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JL Audio  12W1v3-4

W1v3 Series 12" 600W Peak Power Handling at 4 Ohms, Single Voice Coil Component Car Subwoofer

Item #36649

Condition:   Brand New

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12W1v3-4
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Product Highlights
  • W1v3 Series
  • 12" Subwoofer
  • 600W Peak Power
  • 4 Ohms Impedance
  • Single Voice Coil
  Free 2-Years Warranty Included!
60 DAYS Returns Accepted.
FREE Lifetime Tech Support.
FREE Shipping.
60 DAYS Price change protection.
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3 Reviews

$279.99

Reg. Price $349.99  Save $70.00
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JL Audio 12W1v3-4 W1v3 Series 12" 600W Peak Power Handling at 4 Ohms, Single Voice Coil Component Car Subwoofer

We are a JL Audio authorized dealer so you get up-to-date, fully warrantied products. Shipping is free to the lower 48 states on everything you order!

What's Inside?
  • • (1) 12" Single 4-ohm voice coil subwoofer
  • • Black plastic trim ring
  • • Owner's Manual

 

Why Choose JL Audio 12W1v3-4 Component Car Subwoofer?

 

 

JL Audio 12W1v3-4 Component Car Subwoofer Straight Front View
Compact, Accurate Bass

Engineered for space-saving enclosures, the W1v3 delivers impressive output, accuracy, and sound quality at moderate power levels. DMA-optimized motor and suspension ensure tight, clean, and articulate bass, while the black mica-filled polypropylene cone with rubber surround provides durable, crisp lows. An aluminum dust cap with the JL Audio logo adds a premium finishing touch.

Compact, Customizable Design

With a shallow 5-7/16" mounting depth, the W1v3 fits where traditional subs cannot. The removable trim ring can be painted to match your vehicle, and optional steel-mesh grille inserts (sold separately) add style and protection.

 

JL Audio 12W1v3-4 Component Car Subwoofer Side Profile

 

 

JL Audio 12W1v3-4 Component Car Subwoofer Rear Three-Quarter Angle View
Flexible, High-Performance Bass

Compatible with sealed or ported enclosures, the W1v3 supports 75–300?W RMS amplifiers (10- and 12-inch models). Inspired by W7 engineering, it features specialized venting, precise cone bonding, and advanced suspension for linear, reliable bass performance.

Versatile, Affordable Bass

Compatible with sealed or ported enclosures, the W1v3 lets you tailor bass response to your preference. Delivers JL Audio-quality sound at a budget-friendly price, providing reliable, professional-grade performance for moderate-power setups.

 

JL Audio 12W1v3-4 Component Car Subwoofer Three-Quarter Front Angle View with Protective Mesh Grille

 

JL Audio 12W7AE-3 vs 12W6v3-D4 vs 12W3v3 (2Ω/4Ω) vs 12W1v3 (2Ω/4Ω) vs 12W0v3-4 | Which 12" JL Audio Subwoofer Is Best?

JL Audio 12" Subwoofer Performance Battle
JL Audio 12W7AE-3

12W7AE-3
12" W7AE Series Single 3-Ohm Flagship Subwoofer

BEST PERFORMANCE
  • • 1000 Watts RMS
  • • Single 3-Ohm Voice Coil
  • • Massive Long Excursion
  • • Reference-Level Sound Quality
  • • Deepest Bass Extension
  • • Highest Output
  • • Ultimate SQL Performance
  • • JL Audio Flagship Subwoofer
 JL Audio 12W6v3-D4

12W6v3-D4
12" W6v3 Dual 4-Ohm Premium SQL Subwoofer

BEST SQL
  • • 600 Watts RMS
  • • Dual 4-Ohm Voice Coil
  • • Outstanding Sound Quality
  • • High Excursion Design
  • • Deep, Accurate Bass
  • • Flexible Wiring Options
  • • Premium Daily Performance
  • • Audiophile Favorite
 JL Audio 12W3v3-2 and 12W3v3-4

12W3v3-2 / 12W3v3-4
12" W3v3 Series High-Performance Subwoofer

BEST VALUE SQL
  • • 500 Watts RMS
  • • Available in 2Ω or 4Ω
  • • DMA Optimized Motor
  • • Excellent Sound Quality
  • • Strong Low-End Output
  • • Compact Box Friendly
  • • Outstanding Price-to-Performance
  • • Ideal Daily Driver
 JL Audio 12W1v3-2 and 12W1v3-4

12W1v3-2 / 12W1v3-4
12" W1v3 Series Sound Quality Subwoofer

BEST VALUE
  • • 300 Watts RMS
  • • Available in 2Ω or 4Ω
  • • Compact Enclosure Friendly
  • • Excellent Musical Bass
  • • Easy to Drive
  • • Great Factory Upgrade
  • • Tight & Accurate Response
  • • Excellent Everyday Performance
 JL Audio 12W0v3-4

