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JL Audio 12W6v3-D4

W6v3 Series 12" subwoofer with dual 4-ohm voice coils

16 Reviews | 4 questions - 5 answers

Item # 13612W6V3

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825 Gardens Blvd

109 South Carlton

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Our take on the JL Audio 12W6v3-D4

JL Audio's celebrated W6v3 subwoofers deliver knockout low end with incredible accuracy. The 12W6v3-D4 12" subwoofer uses a tough, mineral-filled polypropylene cone that offers incredible strength without the added bulk that can slow woofer response. JL Audio conducted extensive research to develop a motor structure that operates efficiently and precisely, so this sub can deliver powerful, reliable bass while handling up to 600 watts RMS. Exclusive cone-bonding assemblies, advanced cooling systems, and a highly stable spider attachment enhance reliability and promote long performance life.

JL Audio Built In USA W6v3 magnet

Pole-venting helps the sub stay cool when you turn the volume up.

Bass that means business

JL Audio's celebrated W6v3 subwoofers deliver knockout low end with incredible accuracy. The 12W6v3-D4 12" subwoofer uses a tough, mineral-filled polypropylene cone that offers incredible strength without the added bulk that can slow woofer response. JL Audio conducted extensive research to develop a motor structure that operates efficiently and precisely, so this sub can deliver powerful, reliable bass while handling up to 600 watts RMS. Exclusive cone-bonding assemblies, advanced cooling systems, and a highly stable spider attachment enhance reliability and promote long performance life.

Precision-crafted low end

The sub's solid cast-alloy basket allows your W6v3 sub to handle big-time power without any distortion-causing flexing. A sophisticated suspension system promotes linear cone movement for greater accuracy. The simple terminal jumper wiring system allows you to set the subwoofer's impedance to draw maximum power from your amplifier, or to design a multi-sub setup.

Get the sound and look you want

The elegant JL Audio medallion on the front shows the competition you mean business. Go for a special look with the removable black trim ring, which can be painted to match your installation theme. The 12W6v3-D4 works best in a compact enclosure, so you can get great bass in some tight places.

To drive this single subwoofer, we recommend a mono amplifier rated between 450 and 900 watts RMS at 2 ohms. For more information, please refer to our article on How to Match Subwoofers and Amplifiers.

W6v3 terminals

The terminal jumper system lets you easily adjust the sub's impedance.

Product Highlights:

  • 12" subwoofer with dual 4-ohm voice coils
  • mineral-filled polypropylene cone with rubber surround
  • satin black cast-alloy basket
  • power range: 200-600 watts RMS
  • peak power handling: 1200 watts
  • frequency response: 20-200 Hz
  • sensitivity: 85.4 dB
  • top-mount depth: 7-9/16"
  • sealed box volume: 1.105 cubic feet
  • ported box volume: 1.405 cubic feet
  • warranty: 1 year
  • Our 60-day money-back guarantee

What's in the Box:

  • One 12" Dual 4-ohm voice coil subwoofer
  • 2 Voice coil jumper wires (installed)
  • Black plastic trim ring (installed)
  • Owner's manual
  • Voice coil connection warning

JL Audio 12W6v3-D4 Reviews

Average Customer Review(s):

(16 Reviews)

JL Audio 12W6v3

David from Cincinnati ohio on 10/19/2017

Crutchfield Customer Review (What's this?)

I have been into car audio since 1988. I have owned anything and everything worth having since the late 80s and currently have a collection of vintage amplifiers that is over the 300000 dollar mark to obtain. I have owned every old audio subwoofer made the w6 and w7 subs have been a project idea. I own a gov topkick 2016 fully loaded so I decided to build a 8 12 inch subwoofer enclosure as a rear seat wall front firing sealed as recommended 1.25 cubic feet internal volume per enclosure as species by old. First 8 w6 subs 600 dollars each not cheap secondly 8 hours audio xd 1000 mono amps 700 each. I have 20 years experience installing and specializing in building high end exotic and multi dimensional enclosures. Wall built covered in ostrich subs installed motorized amp rack built 4 dedicated batteries installed all wiring layer isolator and voltage regulator installed 2 320 alternator installed. I just want to say I have never been so disappointed and let down. Spent over 30 hours adjusting tweaking fine tuning everything. 30 band equalizer every little detail checked. I own a audio control real time audio analyzer so everything is spot on. Measured the spl level 133.6 are you serious I was throwing 146.1 with 2 kicker solo baric s7 subwoofer and a 26 year old Orion car 2250 beast. My buddy owns a shop so I stopped in and ask him just to look it over in case I missed something. 4 of his guys and himself went completely through it front to back everything was spot on he said what's.

