JL Audio 8W3V3-4

250W RMS 8" W3v3 Series Single 4-ohm Subwoofer

JL Audio
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• RMS Power: 250 watts
• Impedance: Single 4 ohms
• Mineral-Filled Polypropylene Cone
• Nitrile Butadiene Rubber NBR Surround
• Mount depth: 4.63"
• Sensitivity: 83.24 dB

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Get a Free roll of Belva 16 Gauge Speaker Wire. Simply click the "Add Both to Cart" button and you will see your savings at checkout. This offer cannot be combined with any other coupons or offers.

JL Audio 8W3V3-4

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Priced separately $342 98

Promo Savings of $12 99

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$329 99

Provides the best protection possible for the subwoofer, and is made with top-notch JL Audio quality materials. This offer cannot be combined with any other coupons or offers.

JL Audio 8W3V3-4

50% off

Priced separately $359 98

Promo Savings of $15 00

Total price:

$344 98

Product Highlights

• RMS Power: 250 watts
• Impedance: Single 4 ohms
• Mineral-Filled Polypropylene Cone
• Nitrile Butadiene Rubber NBR Surround
• Mount depth: 4.63"
• Sensitivity: 83.24 dB


JL Audio brand icon

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 75 Watts, for best audio performance it is recommended to run an amplifier capable of between 175 - 250 Watts of continuous power per driver, like the JL Audio JX250/1 or JL Audio XD300/1v2. In addition, these subwoofers are optimized to operate in either a ported or sealed enclosure, needing only 0.30 cubic feet of air space in a sealed box and 0.35 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, that allows extreme linear excursion, phenomenal power handling and control, control, control.

Product Details:

  • 8" Single 4 ohms W3 v3 Series Subwoofer
  • Power Handling:
    • RMS: 250 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
  • 10 mm Xmax
  • Frequency Response: 28 - 250 Hz
  • Resonance Frequency (Fs): 35.14 Hz
  • Sensitivity: 83.24 dB
  • Recommended sealed box volume: 0.30 cubic feet
  • Recommended ported box volume: 0.35 cubic feet
  • Top-mount depth: 4.63"
  • Cutout diameter: 7.09"
  • Authorized Internet Dealer
  • Optional protective subwoofer grille (sold separately)
  • 1-year Manufacturer's Warranty

  • Priced Individually

Product history:

JL Audio 8W3V3-4 thumbnail
(newest, current model)
JL Audio 8w3v2-4 thumbnail
(previous model, replaced by JL Audio 8W3V3-4)

Subwoofer Wiring Guide

Wiring Guide to Wire 1 JL Audio 8W3V3-4 Subwoofer

Mono Amp

2 Channel Amp - Bridged

Wiring Guide to Wire 2 JL Audio 8W3V3-4 Subwoofers

Mono Amp

2 Channel Amp

4 Channel Amp - Bridged

Wiring Guide to Wire 3 JL Audio 8W3V3-4 Subwoofers

4 Channel Amp

Wiring Guide to Wire 4 JL Audio 8W3V3-4 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
250 watts
Voice Coil(s)
Impedance (Per Voice Coil)
4 ohms
Frequency Response
28 - 250 Hz
83.24 dB
Xmax (millimeters)
10 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
0.30 cubic feet
Minimum Ported Box Volume
0.35 cubic feet
Top-Mount Depth (Mounting Depth)
Cutout Diameter
Shallow Mount Installation
Electromechanical Parameters
Free-Air Resonance (Fs)
35.14 Hz
Equivalent Compliance (Vas)
15.29 liters
Total Speaker Q Value (Qts)
Electrical Q Value (Qes)
Electrical Resistance of Voice Coil (Re)
3.77 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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Customer Reviews

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Great Sub

Have 2 of these underneath the backseat in a F-150 2010 extended cab. Great sub hits the notes very LOUD!!! Great sub for having no space to put them. Have it setup w/ JL audio to get rid of factory speakers and you can hear every note high and low. Worth the buy. May be worried about not getting the bass you want. DON'T worry about that at all. Get a great box too and they work superb.

By Smiley Jake on December 22, 2011


found this helpful.


I purchased these subs and I'm very pleased with them.

JL Audio makes a good product. I have made many buys from Sonic, very pleased.

By JIM on November 23, 2010


found this helpful.

Great sub

Sub has performed better than I thought it would. JL Audio has great products.

By Joe on May 13, 2012


found this helpful.

Very Solid

I am very pleased with these subs. I have 2 of these in my 03' f150 supercrew and these fit under my backseat perfectly without any real modifications. my amp is a Alpine MRP-f300
SOUND: these subs really do sound great. They have what i would call "grown man bass." Your probably not going to shake your neigbors cars mirrors but they provide a very solid thump without being flooded or sloppy. I have always had 2 12's in all my previous cars and while these don't hit as hard as those did on the very deep lows they still hit amd I would say it is rather close and these sound better.
SIDE NOTE: As always it depends on what amp and whatnot you have running your speakers but with these i can set loose change on my console and watch it move with the bass where i have never really been able to do that before even with my 12's
CONCLUSION: if you are a teen and just what the most flooded. ratteling bass you can find these might not be for you. but if you want a very clean sound that will still shake your seat and fit conveniently in a tight space i would highly reccomend. .
*Only giving 4 stars for look/design and durability as i never see speakers and have only had them for 6 months so can't fully speak to durability.

By RickyBobby on March 27, 2012


found this helpful.


I put a single 8W3 in a fiberglass enclosure in the back of my SUV on 240 watts. It really gets down! Best in a sealed enclosure.

By Adrian on September 10, 2012


found this helpful.

8" W3?

These really do not sound like 8's. They slap hard and people are always amazed when they hear them. I have 2 8 W3 in a sealed box in a nissan frontier crew cab and they hit so hard. I had someone come into my car not knowing i had subs and asked them what they sounded like and he said he thought it was a 12 in a large box. No one believes they are only 8's until they see them. I definitely recommend this to anyone limited in space and wanting the most boom for their buck

By 8w3 owner on November 18, 2010


found this helpful.

sound supreme ++

i have a lexus sc 400 these speakers with components and all fit flawlessly and offer a sound that is truly extraordinary, i was advised to buy this brand with guaranteed satisfaction, and i openly admit that is what i have. Complete satisfaction and super pounding power, highly recommended, state of the art is JL Audio, and i got a 8 inch sub instead of 10 i was very worried it would not provide the bass i wanted wow it vibrates the mirrors and seats and thumps!! more than expected and surpassed 2 friends 10 and 12s they had

By Phillip on June 14, 2010


found this helpful.


I got 3 and they sound real good. They are a must buy.

By Marcus on July 19, 2012


found this helpful.

Super 8

2008 Wrangler Unlimited. Made spacer so that the 8w3v fits in OEM enclosure. Being fed by Cadence XAH250.2 mono. If you are reading the reviews, you know the praise for this little thing. No BS, this little thing is awesome for an 8. In previous vehicles, I've had a single 10 and a single 12. Both Polk db's. The JL is as loud as the 10 and musically it sounds better than both the 10 and 12. Both db's sounded "messy". This one is very precise. Definitely worth they extra money and for this particular application, it is perfect.

By John on February 9, 2012


found this helpful.

Great deal

i would recommend these speakers to anyone who is tight on space but still wants the good sound and or bass. They are a little pricey but i would buy them again in a heart beat

By Jake on January 3, 2010


found this helpful.


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