American Sound Connection ASC GM2X12AVECL Compatible with Chevy Silverado or GMC Sierra HD Crew Cab Truck 2002-2013 Dual 12" Subwoofer Underseat Sub Box Speaker Enclosure
Condition: New
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Availability:
In Stock.
Arrives
Aug 1 – Aug 3
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Features
- BUILT WITH FINE DETAIL: The ASC GM2X12-AV-ECL-US_2 is constructed with precision and durability in mind. It features a high-grade construction that ensures long-lasting performance. The enclosure is crafted from sturdy and robust materials, making it capable of withstanding the demands of powerful subwoofers and the rigors of daily use.
- AUDIO EXCELLENCE: This enclosure is engineered for optimal sound quality. Its design, size, and internal air volume are all carefully calibrated to maximize the performance of your dual 12-inch subwoofers. With this enclosure, you can expect deep, punchy bass and improved overall audio clarity. Whether you're playing your favorite music or enjoying a cinematic experience on the road, this enclosure enhances the bass response and adds depth to your audio.
- CUSTOM FIT: The GM2X12-AV-ECL-US is meticulously designed to fit seamlessly into 2002-2013 Cadillac Escalade EXT models. It maximizes available cargo space while preserving the aesthetics of the vehicle's interior. This enclosure is expertly configured to house two 12-inch subwoofers, providing a substantial amount of surface area to move air and produce deep, resonant bass notes.
- DIMENSIONS: Width 48" x Height 6" x Depth 16-3/4"
- ADDITIONAL ITEM SPECS: Mounting Depth of 4.50" making it compatible with the majority of 12" subwoofer and a total Air Space of 0.48 Cubic Feet for increased output
Product Dimensions: 7 x 18 x 7 inches
Item Weight: 30.3 pounds
Item model number: GM2X12-AV-ECL-US_2
Is Discontinued By Manufacturer: No
Date First Available: February 13, 2014
Manufacturer: American Sound Connection
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Aug 1 – Aug 3
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
LITERALLY DONT BELIEVE WHAT U READ. Like a lot of other people who have read the reviews on this box It took me a long time to bite the bullet because of everyone saying that it won't fit with out trimming anything or that it was a really tight fit. Either I'm lucky or the box is right idk but it fit just fine in my 2002 2500hd crew cab didn't fit tight, didn't have to trim anything on the box or seat. Seats closed perfectly as well. Overall no issues at all
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Reviewed in the United States on May 14, 2026 Reviewed in the United States on May 14, 2026 by Robert
This is junk and a waste of money do not buy this box tried it in a 06 Chevy 1500 4 door and the seats won't close people say to take the jack out but that doesn't make any sense when the jack is behind the seat and the box goes under them just buy a good one
Reviewed in the United States on August 10, 2025 by Zack
So for starters, as many have stated, this box does fit pretty tight. However, many say it doesn't fit in HD trucks, this is not true. I installed it in my 06 Gmc Sierra 2500hd crew cab. When I first set it down, I was like "dang, I must be among the unlucky ones who's box wont fit", but im stubborn and refuse to be defeated by a stupid sub box.... I was considering grinding down my seat brackets in the corners where it seemed it wasnt going to fit, but after assessing the situation more, I had to wiggle it around quite a bit, lift different spots of the box to get it to drop down, and I had to persuade it with a little force. Eventually I got it to sit snug all the way to the floor on both sides, and middle. I gave it 4 stars, as the finish and build quality of the box is pretty dang good, knocked off a star for having to rip up the carpet on the side of the box from such a tight squeeze on the seat brackets. The seats are able to latch all the way without interfering with the subs themselves. I was concerned with my sub fitment, as the specs state 4.5" mounting depth, and my Alpines are 5" & 5/16" mounting depth, but even after i stuffed the box with polyfill, they still sat down with very little room to spare from the magnet to the bottom of the box. I can't review sound quality as of yet, since my entire audio system is torn apart currently, and being revamped.
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Reviewed in the United States on March 11, 2026 Reviewed in the United States on March 11, 2026 by Tubeofpaste
while deciding whether or not to buy this product, I read every single review on this site. the biggest percentage of the reviews were either not good, or completely negative. I am happy to say I paid no attention to the negative reviews and went ahead and ordered this product. I have a 2003 GMC Sierra 3500 crew cab, and it absolutely fits perfect. the reviews about the speaker wires getting hit by people's feet, I cannot understand because when installed correctly the speaker wires are facing the rear? the only thing I can think is maybe the manufacturer has changed the design of the box because the speaker wire inserts are perfectly located. the manufacturer definitely used every single square inch available, while still having a snug fit. it sounds awesome. another thing is I assumed and I believe that there were several comments that they are down firing , they are not they are up firing. also someone said that the weight of a passenger would be mashing against the subwoofer, this too is untrue, the underside of the seat on this vehicle is empty so the only thing that is rubbing against the sub is carpet. I give this product 5 stars and will absolutely buy again. the box is definitely high quality and built with good materials and is very sturdy. I was impressed especially with the price being so cheap. if you have a similar vehicle to mine... you will not be disappointed.
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Reviewed in the United States on July 6, 2018 Reviewed in the United States on July 6, 2018 by Shane on ur side
I drive a 2004 Silverado 1500. The box did not fit my pickup. My only guess is that it was because it was not an HD truck, so I can’t give an honest review as to if it fits or not. It is advertised for HD trucks, but I didn’t think it would affect it much. When I tried putting it in one side would lock in to place, and the seats wouldn’t close. If I tried to force it shut the box would move diagonally, and wouldn’t allow the other side to shut. I’m sure with some extra modifications it could work, but in my opinion it isn’t worth the extra hassle. I do not recommend this box for trucks that aren’t Heavy Duty.
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Reviewed in the United States on March 19, 2024 by Amazon Customer
Fits my 2006 Chevy 2500HD LBZ Duramax. Tight fit but seats close and subs have enough room. You will need to remove the jack under the passenger side seat.
Reviewed in the United States on March 16, 2025 by Grant
Okay box but doesn’t fit right. The line up between the ends to fit in between the seat brackets underneath isn’t good. Shoving it in and tweaking it to fit isn’t cool. The seats lay down right on top of the speakers so they sound ugly. I had to put some thick lags in the framing, where the latch to the seat clicks in place, to hold the seat up 2 inches so it wouldn’t sit right on the speaker. We’re gonna ask for a picture now. I didn’t say follow me.
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Reviewed in the United States on May 6, 2025 by Cecilia Rivas
Doesn’t fit the 2007 Chevy crew cab. I’ve made modifications to my truck in hopes to get it to fit better but it’s still just not working. And once I do manage to close the seat, the box is set at an angle and won’t allow the other side to close. The seat that does go down has a piece of its metal frame that comes in contact with the ring on top on the hole. That means even if I manage to modify the truck to get the sub box to fit, I won’t be able to put a subwoofer in it because the seat will break it as soon as someone sits on it. So many things wrong, nothing going right.
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Reviewed in the United States on May 21, 2022 Reviewed in the United States on May 21, 2022 by Alan