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American Sound Connection ASC 2X12GMNEW Sub Box Sealed Fits Chevy Silverado Sierra 1999-06 Ext Cab Truck Dual 12 Subwoofer Enclosure Custom GMC Chevrolet

  • Based on 325 reviews
Condition: New
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Availability: In Stock.
Fulfilled by HiFi-Soundconnection

Arrives Tuesday, May 26
Order within 5 hours and 1 minute
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Size: 12 Inch


Features

  • PREMIUM CRAFTSMANSHIP: The ASC 2X12GMNEW is built with exceptional build quality, featuring robust and durable construction materials. The enclosure is designed to withstand the demands of car audio systems and provide long-lasting performance.
  • SOUND QUALITY: This enclosure is engineered to elevate your car audio system's sound quality. With dual 12-inch subwoofers, it delivers powerful and deep bass that enhances your music listening experience. The sealed design optimizes airflow for cleaner and more impactful bass.
  • PRODUCT OVERVIEW: Designed with audiophiles in mind, the 2X12GMNEW ensures that every note and beat is reproduced with exceptional clarity and precision, allowing you to experience your music like never before. The custom fit and finish of this enclosure ensure that it seamlessly blends with your Chevy Silverado's interior, maintaining the vehicle's aesthetics as if it came directly from the factory.
  • DIMENSIONS: Width 51" x Front Height 9-3/4" x Rear Height 7-1/4" x Depth 13-1/2"
  • ADDITIONAL ITEM SPECS: Mounting Depth of 5-3/4" making it compatible with the majority of 12-inch subwoofers and a total Air Space of 0.95 Cubic Feet for increased output

Brand: American Sound Connection


Speaker Maximum Output Power: 800 Watts


Connectivity Technology: Wired


Audio Output Mode: Stereo


Mounting Type: Floor Standing


Audio Output Mode: Stereo


Mounting Type: Floor Standing


Enclosure Material: Wood, Fabric


Speaker Type: Subwoofer


Additional Features: Durable


Antenna Location: truck


Subwoofer Diameter: 12 Inches


Color: Black


Is Waterproof: FALSE


Warranty Type: Limited


Control Method: Touch


Speaker Size: 5.75 Inches


Woofer Diameter: 12 Inches


Specific Uses For Product: truck


Unit Count: 1 Count


Item Dimensions D x W x H: 17"D x 19"W x 15"H


Item Weight: 34.3 Pounds


Compatible Devices: MP3 Player, Smartphone, Television


Audio Driver Type: Dynamic Driver


Audio Driver Size: 12 Inches


Brand: American Sound Connection


Model Number: 2X12GMNEW


Model Name: 2X12GMNEW


Built-In Media: 2 x Speaker


Number of Items: 1


Manufacturer: American Sound Connection


Speaker Maximum Output Power: 800 Watts


Number of Audio Channels: 2.0


Connectivity Technology: Wired


Wireless Technology: No Wireless Communication Technology


Connectivity Protocol: Wired


Power Source: Corded Electric


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Tuesday, May 26

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.

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Top Amazon Reviews


  • Great fit
Size: 10 Inch
This box fit perfectly under my back seat in my Z71 extended cab LT Silverado. It is very quiet and looks beautiful. Been in my truck for 6 months and hasn't had the first rattle or vibration noise. So pleased with the cost and the shipment was packed and protected with precision. Very easy to install and the quality is awesome. ... show more
Reviewed in the United States on October 6, 2023 by Smokie T

  • Fits 10’’ troop from ct sounds
Size: 10 Inch
I drive a 05 extended cab it fits perfectly over the hump hits a lot harder with my troop 10’s good investment word of advice to others getting this make sure to vacuum your floorboards make sure you have no loose screws nails ect.
Reviewed in the United States on May 1, 2025 by Brian

  • Put 2 10" early model sony xpoldes and they sound pretty good. You can't hear the subs much outside ...
Size: 10 Inch
Solid box. Put 2 10" early model sony xpoldes and they sound pretty good. You can't hear the subs much outside of the truck which is what I wanted, but it still shakes the hell out of my rearview mirror and gives nice bass. My only complaint was the speaker wire connectors were a little tarnished and low quality but meh.. I think I got what I paid for. Shipping was also pretty smooth/fast. I would recommend buying these if you don't want to spend a lot. Overall.. I feel I mad a good buy and the box is what I was looking for! ... show more
Reviewed in the United States on December 2, 2015 by Hannah S.

  • Fits great
Size: 10 Inch
Right off the bat this box fits perfect. My only complaint is that in the center portion of the box that fits over the hump of the back seat it is blocked off on the inside. I had to wire my subs to my amp as if it was two separate boxes. If you want to bridge the two subs you have to somehow manage to drill a hole on that wall block inside. Other then that it works great. I am running some kicker cvx’s and they fit amazing. I would complain about the lack of air space but you can do much about that without porting or sacrificing leg room. ... show more
Reviewed in the United States on July 10, 2019 by Mason.

  • Sounds great fit great. Quick delivery
Size: 12 Inch
Sounds great fit my kenwood subs perfectly and fits my ext cab 06 duramax 4x4 without issue. Seats fold down great. Only downside is not much room for the amp but I was able to make it work. Really sounds good though!
Reviewed in the United States on March 26, 2021 by Brandon

  • Great box
Size: 12 Inch
Great box! Very well made and sturdy.
Reviewed in the United States on August 10, 2024 by William

  • Perfect fit
Size: 10 Inch
Great fit in my '05 extended cab Silverado... I was even able to put on speaker grilles without them being in the way... At first I was skeptical about downward firing speakers.... but they sound great... I get lots of bump out of them
Reviewed in the United States on April 25, 2021 by Mathew Espinoza

  • Subs do not sound good since they mount upside down and hit the floor.
Size: 12 Inch
Box is nice and fits good but the subs sound horrible. I put my rockford fosgates in it and they sound horrible. Barley can hear them. since the subs sit upside down they have no room to flex and they just hit the floor of my cab. selling the box and putting them back in the original box.
Reviewed in the United States on June 21, 2019 by Chris S.

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