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Your cart is empty.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
Jesse
Reviewed in Canada on February 17, 2025
Box arrived with the corner broken off, we put two alpine type S subwoofers in it and they blow the box apart. Garbage.
Customer
Reviewed in the United States on December 28, 2024
Purchased this after the under the Seat option didn't work. Need to be careful because the extended cab and the Crew cab don't interchange. This is specifically for the Crew cab 4 door behind the seats, and they fit just fine. It's a snug fit to the back seat but ultimately, they fit and work just fine. Sounds good!!
Krazy Tree Guy
Reviewed in the United States on July 26, 2021
This box fits perfect under my back seat . I have a 2002 Chevy Duramax Dually crew cab . It sounds killer . I have 2 -12” planet audio subs and a planet audio 3000 watt d class amp.
Louis L.
Reviewed in the United States on July 15, 2021
The box fits perfect, easy install, and it got here pretty quick. I put 2 Fosgate low profile 12's in and it's exactly what I wanted. The box has a spot for your amp under the seat too. Great deal, does exactly what it's supposed to do.
vincent lynch
Reviewed in the United States on March 17, 2021
It could use a good sealing mines has started blowing apart and making air noise
Shane
Reviewed in the United States on November 19, 2020
Not much air space.
JessMatt Miller
Reviewed in the United States on April 6, 2020
Fit great looke good under my seat 01 gmc tuck
catherineltait
Reviewed in the United States on June 12, 2015
Item fit awesome and delivery was fast
Shane
Reviewed in the United States on January 2, 2015
Fit perfect. Great price, The terminal cup pops out when you try to connect the wires but otherwise a nice box. A little glue and we were in business. Thanks
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