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JL Audio Stealthbox®

Custom-fit fiberglass enclosure with two 12" 12TW3-D8 subwoofers — fits select 2007-up GM crew cab trucks (Black)

Item # 13694581

The JL Audio Stealthbox® custom-fit subwoofer delivers incredible bass in a package that takes up minimal space...

Find what Fits your car

The JL Audio Stealthbox® custom-fit subwoofer delivers incredible bass in a package that takes up minimal space...

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Contact our Virginia-based experts.

Item # 13694581

Ships from manufacturer

$1,449.99

About the JL Audio Stealthbox®

JL Audio Built In USA Low-profile bass

The JL Audio Stealthbox® custom-fit subwoofer delivers incredible bass in a package that takes up minimal space and blends in with your vehicle's interior. JL Audio designs Stealthboxes to fit in specific vehicles, then loads them with appropriate subwoofers for optimal performance. Pair the system with an appropriate amp and wiring for stellar concealed bass.

JL Audio Built In USA Low-profile bass

The JL Audio Stealthbox® custom-fit subwoofer delivers incredible bass in a package that takes up minimal space and blends in with your vehicle's interior. JL Audio designs Stealthboxes to fit in specific vehicles, then loads them with appropriate subwoofers for optimal performance. Pair the system with an appropriate amp and wiring for stellar concealed bass.

Perfect sound to go with the perfect fit

JL Audio puts months of research and design into each Stealthbox® custom-fit subwoofer to ensure not only that it fits, but that it sounds better than any other custom enclosed system. First, JL Audio determines the ideal shape and mounting location for each enclosure, so that it looks like an original part of the vehicle it's designed for. Next, they mount each high-performance subwoofer so it delivers amazing firepower from within its unique enclosure, without sacrificing clarity or musical depth.

The fiberglass enclosure offers superior rigidity while allowing more interior volume, so the sub can turn out louder, deeper bass. JL Audio craftsmen then laminate, grind, join, and finish each Stealthbox® by hand. The end result: full-bodied, distortion-free bass from an impressively stealthy enclosure.

Enjoy enhanced, custom-fit sound

This Stealthbox® enclosure fits in select 2007-up General Motors crew cab trucks under the rear seat bench. This Stealthbox® includes two 12" TW3-D8 thinline subwoofers from JL Audio, wired for 2-ohm total impedance. Please check with us before purchasing by using the vehicle selector on our site, or calling an Advisor at 1-888-955-6000 to verify fit information.

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Highlights:

  • Stealthbox custom-fit subwoofer
  • sealed fiberglass enclosure
  • two 12" TW3-D8 thinline subwoofers
  • installs under the rear seat bench
  • 800 watts RMS power handling (1600 watts peak power)
  • 2-ohm total impedance
  • warranty: 2 years
  • Our 60-day money-back guarantee
  • MFR # 94581

What's in the box:

  • Custom subwoofer enclosure loaded with two 12" 12TW3-D8 subwoofers

Customer reviews

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JL Audio Stealthbox® reviews

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More details on the JL Audio Stealthbox®

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Product Research

Features

Overview: JL Audio's SB-GM-SLVCC2/12TW3/BK Stealthbox has been specifically designed to fit select 2007 - 2013 Chevrolet Silverado and GMC Sierra Crew Cab trucks with an ebony interior. It features two 12" 12TW3-D8 subwoofers in a custom down-firing sealed enclosure that mounts underneath the rear seats.

Note: Use our online vehicle selector to see what products work with your vehicle.

Subwoofers: The JL Audio Stealthbox's two 12" 12TW3-D8 subwoofers offer a powerful combination of a shallow mounting depth and high excursion capability, producing deep powerful bass from a small enclosure. The two dual 8 ohm voice-coil subwoofers are wired for a 2 ohm output to a single set of terminals, and are capable of handling 800 watts RMS (400W RMS each driver).

Enclosure: The Stealthbox enclosure is made of fiberglass coated in black carpet designed to blend in with the vehicle's interior. The enclosure has been configured to mount under the rear seats, so no usable cargo or passenger space is taken up. The enclosure will not effect the folding of the rear seats or passenger's leg room.

