Dual 8" Ported Underseat Frontfiring MDF Subwoofer Enclosure (w/ Durable Bed Liner Finish) for 2017+ GMC/Chevy Crew Cab Trucks

Dual 8" Ported Underseat Frontfiring MDF Subwoofer Enclosure (w/ Durable Bed Liner Finish) for 2017+ GMC/Chevy Crew Cab TrucksDual 8" Ported Subwoofer Enclosure Box for 2007 Current GMC Chevy Crew Cab Bedliner Finish Upgrade your truck's audio system with this custom fit, dual 8 inch ported subwoofer enclosure, engineered specifically to fit perfectly under the rear seat of 2007 to current GMC Sierra and Chevy Silverado Crew Cab trucks. Designed to maximize your available cabin space without compromising on deep, heavy bass, this enclosure utilizes a highly efficient front

Dual 8" Ported Subwoofer Enclosure Box for 2007-Current GMC/Chevy Crew Cab – Bedliner Finish

Upgrade your truck's audio system with this custom-fit, dual 8-inch ported subwoofer enclosure, engineered specifically to fit perfectly under the rear seat of 2007 to current GMC Sierra and Chevy Silverado Crew Cab trucks. Designed to maximize your available cabin space without compromising on deep, heavy bass, this enclosure utilizes a highly efficient front-firing design. It boasts a precision-tuned port set at 35Hz, ensuring that your 8-inch subwoofers deliver the absolute maximum low-end punch and distortion-free output possible from your truck's floorboard.

Built to withstand extreme acoustic pressure and the wear-and-tear of daily use, this enclosure is constructed from high-quality 5/8-inch Medium-Density Fiberboard (MDF) to eliminate power-robbing box resonance. The exterior is completely coated in a heavy-duty, sprayed-on black bedliner finish, providing unmatched durability, moisture resistance, and a rugged aesthetic that seamlessly blends into your interior. Complete with premium spring-loaded push-pin terminals for a secure electrical connection, this box offers an incredible 11.25-inch mounting depth, easily accommodating heavy-duty, large-motor 8-inch subwoofers.

Key Features & Specifications

• Vehicle Fitment: Custom engineered to fit seamlessly under the rear seat of 2007-Current Chevy Silverado and GMC Sierra Crew Cab trucks
• Subwoofer Fitment: Features two exact 8-inch cutouts to accommodate a dual 8" subwoofer setup
• Enclosure Type: Ported / Vented design engineered for maximum SPL and deep bass output
• Tuning Frequency: Precision tuned at 35 Hz for hard-hitting, distortion-free low end
• Air Space: 0.80 Cubic Feet of internal volume per subwoofer (1.60 cu. ft. total)
• Maximum Mounting Depth: 11.25 inches — offers massive clearance for heavy-duty, deep-motor subwoofers
• Premium Construction: Built from rigid 5/8-inch MDF (Medium-Density Fiberboard) to prevent rattling and cabinet resonance
• Heavy-Duty Finish: Fully coated in a rugged, sprayed-on black bedliner finish for extreme durability, anti-slip grip, and moisture protection
• Wiring Terminals: Equipped with high-quality spring-loaded push-pin terminals for a secure and reliable connection to your amplifier
• Firing Direction: Under-seat Front-Fire design maximizes acoustic transfer directly into the cabin