12W0v3-4
12" W0v3 Series Entry-Level Subwoofer

BUDGET PICK
  • • 300 Watts RMS
  • • Single 4-Ohm Voice Coil
  • • Affordable JL Audio Option
  • • Smooth Musical Bass
  • • Small Sealed Box Friendly
  • • Easy Installation
  • • Great for Factory Systems
  • • Best Entry-Level Choice

Series Breakdown

ENTRY LEVEL

12W0v3-4

Best For:
Budget systems, factory audio upgrades, and first-time JL Audio installations.
Pros
  • Affordable JL Audio 12" subwoofer
  • 300 Watts RMS handling
  • Smooth, musical bass
  • Works in compact enclosures
  • Easy amplifier matching
Cons
  • Lowest output capability
  • Limited excursion
  • Basic feature set
VALUE PICK

12W1v3-2 / 12W1v3-4

Best For:
Daily drivers wanting clean, accurate bass with excellent value.
Pros
  • Excellent sound quality
  • 300 Watts RMS handling
  • Available in 2Ω or 4Ω
  • Easy to drive
  • Compact enclosure friendly
Cons
  • Less output than W3/W6/W7
  • Moderate excursion
BEST VALUE SQL

12W3v3-2 / 12W3v3-4

Best For:
Daily SQL systems needing strong output and outstanding sound quality.
Pros
  • 500 Watts RMS handling
  • Excellent SQL balance
  • Deep, punchy bass
  • DMA optimized motor
  • Outstanding value
Cons
  • Requires a stronger amplifier
  • Higher cost than W1
PREMIUM SQL

12W6v3-D4

Best For:
Audiophiles seeking exceptional sound quality and deep, accurate bass.
Pros
  • 600 Watts RMS handling
  • Outstanding sound quality
  • High excursion design
  • Dual 4Ω voice coil
  • Excellent low-frequency extension
Cons
  • Premium price
  • Larger enclosure recommended
FLAGSHIP

12W7AE-3

Best For:
Serious enthusiasts wanting the deepest bass, highest output, and ultimate JL Audio performance.
Pros
  • 1000 Watts RMS handling
  • Reference-level sound quality
  • Massive long excursion
  • Deepest bass extension
  • Industry-leading SQL performance
Cons
  • Most expensive model
  • Requires a powerful amplifier
  • Needs a larger enclosure

Which One Should You Buy?

If You Want... Recommended Model
Best Budget 12" JL Audio Subwoofer 12W0v3-4
Best Value for Everyday Use 12W1v3-2 / 12W1v3-4
Best Overall Value (SQL) 12W3v3-2 / 12W3v3-4
Best Sound Quality 12W6v3-D4
Best Sound Quality + SPL 12W7AE-3
Deepest Bass 12W7AE-3
Highest Output 12W7AE-3
Best Factory System Upgrade 12W1v3-2 / 12W1v3-4
Best Daily Driver 12W3v3-2 / 12W3v3-4
Best Audiophile Choice 12W6v3-D4

Overall Ranking

ENTRY LEVEL

12W0v3-4

The most affordable way to enjoy genuine JL Audio 12-inch bass with smooth, musical performance and reliable everyday output.

VALUE PICK

12W1v3

A perfect factory-system upgrade with clean bass, excellent efficiency, and outstanding everyday sound quality.

BEST VALUE SQL

12W3v3

The sweet spot of the lineup, delivering exceptional output, deep bass, and premium sound quality at an excellent value.

PREMIUM SQL

12W6v3-D4

Built for audiophiles, combining exceptional clarity, deep low-frequency extension, and powerful SQL performance.

FLAGSHIP

12W7AE-3

JL Audio's ultimate 12-inch subwoofer, delivering 1000 Watts RMS, reference-level sound quality, massive excursion, and uncompromising bass performance.

Frequently Asked Questions (FAQ)

