SoundBox - LCE-GC003/12D, Chevy Silverado / GMC Sierra Extended Cab Dual 12 Subwoofer Enclosure, 1999-2006

The QPower QLuxe Dual 12 Inch Sealed Subwoofer Enclosure is built for truck owners who want more than just bass—they want a clean, premium upgrade that actually matches their interior. Designed specifically for 2009-current Ford F150 Super Crew and 2017–2023 F250/F350 Super Crew models, this enclosure delivers a seamless, factory-like fit without sacrificing space or comfort.What sets this enclosure apart is the QLuxe vinyl finish. Unlike traditional carpeted or raw wood boxes, the high-end vinyl exterior offers a smoother, more refined look that blends naturally with your truck’s interior. It also resists wear, dust, and fraying over time, keeping your setup looking sharp long after installation.Constructed from durable MDF and wrapped in QLuxe vinyl, this enclosure combines structural strength with premium styling. The sealed design enhances sound accuracy, delivering tighter, more controlled bass that stays clean and responsive across all music types. Instead of loose or boomy output, you get bass that feels intentional and well-balanced.Designed with both performance and practicality in mind, the enclosure features rear wiring access for a cleaner, more organized installation. Its custom-fit shape ensures it integrates smoothly into your vehicle, making it ideal whether you're upgrading an existing system or building one from the ground up. The QPower QLuxe series proves that a subwoofer box can do more, offering premium vinyl styling, better durability than carpeted wood enclosures, and performance that complements your truck’s interior as much as your sound system.

This SoundBox Formed Series vehicle-specific subwoofer enclosure is built for Chevy Silverado Crew Cab 2014-2018, to hold double 12 subwoofers, for under rear seat installation. It features down-Firing subwoofer orientation, 5/8 Industrial Grade MDF construction, black finish, 1.84 Cubic Feet of airspace, rugged terminal cups that accept banana plugs or bare wire. Additional specs include 11" cutout, 5.5" mounting depth, dimensions of 49.50 W x 8 FH x 5.50 RH x 15.50 BD x 16 TD.

The Q-Power 12" subwoofer enclosure box is custom made for GMC and Chevy Extended Cab trucks, model year 1999 to 2006. This enclosure is designed to fit underneath the rear seats and boasts .95 cubic feet of air space.The Q-Power 12" subwoofer box is made from solid 5/8" MDF construction and features charcoal carpet covering, and terminal cup connectors. Turn your ride into a sound machine with the help of the Q-Power 12" Subwoofer Enclosure! If you want the most output for your money, this is the way to go. PLEASE NOTE: This Sub Box is made to fire downward