JL Audio 6W3V3-4

150W RMS 6.5" W3v3 Series Single 4-ohm Subwoofer

JL Audio
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• RMS Power: 150 watts
• Impedance: Single 4 ohms
• Mineral-Filled Polypropylene Cone
• Nitrile Butadiene Rubber NBR Surround
• Mount depth: 4.25"
• Sensitivity: 80.49 dB

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Product Highlights

• RMS Power: 150 watts
• Impedance: Single 4 ohms
• Mineral-Filled Polypropylene Cone
• Nitrile Butadiene Rubber NBR Surround
• Mount depth: 4.25"
• Sensitivity: 80.49 dB


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Authorized dealer

JL Audio W3v3 Series Subwoofer Driver
JL Audio W3v3 Series Subwoofer Driver

Easily the best selling subwoofer driver, next to the W6v3, the JL Audio W3v3 provides phenomenal performance at moderate power levels with superb sound quality. The W3 series is in its 3rd iteration, embodying the series' pursuit for providing outstanding output and world-class sound quality. This is accomplished by utilizing a whole suite of advanced technologies originally developed for JL Audio's flagship W7. An Elevated Frame Cooling design helps in delivering enhanced power handling and sound quality. The DMA-optimized, long linear excursion capability minimizes distortion and increases output, while multiple patented technologies enhance performance and reliability. Such advances make the v3's the best sounding, most reliable W3's yet.

Although the W3v3 Subwoofer can be driven with as little as 50 Watts, for best audio performance it is recommended to run an amplifier capable of between 100 - 150 Watts of continuous power per driver, like the JL Audio JX360/2 (per channel, NOT bridged). In addition, these subwoofers are optimized to operate in either a ported or sealed enclosure, needing only 0.15 cubic feet of air space in a sealed box and 0.25 cubic feet in a ported/vented enclosure. (Specific dimensions and figures can be found in the user manual, linked further below.)

Like many other high-quality JL Audio products, all W3v3 subwoofers are built in JL Audio's Miramar, Florida factory, with extreme precision and top-notch build quality. Its this attention to detail that delivers the JL Audio quality and performance we have all become accustomed to.

JL Audio Patented Cooling Technology

JL Audio's patented Elevated Frame Cooling design delivers cool air into the heart of the subwoofer in ways no other manufacture's driver can. Purpose-engineered slots located directly above the top-plate stream air to the voice coil. In addition, the upper surface of the top-plate is directly exposed to this airflow, whereas on a conventional design it is isolated from this flow by the lower flange of the frame. This technology not only increases thermal power handling but also sound quality by minimizing dynamic parameter shifts and power compression. In plain English, this driver keeps itself cool so you can play your system longer, safer, and without having to worry about frying the motor.

Tight, Clean, Articulate Bass

DMA is JL Audio's proprietary Dynamic Motor Analysis system and is aimed at improving dynamic motor behavior. As a result of DMA optimization, W3v3 motors remain linear in motor force over an extreme range of excursion and also maintain a highly stable fixed magnetic field in the gap over a wide power range. This leads to vastly reduced distortion and faithfully reproduced transients... or put simply: tight, clean, articulate bass. Its main catalyst is the driver's Ultra-long Voice Coil, which allows extreme linear excursion, phenomenal power handling, and control, control, control.

Product Details:

  • 6.5" Single 4 ohms W3 v3 Series Subwoofer
  • Power Handling:
    • RMS: 150 watts
  • Mineral-Filled Polypropylene Cone
  • Nitrile Butadiene Rubber NBR Surround
  • Stamped steel basket
  • Customization trim ring
  • Floating-cone attach method
  • Highly linear, DMA-Optimized motor system
  • Insert molded suspension, coil and terminal sub-assembly
  • Patented vented reinforcement collar (VRC)
  • Elevated frame cooling design
  • Nickel plated brass spring terminals
  • Engineered lead-wire design and attachments
  • 8.89 mm Xmax
  • Frequency Response: 30 - 300 Hz
  • Resonance Frequency (Fs): 41.80 Hz
  • Sensitivity: 80.49 dB
  • Recommended sealed box volume: 0.15 cubic feet
  • Recommended ported box volume: 0.25 cubic feet
  • Top-mount depth: 4.25"
  • Cutout diameter: 5.50"
  • Authorized Internet Dealer
  • Optional protective subwoofer grille (sold separately)
  • 1-year Manufacturer's Warranty