Pros: Small enclosure specifications for limited space or multiple subs

Cons: No longer made in the USA. Expensive with less than expected results amplifiers rated at 1000 with 16 volts at 1 ohm maximum output 580 watts before complete distortion 2 subs blew at less than half rims rating. Will only use kicker and focal til jl figures out what they are lacking sorry but a 12 inch kicker sub shouldn't have a higher db than a high end competition sub but it does same enclosure same set up the jl was 103.2 the kicker 118.6 sad but true

JL Audio 12W6v3-D4

Anonymous from Stow, OH on 8/26/2017

I am 42yrs old and my family owned a car audio shop when subs were just becoming the thing to do. This is personally my 4th system and by far my favorite set of 12vs to date. They can hit some lower notes that a lot of 12vs cant and are very clean. Im running a 1500W class D Rockford at about 50% gain. Got to leave some power for a possible 3rd or 4th W6 ;) I have the two in a ported box and the air movement is great. Makes me smile every time I turn it on. Thanks Lucio Proni for creating such awesome sound !!!


Cons: I need more money for 2 more ;)

Hands down best purchase

Cole from Lancaster, PA on 8/10/2017

I bought this speaker about 3 years ago, and it's the last sub I've had to buy, running a Rockford punch series amo capable of handling 850 true watts rms. That amp has more than enough to push the limits of this speaker. For only having 1 12" in a ported box in my Durango, it flexes my roof. I'm waiting for my windows to shatter. Wouldn't buy any other brand in my lifetime.

Pros: Deep low bass mid bass. Clear no distortion great for any genre of music.

Cons: Absolutely nothing

JL Audio 12W6v3-D4

joseph from Dallas, TX on 5/8/2017

Crutchfield Customer Review (What's this?)

It's awesome. Zero distortion.



JL Audio 12W6v3

Mister Brown from Hampton, GA on 3/9/2017

Crutchfield Customer Review (What's this?)

This thing is beauty & the beast! With the rite box this beast hits notes you never knew we're in the song!

Pros: Delivers every time on time! Hits hard & clean!

Cons: Absolutely None!

JL Audio 12W6v3-D4

alberto from Houston, TX on 12/13/2016

2011 Nissan 370Z
Crutchfield Customer Review (What's this?)

Absolutely love my purchase I'll definitely return and shop because I want more!

Pros: Great sound no matter how it's set up or installed.

Cons: None at the moment.


Matt from Pottstown,PA on 11/10/2016

Crutchfield Customer Review (What's this?)

This speaker kicks a!! I have it hooked up to a old school XTant X603 amp in a special made box in my G35 thanks crutchfield for top notch quality products

Pros: Everything about the speaker

Cons: None

JL Audio 12W6v3-D4

Anonymous from Macomb, MI on 6/5/2016

2016 Cadillac Escalade ESV

Great subwoofer, excellent build quality

Pros: Sounds wonderful

Cons: None at this point in time

Great SPL, but does not cut it for true SQ

Jonified from Richmond, VA on 4/11/2016

2015 Honda Accord

I will make this review as clearly stated and accurate as possible. To start, I have installed car audio systems for 15 years. I am an engineer, piano player, and musician with a very discerning ear and a passion for testing, comparing, and reviewing very high end car, home, and studio audio equipment. The 12w6v3 has a rep for being sort of a SPL/SQ crossover, giving the listener the best of both worlds. So I decided to test that reputation for my fellow true audiophiles out there that may be thinking of buying this subwoofer. I think the JL Audio 12w6v3 does a really great job at giving the average listener what they want - pretty accurate bass and great efficiency per watt. Boy does this thing get loud. It gets loud and it does not distort when turned up to extreme listening levels. This is great for bass heads. If you are looking for good SQ and great SPL, this is the sub for you. But, it did not meet my strict expectations in terms of SQ, even after the break in period of 60 hours at 500-600 watts RMS, with a couple of true SQ subwoofers that I own from the early-mid 2000s during A/B tests. There is simply no comparison. The 12w6v3 lacks the tonal clarity needed to take the listening experience from really great to "Eargasmic". This more than likely will only occur to those who have extensive listening experience with true SQ subs that were not manufactured with SPL in mind as the 12w6v3 was. For those who have not experienced true SQ, these will be

