a custom-fit underseat subwoofer enclosure engineered specifically for Ford SuperCrew trucks. Designed to maximize bass performance while maintaining usable interior space, this enclosure features a durable downfire design that protects the subwoofers while delivering powerful low-frequency output. Features & Benefits Custom-fit enclosure for Ford SuperCrew trucks Designed for dual 10-inch subwoofers Downfire subwoofer configuration Underseat mounting design Durable spray-on bedliner finish Maximizes cabin space while adding deep bass Strong MDF construction for improved sound quality OEM-style fitment appearance Excellent for daily-driver and high-output systems Specifications Product Type: Vehicle-Specific Subwoofer Enclosure Model: QBFORD102009DF Subwoofer Compatibility: Dual 10-inch subwoofers Enclosure Type: Sealed / Downfire Vehicle Fitment: 2009-2026 Ford F-150 SuperCrew 2017-2026 Ford F-250/F-350 Super Duty Crew Cab Mounting Location: Under rear seat Construction Material: MDF wood Finish: Spray-on bedliner coating Air Space: 0.85 cubic feet per subwoofer Maximum Mounting Depth: 5 inches Configuration: Dual chamber design Vehicle Compatibility Compatible with select: Ford F-150 SuperCrew (2009-2026) Ford F-250 Super Duty Crew Cab (2017-2026) Ford F-350 Super Duty Crew Cab (2017-2026) Fitment may vary depending on seat configuration, factory storage options, and aftermarket accessories.