JL Audio Stealthbox®

Custom-fit fiberglass enclosure with 13" TW5v2-2 subwoofer — fits 2009-up Ford F-150 SuperCrew (Camel)

Item #: 13694461

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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 contains one 13" TW5v2-2 subwoofer. It installs under the driver side of the rear bench seat. 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.

JL Audio has rated the difficulty of this Stealthbox installation as low. You should be able to install this enclosure if you have any experience with car audio.

Product Highlights:

  • Stealthbox® custom-fit subwoofer
  • sealed fiberglass enclosure
  • TW5v2-2 13" 2-ohm subwoofer
  • installs under the driver side of the rear bench seat
  • power handling: 100-600 watts RMS (1,200 watts peak power)
  • warranty: 2 years
  • Our 60-day money-back guarantee

Vehicle-specific enclosures with subs? Say what?

Instead of the usual sub in a box, the manufacturer creates a molded enclosure that fits perfectly into a convenient spot in your specific vehicle, housing a high-quality sub. Some enclosures even include a built-in amp, for the ultimate in stealth bass. The advantages? You don't lose much space (if any), your sub is perfectly matched to its enclosure, and your enclosure has a factory look that won't tell potential thieves you have an awesome sound system. Doesn't get better than that.

Hands-on research

What's in the box?

Download owner's manual

  • Custom subwoofer box with one loaded 13" woofer
  • 4 Custom mount brackets
  • Four 1/4-20 x 1" hex-head bolts
  • Four 3/8-16 x 1-3/4" hex-head bolts
  • Four 1/4" flat washers
  • Four 3/8" flat washers
  • Four 3/8" x 1-1/4" fender washers
  • Four 1/4" split-lock washers
  • Four 3/8" split-lock washers
  • Four 3/8-16mm hex-nut
  • Four 3" x 3" wax squares
  • Installation Guide
  • Warranty sheet

Product Research

Features

Overview: JL Audio's Stealthbox subwoofer systems are designed to hide away in a specific vehicle. Please consult "Outfit My Car" to confirm compatibility with your vehicle.

Enclosure Construction: Stealthboxes are hand-crafted from fiberglass and/or Advanced Molded Composite (AMC) materials. Fiberglass delivers a level of enclosure rigidity and dimensional stability not possible with other enclosure materials, allowing wall thickness to be reduced compared to a typical wood enclosure. This gives you more interior box volume for a given external volume. Fiberglass and AMC materials are very strong and can be molded into very complex shapes; giving JL Audio the ability to design your Stealthbox to fit perfectly into tight spots and minimize intrusion into your vehicle's useful space. Each Stealthbox is laminated, ground, joined, and finished by hand in the USA. Proprietary techniques and materials developed by JL Audio through years of fiberglass manufacturing experience ensure consistent quality and performance.

Thin-Line Woofer: This JL Audio Stealthbox consists of one JL Audio 13TW5v2-2 Thin-Line subwoofer in a sealed enclosure. The sub can handle up to 600 watts RMS (1200 watts peak) and presents a 2-ohm load at the enclosure's speaker terminal.

  • Thin-Line Design: The patented thin-line woofer technology compresses the architecture of the 13TW5v2-2 subwoofer and allows it to deliver great bass performance in tight space applications, with as little as 2.5" depth. Central to the technology is the "concentric tube" structure that supports the oversized voice coil and the suspension attachments. This permits placing the motor of the woofer much further forward in the speaker than with conventional designs, while maintaining excellent linear excursion capability. Equally important is the fact that the 13TW5v2-2 design is optimized for extremely small enclosure volume applications. Whereas a typical small-box 12-inch driver operates in well over one ft³, the larger 13TW5v2-2 is optimized for only 0.80 ft³ (significantly less volume than other JL Audio 13.5-inch woofers).
  • Concentric Tube Suspension: The challenge in any low-profile woofer design is to permit enough mechanical clearance for the speaker to handle power and generate good output at low frequencies. JL Audio's patented solution employs a molded structure which spans over the edge of the motor system, supporting the spider on the outside of the motor's boundaries and the large diameter voice coil on the inside. The large voice coil permits the magnet to sit inside it, rather than surrounding the coil as is typical in most woofers. The concentric tube structure and the elimination of a conventional top-plate helps JL Audio place the motor system higher up into the cone body's space to further compress depth, while still permitting excellent mechanical excursion.
  • Mica-Filled Polypropylene Woofer: The subwoofer features an injection-molded, mica-filled polypropylene cone woofer with a Santoprene rubber surround for added durability, woofer excursion and bass response.
  • Dynamic Motor Analysis (DMA): DMA is JL Audio's proprietary method of improving dynamic motor behavior. As a result of DMA optimization, the 13TW5v2-2's motor maintains a linear motor force over a long excursion range, and also maintains a stable fixed magnetic field in the gap over a wide power range. The result is vastly reduced distortion, faithfully reproduced transients, and tight, clean, articulate bass.
  • Floating Cone Attachment Method (FCAM): JL Audio's patented FCAM technology is an innovative method of bonding the surround/cone assembly to the voice coil/spider assembly. This assembly technique ensures proper surround geometry in the assembled speaker for better excursion control and dynamic voice coil alignment.
  • Extra Large Voice Coils: To counteract the efficiency tradeoff of small box volumes, the 13TW5v2-2 is designed to handle very high power levels thanks to the use of a very large 7-inch diameter voice coil.

Our Product Research Team

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JL Audio Stealthbox® Reviews

Average Customer Review:

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Excellent quality

Written By Stan, Baton Rouge, LA on Thursday, January 23, 2014

Crutchfield Customer Review (What's this?)

I have this in a 2012 F150 SuperCrew and can't be happier. I have a Pioneer AVH-X1500DVD head unit and MTX Thunder 500.1 mono amp to push this speaker. The amp is rated to push around 400W to a 3-ohm load. Even though the speaker is rated for up to 600W RMS, the possibly underrated 400W is plenty of power. The enclosure is very solid. They give you hardware to bolt it to the floor of your vehicle, but I am currently not utilizing the hardware. It seems to stay in place just fine without the brackets (unless I get in a wreck, of course). If you decide not to use the brackets, be sure and insert the bolts anyway. I didn't realize until I heard port noise that the threaded holes for the bolts reach the chamber for the rear of the speaker. The bass response is outstanding. I've tested with various types of music, including hard rock, jazz, and rap/hip-hop. Drum kicks are solid and bass lines are powerful all the way down to the lower registers (the ones that you can almost feel more than hear). The response is very tight and fairly flat through the sub-bass and lower mid-bass ranges. I'm not sure if JL tuned this enclosure specifically for the vehicle, but it certainly sounds like it. I cringed at first sight of the price for this unit, but after hearing the clean, tight sound it produces and seeing how well it fits in the vehicle, I'll recommend it to anyone that has room in the budget for it.

Pros: Accurate bass, very clean and tight sound

Cons: A little pricey, but you get an excellent product

Great product!

Written By Anonymous, Anchorage, AK on Tuesday, June 04, 2013

Crutchfield Customer Review (What's this?)

Great product! Reliable tough and sounds awesome in my truck! Very satisfied with my purchase and great value!!

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