Upgrade your truck's audio system with the Q Power QBGMC04210 Dual 10" Ported Subwoofer Enclosure. Specifically designed for 2004-2006 Chevrolet Silverado and GMC Sierra Non-HD Crew Cab trucks, this vehicle-specific enclosure delivers powerful bass while maintaining a clean, factory-style appearance. The forward-firing ported design maximizes low-frequency output and sound projection, making it an excellent choice for truck owners who want hard-hitting bass without sacrificing cabin space. Features Custom Vehicle-Specific Dual 10" Subwoofer Enclosure Fits 2004-2006 Chevrolet Silverado & GMC Sierra Non-HD Crew Cab Models Forward-Firing Ported Design Mounts Behind Rear Seat Fits Between Factory Air Ducts Durable Bed Liner Coating Maximized Bass Output and Sound Projection Factory-Style Installation Heavy-Duty MDF Construction Ideal for Daily Driver and High-Output Audio Systems Specifications Part Number: QBGMC04210 Enclosure Type: Ported / Vented Subwoofer Size: Dual 10" Air Space: 0.60 Cubic Feet Per Subwoofer Mounting Depth: 5.5" Tuning Frequency: 34 Hz Exterior Dimensions: 49.5" W x 14.25" H x 6.75" D Finish: Black Bed Liner Coating Mounting Location: Behind Rear Seat Speaker Orientation: Forward-Firing Vehicle Compatibility Fits: Chevrolet Silverado 1500 Crew Cab (2004-2006 Non-HD) GMC Sierra 1500 Crew Cab (2004-2006 Non-HD) Note: Requires removal of the factory jack for proper installation. Designed for Crew Cab models with rear seats that fold upward toward the back wall. Not compatible with HD models.
