Give your GMC or Chevy's audio system a rockin' sound with this Q-Power Dual 12-Inch Subwoofer Box.This sub box is for 2014-2016 crew cab trucks and is finished with a bed liner coater for enhanced durability. It is compatible with 12-inch speakers and sealed for universal downfire under the seat. It fits in most trucks and is ready to deliver deep and powerful bass. It features high-quality spring-loaded terminals and 0.9 cubic feet of air space.Take your ride from boring to bumping with this Q-Power Dual 12-Inch Sub Box. You'll feel like you are at your own concert with every drive.

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

The CompRT Down-Firing Subwoofer Enclosures come loaded with a passive reFLEX subwoofer and KICKER CompRT active subwoofers. The patented design of the TRTP was created in-house by KICKER engineers. The new benchmark in ultra-thin, pre-loaded enclosures, the TRTP’s unique shape and beefy construction are the perfect combination of convenience and reliability. Place the TRTP under your truck seat or cargo area for great bass – no grille needed! Covered in stylish black carpeting and built with thick MDF, these tough enclosures take serious power without taking up needed space. Heat is the enemy of endurance. To make our subs even more reliable, KICKER engineers developed Forced-Air Cooling to help our CompRT subs run 25 percent cooler. RoHS Compliant.