bass compared to sealed enclosures, making it perfect for music lovers and car audio enthusiasts. Key Features: Custom fit for 2004-2006 GMC/Chevy Crew Cab Non-HD trucks Supports dual 12-inch subwoofers with 10-inch mounting depth Ported enclosure with 1.5 cu. ft. per chamber for enhanced bass High-quality MDF construction with black carpet finish High-airflow port for reduced distortion and cleaner sound Whether you’re blasting hip-hop, rock, or EDM, this subwoofer box ensures your music hits hard. Ideal for aftermarket audio setups, it simplifies installation while elevating your truck’s sound system to professional levels. ProductSiteLaunchDate : 2018-01-04T20:42:58.823Z RecommendedUsesForProduct : construction ShellType : Hard Size : Single 15" Round SpeakerAmplificationType : Active SpeakerSize : 12 inches SpeakersMaximumOutputPower : 1000 watts SpeakerType : Subwoofer SpeakerType1 : Subwoofer SpeakerType2 : Woofer SpecificUsesForProduct : Car Audio, Home/General Use StreetDate : 2019-04-24T00:00:01Z Style : Basic/Functional SupplierDeclaredDgHzRegulation : not_applicable SurroundSoundChannelConfiguration : 2.0 TargetGender : unisex UnitCount : 1 UnspscCode : 52161500 VehicleSpeakerSize : 12_inch WarrantyDescription : 1 YEAR WarrantyType : Limited WaterResistanceLevel : not_water_resistant