  • Priced Individually

Subwoofer Wiring Guide

Wiring Guide to Wire 1 JL Audio 6W3V3-4 Subwoofer

Mono Amp

2 Channel Amp - Bridged

Wiring Guide to Wire 2 JL Audio 6W3V3-4 Subwoofers

Mono Amp

2 Channel Amp

4 Channel Amp - Bridged

Wiring Guide to Wire 3 JL Audio 6W3V3-4 Subwoofers

4 Channel Amp

Wiring Guide to Wire 4 JL Audio 6W3V3-4 Subwoofers

Mono Amp

Mono Amp - Option 1

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp

Specifications & Details

Subwoofer Specifications
W3 v3 Series
Subwoofer Size
RMS Power Handling
150 watts
Voice Coil(s)
Impedance (Per Voice Coil)
4 ohms
Frequency Response
30 - 300 Hz
80.49 dB
Xmax (millimeters)
8.89 mm
Subwoofer Design
Round / Circle
Main Cone Color
Woofer Composition
Mineral-Filled Polypropylene
Woofer Surround
Nitrile Butadiene Rubber NBR
Subwoofer Grille
Optional (Accessory required and sold separately)
Re-Cone Kit Available
CTA-2031 Compliant
Recommended Enclosure Specifications
Recommended Enclosure Type
Ported / Vented
Minimum Sealed Box Volume
0.15 cubic feet
Minimum Ported Box Volume
0.25 cubic feet
Top-Mount Depth (Mounting Depth)
Cutout Diameter
Shallow Mount Installation
Electromechanical Parameters
Free-Air Resonance (Fs)
41.80 Hz
Equivalent Compliance (Vas)
5.13 liters
Total Speaker Q Value (Qts)
Electrical Q Value (Qes)
Electrical Resistance of Voice Coil (Re)
3.476 ohms
Mechanical Q Value (Qms)
What is in the box?
User manual
WITB: Subwoofers
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider

Item Details


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Product and How-to Videos

  • JL Audio W3 Car Subwoofer Review
  • Car Subwoofer Size Buying Guide | What Size of Sub Should I Get?

Customer Ratings & Reviews

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Make your box to these specs for Awesomeness...

Had one of these from a prior project. Using 1/2" MDF Made a box 7 x 14 x 13 (.5417 cu ft) w/ a Precision 2" Flared Port kit cut-down to 10" total assembled length (Tune is about 36-37 Hz) firing out the side. Before closing the box... I put rubber Self-Adhesive Roof-flashing (avail at HDepot, Lowes) on all sides except (top-firing) baffle, be sure to use a roller to push-out any and all air pockets. Staple 1 layer of High-Loft Quilt Batting on all sides except baffle (avail at JOANN's Fabrics). On baffle I also glued some 1" x 6" strips in the middle of the open spaces to either side of the centered woofer cutout hole on the baffle to add rigidity. You'll need 6 Bar Clamps, and at least 2 90 degree clamps. I just used Tite Bond II Wood Glue. The only screws are to mount the sub, and on the Banana plugs Terminal plate I put on. In my ofc room I was underwhelmed and at low-to-mid 20Hz's I could hear a bit of port noise running off a 50 Wattt plate amp. But OH MAN when I put it in her XTERRA using 140 Watts Bridged at 4 Ohms... DAYUM!! I shocked the heck outta myself. The output was almost on par with the Infinity Ref 860W in 1.02 cu ft I had in their before she wanted a smaller setup. This lil booger really impressed me even more in this particular setup. The specs JL gives for the .25 cu ft slot-ported box suck because it has WAY too much port noise with those specs.

By TheGDog on June 9, 2014


found this helpful.


Bought 4 of the them to but under my back seat in my 2009 Ford F-150 Super Crew Cab. I made a custom box to fit. The hit hard and sound great. Small enough not to have to change any sitting.
Had them shipped to a location in the US and then shipped to me in the Middle East. Nothing else around like it.

By John on September 17, 2013


found this helpful.

Bass Monster!

I bought one from Sonic and built the recommended sealed enclosure. This thing slams for it's size, it's comparable, if not better than some 8" subs. I'm running it on 170 watts rms and it sounds incredibly clean. It blends with my RF Power series coaxials nicely. You won't be disappointed with this sub if your looking for tight and accurate sound. Don't forget to buy the grille too!

By Tyler on February 21, 2010


found this helpful.


Performed beyond my expectations, simply excellent! The bass is just right, not enough to be a nuisance to other road user but enough to really enjoy music. I am buying another one for my other car.

By Usman Carlucci on August 27, 2012


found this helpful.


I put this 6w3v3-4 in the back of my single cab pick up where the jack was in a custom box it fit like a glove an the seat still slides all the way back it sounds like if i have two 10"s in the back this is one bad a** sub. very happy A ++++++++++++++++++++++++++++++.

By dan the man on September 18, 2009


found this helpful.

Amazing subwoofer

I bought two of these, and they are amazing. They really bounce considering their size...

By Edgar on February 12, 2009


found this helpful.


my friend has two of these in the truck of his car and when i sat in the car i thought he had 12's. These things beat hard for their size... im gettin a wall of them put in my suv
very good subs

By Shea on December 1, 2008


found this helpful.


I have two of these in a 2007 frontier and they sound great. I really hate giving up space that is why I got these very nice.

By Jason on September 29, 2009


found this helpful.

Little beast behind the seat.

This sub packs a punch, and if set up right inside a well constructed box, outperforms the cheaper, 8" and 10" that I've heard. Looks amazing reversed as well. But the real winner on this amp is the size, for a sealed enclosure it only requires .15cf! You could put this thing under your kids bed and give him nightmares, 'cause this sub is a monster!

Perfect for small cars with little to no room like my MR2 Rev.2, MX-5 etc.

Great for precision and filling out the bottom end of your frequencies, but can't compete with the larger, properly installed and powered 8 and 10" subs but still a stunner!

By Maximillian on October 24, 2012


found this helpful.

Jl audio 6w3v3-4

I would recommend this sub to someone who wants that little extra bit of bass without over doing it. They work great for metal and rock and would pair up great with a bigger sub to get some of the higher ranged tones.

By 6 inch sub on April 15, 2012


found this helpful.


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