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Rockville

Rockville REC76 Dual 10" Subwoofer Enclosure Box for 2004-2012 Chevy Colorado/Canyon Crew Cab, Sealed Underseat Fit, 0.66 cu ft Air Space, 3.5" Mounting Depth

  • Based on 40 reviews
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Returnable until Jan 31, 2026

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Features

  • CUSTOM FIT: Designed for 2004-2012 Chevy Colorado/Canyon Crew Cab, this dual 10" sealed subwoofer box fits under the rear bench seat for a space-saving bass upgrade.
  • OPTIMIZED PERFORMANCE: Provides 0.66 cubic feet of air space per sub with a 3.5" mounting depth, ensuring proper fitment and tight, accurate bass response.
  • QUALITY BUILD: Constructed from durable MDF with a sealed design to resist vibrations and deliver consistent sound performance.
  • INSTALLATION NOTE: Fits neatly under the rear seat; however, seat removal is required for proper installation. Grilles are recommended for added protection.
  • ENHANCE YOUR SOUND: Perfect for car audio enthusiasts seeking distortion-free, powerful bass for daily driving or road trips.

Description

The Rockville REC76 Dual 10" Subwoofer Enclosure Box is custom-built for 2004-2012 Chevrolet Colorado and GMC Canyon Crew Cab trucks. This sealed enclosure fits under the rear bench seat, delivering deep and accurate bass while maximizing interior space. Specifications include 0.66 cubic feet of air space per sub and a 3.5" mounting depth, supporting a wide range of 10" subwoofers (not included). Built from high-quality MDF, the enclosure minimizes vibrations for clean, distortion-free performance. Installation requires seat removal for a secure fit, and grilles are recommended to protect your subs. Whether you're commuting or traveling long distances, the REC76 enhances your music with tight, powerful bass, making it a great choice for car audio enthusiasts looking to upgrade their truck's sound system.

Product Dimensions: 42 x 12 x 4.25 inches


Item Weight: 17 pounds


Item model number: REC76


Is Discontinued By Manufacturer: No


Date First Available: May 8, 2016


Manufacturer: Rockville


Frequently asked questions

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Top Amazon Reviews

    • Fits
Sounds good
Reviewed in the United States on September 12, 2025 by Terrance Nathan
    • Good
Fit perfect
Reviewed in the United States on August 1, 2025 by Miguel Castillo
    • Works but requires modification.
Review Image by aarliann aarliann
Review Image by aarliann aarliann
I was hoping this box would be a drop in fit for my first 05 Colorado LT (crew cab) but you will need an angle grinder or something to cut a little off one factory seat mounting post. To mount you’ll also need subwoofer grille guards, or else the weight of the passengers will weigh on the cones and the subs will hit the bottoms of the seat. To install, I chose to cut a portion of one of the two front mounting feet, (it’s only four 18mm nuts to remove the entire rear seat from the four posts) I did this without taking the seats completely out of the vehicle but you will need another persons help. Push the front seats as forward as you can and recline them forwards. On the back seats, loosen the two nuts in the front, two in the back then pull as much slack from the center seatbelt as you can, and try to hold it taught till you can get the box in. Then lift the rear seats straight up from the protruding studs and twist the seats towards the front of the vehicle, so that the mounting posts are facing the bed. You should see there’s a metal bracket on the floor smack under the middle seat where your box should go, it’s held down by two 10mil bolts so pull that off as it’s gonna block the box. Now slide the box into place (T shaped box, have the flat top of the T shape facing towards the bed and the skinnier portion facing towards the hood, subs facing up of course) and determine how much you’ll need to cut. I tried to squeeze the seats in without cutting and tore up a portion of the fabric on the brand new box with the metal seat posts. Cutting seems to be a must for proper fitment which really sucks on a custom box! once it’s cut you’ll notice the back posts sit flush like how they were prior to removal, your front two posts will be lifted up a fair bit probably just shy of the front studs, you’ll need decent weight on the seat to get enough thread exposed to start tightening. Once installed, the box works great! Was hard to find decent subs that could fit the mounting depth of this enclosure but I’m more than satisfied with the ones I’ve chosen and the sound it makes! Once installed under the seats it’s hard to even notice it’s there unless the bass is hitting. I waited a long time before deciding to purchase this box some price under $80 which isn’t too bad, but needing special tools to modify my vehicle for a box that should be custom to the chassis sucks. I’d expect perfect fitment for something specifically made to live in this truck! ... show more
Reviewed in the United States on January 19, 2025 by aarliann aarliann
    • Don’t fit
Seat is right on top of my box and I have 3/4” of an inch underneath the mounting brackets of the seat I’m gonna have to make spacers and my back seats won’t ever shut normal again but hey they better then my 4, 6 inch sub box that I made for the Colorado that fit good but blew out my speakers and wanted and upgrade it sucks any mods on the Colorado never fit unless you do it yourself ... show more
Reviewed in the United States on April 11, 2024 by Paul
    • Very tight fit but fits
Very tight fit but fits, these only fit slim 3.5” depth subs,
Reviewed in the United States on May 29, 2025 by Tom S
    • Decent box
Great little box. I did have to cut and lift the seat for it to fit though. You will have to buy grills to cover or you will damage the speaker if anyone sits in the seat.
Reviewed in the United States on September 25, 2019 by Amazon Customer
    • Well…
Okay so, I was really excited to buy this box because before I just had a massive box sitting in my floor board and it basically made the whole back seat unacceptable unless you were very flexible. Well, needless to say this box barley and I mean BARLEY works. The subs (they are low profiles) just barley miss the top of the seats and in all honesty the length of this box could have been shaved down about a inch on both sides and it would have slid on in with ease but with the notches on the sides it kept catching the brackets of the chair as you try to set it all back up. Can’t fit a cage either unless you improvised. I would not recommend this product unless you are good with ingenuity. ... show more
Reviewed in the United States on December 23, 2021 by Dalton
    • Not bad
Review Image by A. Ventura A. Ventura
I bought this box because I wanted a box that's made specifically for under the seat of the 4 door Chevy Colorado. I replaced the speaker terminals with better ones. I had to cut the corners of the feet on the seat because it wouldn't fit the box. I'm currently waiting on the speaker grills to finish the install. ... show more
Reviewed in the United States on January 4, 2024 by A. Ventura A. Ventura

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