JL Audio 12W1v3-4

W1v3 Series 12" 4-ohm subwoofer

Item #: 13692083

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Legendary JL Audio engineering

The affordable W1v3 subwoofer incorporates patented features developed by JL Audio for their legendary W7 subs. Special venting keeps the W1v3 sub running cool for trouble-free performance, while extensive research in cone bonding and motor assembly construction keeps its cone movement linear for precise, dependable output. The cone interlocks with the dust cap for superior rigidity, and a sophisticated suspension system keeps internal parts aligned properly when you're jamming hard.

Side-view of JL Audio 10W1v3-4 10" sub

These subs look as good as they sound.

Choose your enclosure

The 12W1v3-4 12" subwoofer works in ported or sealed enclosures, enabling you to choose the type of bass you want. It features a polypropylene cone with an embossed JL Audio logo for a look that stands out as much as the sound. The removable, customizable trim ring lets you put a personal touch on your system, and makes optional grille installation a snap. This punchy W1v3 sub works well with moderate power, delivering impressive performance without costing a fortune.

To drive this single subwoofer, we recommend a mono amplifier rated between 225 and 450 watts RMS at 4 ohms. For more information, please refer to our article on How to Match Subwoofers and Amplifiers.

Product Highlights:

  • 12" 4-ohm subwoofer
  • polypropylene cone with nitrile-butylene rubber surround
  • power range: 75-300 watts RMS
  • peak power handling: 600 watts
  • frequency response: 22-200 Hz
  • sensitivity: 86.1 dB
  • top-mount depth: 5-7/16"
  • sealed box volume: 1.15 cubic feet
  • ported box volume: 1.65 cubic feet
  • warranty: 1 year
  • Our 60-day money-back guarantee

What's a component sub and why would I want one?

A component sub is simply a speaker that's designed to reproduce bass once it's installed in a compatible enclosure. Think about the impact of a movie soundtrack in a big theater or even in your own home HDTV setup. A component sub can add the same kind of power to the music in your car. And a car sub is not all about the boom that you hear on a street corner (although that's cool too) - you can pair a component sub with your choice of enclosure to get bass just the way you like it, from tight and punchy to fat and loose. And once you experience music in your car with a well-tuned subwoofer, you'll never go back.

Hands-on research

What's in the box?

Download owner's manual

  • 12" Single 4-ohm voice coil subwoofer
  • Black plastic trim ring
  • Owner's manual

Product Research

Features
Enclosure Compatibility

Features

Woofer: The JL Audio W1v3-4 subwoofer features an injection-molded, mica-filled polypropylene cone with an embossed metallic JL Audio logo and a 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 W1v3-4 motor remains linear over a long excursion range, and also maintains a stable, fixed magnetic field in the gap over a wide power range. The result is 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.

Vented Reinforcement Collar: The Vented Reinforcement Collar (VRC) is a composite structure that addresses two issues related to reliability:

  • Stress Relief: By reinforcing the critical junction between the cone, voice coil and spider, the VRC reduces failures due to glue breakdown or material weakness. It does this by increasing adhesive contact area and providing stress relief to the spider material at excursion extremes.
  • Air Flow: The VRC also features slots that facilitate air flow directly onto the voice coil windings, thus reducing thermal compression effects and enhancing reliability.

Insert Molded Suspension/Coil/Terminal Sub-Assembly: The W1v3-4 features a unique spider, coil and terminal subassembly, assembled prior to installation in the speaker frame for optimum alignment and glue-joint integrity. This type of assembly ensures precise lead wire length, lead wire entry and exit angles, and coil/spider alignment.

Elevated Frame Cooling System: The elevated frame design of the W1v3-4 delivers cool air through slots directly above the top-plate to the voice coil. This not only enhances power handling, but also sound quality by minimizing dynamic parameter shifts and power compression.

Customizable Trim Ring: The woofer comes with a removable ring made of black ABS plastic which can be painted to match the installation theme and create a personalized look. You can purchase an optional grille mesh insert specifically designed to fit into the inner diameter of the trim ring (item number 136SGR1231, sold separately).

Enclosure Compatibility

Sealed Enclosure: JL Audio recommends an optimum sealed enclosure volume for the 12W1v3-4 of 1.152 ft³ (1.1 ft³ net, plus the sub's 0.052 ft³ displacement), resulting in a -3dB point of 39.63 Hz.

Ported Enclosure: JL Audio recommends an optimum ported enclosure volume for the 12W1v3-4 of 1.652 ft³ (1.6 ft³ net, plus the sub's 0.052 ft³ displacement). The recommended slot port is 1-1/2" (wide) x 14" (tall) x 30-3/4" (long), resulting in a tuning frequency of 31.79 Hz and a -3dB point of 31.41 Hz.

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team — they open the box, verify contents, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

JL Audio 12W1v3-4 Reviews

Average Customer Review:

4 reviews
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Nice sub overall

Written By mike, indiana on Sunday, July 06, 2014

  • "Coolness Factor"
  • Build Quality
  • Ease of Use
  • Sound Quality
  • Value

Not much to say really, for the price range it's a bit steep for the performance you get but it can handle 300 watts RMS no problem. Even the JL W3 doesn't actually sound or perform any better other than it can handle twice the power so keep that in mind if you want more power, you may be better off to go with a different brand.

Pros: Looks very nice, sleek. Sound quality is pretty decent. Great for smaller spaces where you want some bottom end sound quality but don't expect it to really hit.

Cons: Not that loud, performance for this price range just isn't happening here. In fact I had an infinity reference 12" that did equally as well for half the price. The Kicker L7 performed better in a larger enclosure but as with my review for it, there is a unique "growly" sound to it that some may not like not does it hit hard.

Pretty dang good

Written By Ben, Salt Lake, UT on Tuesday, June 03, 2014

Crutchfield Customer Review (What's this?)

  • "Coolness Factor"
  • Build Quality
  • Ease of Use
  • Sound Quality
  • Value

Bought this sub and hooked it up to a 500 watt Rockford Fosgate amp. It performs a lot better than I thought a single sub could do. It hits so hard that I feel like I need to find some way to reduce the amount of bass!! Its a really powerful sub. I love listening to it. It's a great buy, I bought the grill that goes along with the subwoofer and it looks really clean and it goes well in the back of my Mazda 3.

Pros: Hits hard, Always in sync with the music Looks really cool

Cons: Too expensive for a single sub, Sound quality on some songs is not all that great.

JL Audio 12W1v3-4

Written By Marquis A., Tucumcari, NM on Tuesday, April 15, 2014

Crutchfield Customer Review (What's this?)

  • "Coolness Factor"
  • Build Quality
  • Ease of Use
  • Sound Quality
  • Value

I think they're a good sub doesn't take much power to sound like u do

Pros: Does not need a lot of power to sound good

Cons: None

Did not disappoint

Written By Eddie, Baltimore, MD on Sunday, January 12, 2014

Crutchfield Customer Review (What's this?)

  • "Coolness Factor"
  • Build Quality
  • Ease of Use
  • Sound Quality
  • Value

JL Audio does it again! This sub look beautiful and sounds great. Very loud and does not require a lot of power. It does take a few weeks to break in, but after that you will not be disappointed. Very solid build.

Pros: Looks great and sounds even better.

Cons: None

Get everything you’ll need to enjoy your new JL Audio 12W1v3-4

We've verified that these enclosures are a good match for this subwoofer.
It's critical to have good wire, and none is included with the sub.
Reduce ambient road noise and your vehicle's "rattles," for better sound inside your car.
Add a grille and keep your sub safe.
These can be useful if you are building a custom box.
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