Pros: SPL - They get plenty loud Build Quality - Top notch

Cons: Price - completely overpriced. The ROI is great, but not $599 great. This sub should be priced at $399. SQ - They may beat a lot of the current competition out there. But that is because the industry is in a poor state. I own and have experienced much cleaner sound out of two specific subs, the Audiobahn Alum12Q and Planet Audio VC12D, both built specifically for SQ. There truly is no comparison. The entire Diamond Audio subwoofer line has noticeably cleaner tonal quality than the 12w6v3.

W6v3 12" ho enclosure

Curtis from Sturgeon bay, wi on 3/29/2015

Crutchfield Customer Review (What's this?)

Excellent build quality. The w6 sounds amazing

Pros: Sound amazing

Cons: Price is a bit steep

Amazing Quality

Chase from San Antonio, TX on 3/10/2015

Great sub that packs an enormous punch. I've owned the 10 and the 12w6. The 12 definitely can handle more power and has a deeper, harder punch and vibration. JL never disappoints me and this sub bsolitely rocks. One sounds like 2 expensive 10's.

Pros: Power Handling, looks, quality and replacement parts available.

Cons: Too much airspace needed for my application but not really a down side.

JL Audio 12W6v3-D4

chris m from ft lauderdale fl on 1/31/2015

tonque n groove box from JL.....HO-W6V3..12" AMAZING SQ ive always gone with w6's and always relied on sound advice for installation im running a jl HD900/5amp pushing focal performance comps in front and c2x650 fillers in back 500 watts to the sub and a 100w to each


Cons: no flaws

JL Audio 12W6v3-D4

Anonymous from Southampton nj. 08088 on 12/30/2014

Crutchfield Customer Review (What's this?)

Exactly what I wanted



Breaking In

AC from Columbia, S.C. on 5/31/2014

Crutchfield Customer Review (What's this?)

I never really understood this whole breaking period with subwoofers, Until I purchased these w6's. the amount of air they move fresh out the box is amazing. And they continue to get louder as the very stiff cone starts to give into the bass. This brand of sub found bass in song that I didn't know was there and I can say I happy to have finally have bought a set.

Pros: The warranty after you blow them. Good clear bass all day.

Cons: Not compatible with weak home style wiring kits. You need some professional wiring to move the subs to really get what you've paid for...

JL 12W6V3

Isaiah from Columbia on 3/12/2014

Crutchfield Customer Review (What's this?)

Best choice of subwoofer I've ever made! Sound quality is amazing and seems like nothing can compare.

Pros: Saves trunk space, one speaker sounds like two. Brand always brings the boom.

Cons: None.


Rex J from Walnut Ridge, AR on 2/19/2014

I have owned numerous subs over the years. Cheap and expensive. This is a great sub. I picked one up locally for a great deal. It beats the heck out of Challenger. They are big cars and it's hard to get quality sound from the trunk to the cabin. But this thing delivers...In SPADES. If there is room in your audio budget. I say go for it.

Pros: Sound quality, performance, awesome good looks, Too bad it's in the trunk and I can't look at it.

Cons: Power hungry, it's in the trunk, I never get to look at it. Kind of expensive.


Hands-on research

Product Research

Enclosure Compatibility


Dual Voice Coils: Due to the 12W6v3-D4's dual 4 ohm voice coils, the subwoofer can be configured as a 2-ohm (voice coils wired in parallel) or 8-ohm (voice coils wired in series) driver. The included jumper wires allow easy adjustment from one configuration to the other (the factory jumper position is 2-ohm).

Dynamic Motor Analysis (DMA): DMA is JL Audio's proprietary method of improving dynamic motor behavior. As a result of DMA optimization, the 12W6v3-D4 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.