Note: This Stealthbox will not fit "Classic" model vehicles.

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Customer Q&A

9 questions already asked

Q
What amp do you recommend for this ??
[ Donny  Apr 06, 2019 ]
1 answer
A
Thanks for your question. For information on selecting the best amp I would recommend reaching out to an Advisor by phone (1-800-324-9695) or online chat. They will be able to help determine the differences between the amp models and help you make the best choice for your system.
[ Krissy  Apr 12, 2019 ]  Staff
Q
Will this fit a 2008 avalanche LS?
[ Raider  Dec 09, 2018 ]
1 answer
A
This Stealthbox will not fit, but we have a dual 12" subwoofer box that can fit your 2008 Avalanche. Here it is: www.crutchfield.com/p_13694298/item.html My Bio: https://www.crutchfield.com/bio/Paul
[ Paul  Dec 20, 2018 ]  Staff
Q
Ok what size amp will work best? I'm looking at a JL audio 750/1hd
[ Jimmy  Aug 13, 2018 ]
1 answer
A
JL Audio's HD series 750/1 amplifier would be a great choice to drive this Stealthbox model! For more information or to explore other amplifier options, please contact an Advisor directly by phone (888.955.6000) or online chat. They can discuss amplifier choices in more detail to help you make a better informed decision. Hope that helps!
[ Larry  Aug 20, 2018 ]  Staff
Q
Will this fit my 2010 silverado crew cab?
[ timothy  Jul 11, 2018 ]
2 answers
A
Hi timothy, Yes, it should fit in your truck. The box is advertised to fit 2007-2013 GM crew cabs. I would highly recommend it. I have had mine for about 6 months now and I love the sound. The box has a factory look and the shallow mount drivers produce unbelievable bass for the size of the form factor.
[ Matt  Jul 11, 2018 ]
A
Should fit no problem. I have a 2013 Denali crew cab and fits perfectly under the back seat.
[ Brent  Jul 11, 2018 ]
Q
will this fit my 2014 gmc sierra 1500 crew cab?
[ eric  Feb 27, 2018 ]
1 answer
A
No. For the 2014, a different Stealthbox model is recommended: http://www.crutchfield.com/p_13694647/item.html
[ Ryan  Mar 07, 2018 ]  Staff
Q
I'm looking at the JL audio stealth box for a 2011 GMC Sierra the web sight only has a listing for this particular box with the 12" subwoofer wanting to know if this is available with a 10" woofer instead of the 12", if so what is the price?
[ Erik  Jan 19, 2017 ]
1 answer
A
Thanks for your question. I'm sorry, no. I have checked the JL Audio website as well and this is the only one listed, no option to switch out to a 10". Hope this information helps. If you have further questions I would recommend reaching out to an Advisor by phone (1-800-324-9695) or online chat.
[ Kenny  Jan 20, 2017 ]  Staff
Q
What type of damage is there?
[ Swayned  Dec 04, 2015 ]
1 answer
A
Hi Dustin. Not sure if you might have been looking at a Scratch and Dent item. If so, we don't have a way to show the exact cosmetic damage on a particular unit currently. Scratch & dent are open-box items that have minor cosmetic damage. They may be missing non-essential accessories. In some cases the manufacturer's accessories have been replaced with generic equivalents. The manufacturer's warranty applies. You can get an idea about typical cosmetic damage here: http://www.crutchfield.com/app/product/outlet/CloserLook.aspx
[ Jeff  Dec 05, 2015 ]  Staff
Q
What are the dimensions of the space on the top of the enclosure between the subwoofers that is intended for the amplifier?
[ Daniel  Nov 15, 2015 ]
1 answer
A
I don't have the dimensions of that space, but I see in the manual that the HD750/1 amp is recommended and pictured fitting that stock. This means it is at least 10-13/16 wide, 1-15/16" tall, and 8-13/16" deep.
[ Paul  Nov 18, 2015 ]  Staff
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