Pole-Vent Airflow Control (PVAC): The bullet-shaped structure inside the pole-vent directs airflow and increases air velocity to effectively reduce voice coil temperature, leading to improved fidelity and reliability.

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.

Elevated Frame Cooling System: The elevated frame design of the 12W6v3-D4 delivers cool air through slots directly above the top-plate to the voice coil of the speaker. This not only enhances power handling, but also sound quality by minimizing dynamic parameter shifts and power compression.

Customizable Trim Ring: The woofer has 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 mesh grille insert specifically designed to fit into the inner diameter of the trim ring (item number 136SGR126, sold separately).

Engineered Lead Wire System: JL Audio's engineered flying lead-wires have carefully engineered entry and exit support structures molded into the terminals and the voice coil collar and are jacketed to further reduce the likelihood of shorting and fatigue. The result is predictable high-excursion lead-wire behavior with long term reliability, and none of the compromises inherent to a woven-in lead wire system (when attached or woven into the spider material, lead-wires can alter the spider's motion, leading to asymmetrical spider behavior).

Enclosure Compatibility

Sealed Enclosure: JL Audio recommends a sealed box size of 1.105 ft³ (1.0 ft³ net, plus the sub's 0.105 ft³ displacement). A diagram is provided in the owner's manual for a sealed box with external dimensions of 15" W x 15" H x 12" D, assuming 3/4" thick material. (If you are using 5/8" thick materials, subtract 1/4" from each dimension.)

Ported Enclosure: The ported box size JL Audio recommends is 1.405 ft³ (1.3 ft³ net, plus the sub's 0.105 ft³ displacement). The recommended slot port is 12-1/2" x 1-1/2" x 31-5/8", resulting in a tuning frequency of 33 Hz and a -3dB point of 31 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 verify what’s in the box, 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.

Q & A

Customer Q&A

Crutchfield asked  
Why did you buy this?

long time favorite! [ Randall  Jan 10, 2018 ]
I LOVE THE BASS! [ mauro  Jan 09, 2018 ]
Awesome sub...very clean bass [ ross  Feb 02, 2017 ]
had one before never failed me [ Damien  Nov 03, 2016 ]
I've had JL subs for 2 decades. They have always outlasted any vehicle I've put them in, new or used. [ jesse  Feb 21, 2016 ]

4 questions already asked

If you purchased the product from Crutchfield, feel free to contact our Tech Support team. They can walk you through the settings on the product and see if there may be a fix. Our toll-free Tech Support number is printed on your invoice, and is also available under the "My Orders" tab in the "My Account" section of our website. If you did not purchase the unit from Crutchfield, then you may want to contact the manufacturer, or try our online support center: [ Krissy  Apr 28, 2017 ]  Staff
I've ran these subs in the ported bass wedge box that is normally loaded with the 12w0. It does get loud for sure. But without being able to find any info on the enclosure, even from JL, being that it's patented by JL and the info is not made available by them, I can only speculate the box is tuned in the mid to high 30's range. My in vehicle response is already rolling off around 40hz with the most output near 50hz. So yes the box will do good and play loud on all types of music. But if you really want the most low end extension you can get with a less pesky response, I'd stick with recommended specs or possibly tuning a little lower if needed. I'm currently waiting for my spec box to be delivered because of the reasons I've just stated. I've ran in oversized ported box, sealed spec box, and the JL bass wedge ported box, and I've enjoyed the bass wedge the most, but I'm really thinking the JL specs are going to be spot on based on my experiences with the other boxes. [ Tony  Apr 19, 2017 ]
We have not received any answers from other customers on your question. I would recommend reaching out to an Advisor by phone (1-800-324-9695) or online chat. They should be able to help answer your question. [ Jeff  Aug 13, 2014 ]  Staff
Thanks for your question. For information on selecting the best amp for your subs 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. [ Greg  Jul 29, 2014 ]  Staff
That depends on the amps you are running. Read up on "ohms law" for every speaker you double up on an amp output, you are decreasing the ohm rating by half. If the speaker is rated at 4 ohm and your amp is rated as 2ohm stable, then you could run 2. As for the 10w6, I don't know how much bass you are trying to get, but those subs hammer. I have one in my wife's Acura TL-S and one in my Yukon Denali and both cars rock. Hope this helps. Robert [ ROBERT  Dec 22, 2013 ]