  • • Why does my 12W1v3-4 emit a burning smell during heavy listening sessions?
    The subwoofer is receiving too much power or a distorted, clipped signal from your amplifier. This model has a strict **300 watts RMS limit**. Reset your amplifier gains using a digital multimeter or oscilloscope to guarantee clean, unclipped output.
  • • Can I wire this single 4-ohm subwoofer down to a 2-ohm load at my amplifier?
    No. Because it features a Single Voice Coil (SVC) 4-ohm configuration, its native electrical impedance cannot be modified or split. To achieve a final 2-ohm load at your amp, you must purchase a matching pair of 12W1v3-4 subwoofers and wire them in parallel.
  • • Why does the subwoofer make a sharp clacking or popping sound when the volume is turned up?
    The enclosure air volume is likely too large. Without proper air suspension damping, the cone will overshoot its **11.4mm mechanical excursion limit**, causing the voice coil to bottom out against the back of the magnet structure. Ensure the box matches JL's specifications.
  • • Is it safe to mount this subwoofer with the magnet pressed flat against the back wall of a shallow box?
    Yes. The W1v3 series features a proprietary **solid pole piece with no rear vent hole**. Because it vents through the frame basket instead of the back of the magnet, you can mount the rear structure directly flush against the back wood surface of the enclosure.
  • • Why does the bass sound weak, hollow, and lack impact on deep notes?
    The 12W1v3-4 is an entry-level sound quality driver with limited excursion, meaning it naturally struggles with sub-bass notes in oversized or generic boxes. For tight, punchy bass, it requires an exact, compact net internal volume of **1.10 cubic feet for sealed boxes**.
  • • Can I use a 500W RMS mono amplifier safely with a single 12W1v3-4 driver?
    Yes, but you must manually limit the power. Since the subwoofer has a continuous power ceiling of 300W RMS, you must use a digital multimeter to carefully back down the amplifier's input sensitivity (gain) control so that the voltage output never exceeds 34.6V.
  • • Why is my digital multimeter reading 3.6 Ohms when this is a 4-Ohm speaker?
    This is perfectly healthy. The 4-Ohm rating is the nominal AC impedance. A standard handheld multimeter measures direct current resistance (Re). For the 12W1v3-4, the native DC resistance naturally rests right around **3.59 Ohms**.
  • • Why do I hear a loose buzzing or rattling noise coming from the front plastic dust cap?
    Over time, heavy cone vibration can cause the factory glue line around the concave dust cap to separate from the main polypropylene cone body. Carefully scrape away the loose residue and re-bond the edge using a specialized, flexible CA speaker adhesive.

 

Learn how to wire subwoofers

SPECIFICATIONS

  • Diameter : 12 Inch
  • Maximum Power : 600 Watts
  • Sensitivity : 86.81 dB
  • Impedance : 4 Ohm
  • Frequency Response : 22-200 Hz
  • Peak Power Handling : 600 Watts
  • Shallow Mount : Yes Inch
  • Number of Voice Coils : Single
  • Suggested Sealed Box Volume : 1.15 Cubic ft.
  • Suggested Ported Box Volume : 1.65 Cubic ft.
  • Mounting Depth : 5.41 Inches
  • RMS Power Handling : 300 Watts

FEATURES

Features:

  • Engineered for Performance: The W1v3 subwoofer delivers impressive output, accuracy, and sound quality at moderate power levels, fitting comfortably in space-saving enclosures for compact and mid-sized vehicles.
  • Dynamic Motor Analysis (DMA) Optimized Speakers: Proprietary DMA technology ensures linear motor force across a wide range of cone excursions and power levels, producing tight, clean, and articulate bass with minimal distortion.
  • Polypropylene Cone Technology: The injection-molded, black mica-filled polypropylene cone with durable rubber surround provides crisp, strong bass while withstanding extended high-volume play. An aluminum dust cap with the JL Audio logo adds a premium finishing accent.
  • Shallow Mounting Depths: Compact motor and shallow design allow installation where traditional subwoofers won’t fit, with the 12-inch model requiring only 5 7/16 inches of mounting depth.
  • Custom Accents: The included removable trim ring can be painted to match your vehicle’s color scheme, and optional steel-mesh grille inserts (sold separately) can be installed easily for protection and style.
  • Powerfully Adaptable: Works in both sealed and ported enclosures, supporting amplifiers from 75-300 watts RMS for 10- and 12-inch models.
  • Legendary JL Audio Engineering: Incorporates features from the W7 series, including specialized venting to keep the sub cool, precise cone bonding, and a sophisticated suspension system to maintain linear movement and reliability.
  • Versatile Enclosure Options: Compatible with sealed or ported enclosures, allowing you to choose the type of bass response you prefer for your vehicle.
  • Affordable and Reliable: Delivers JL Audio-quality sound without a premium price, giving moderate-power setups professional-grade performance.

 

Specification:

  • Size: 12"
  • Impedance: 4 Ohms
  • Cone Material: Mica-filled polypropylene
  • Surround Material: Rubber
  • Grille: None included
  • Free-Air Capability: No
  • Dual Voice Coil: No
  • Sensitivity: 86.1 dB at 1 watt
  • Frequency Response: 22 – 200 Hz
  • Max RMS Power Handling: 300 watts
  • Peak Power Handling: 600 watts
  • Top Mount Depth: 5 7/16 inches
  • Cutout Diameter: 10 15/16 inches
  • Frame Width/Length: 12.518 inches
  • Vas (liters): 76.63
  • Fs (Hz): 26.21
  • Qts: 0.502
  • Xmax (mm): 11.4
  • Ideal Sealed Box Volume: 1.152 cubic feet
  • Ideal Ported Box Volume: 1.652 cubic feet
  • UPC: 699440920834
  • Weight: 10
  • Authorized Internet Dealer
Warranty: 2 Year(s) Warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for repair within 1 year from the original date of purchase with proper return authorization.

Do you own this product?

Write a review!

  • What do you say about JL? After all its JL... High quality as always. Placed 2 in a .90 underseat box with 200 watts each and they bang away. Excellent product as always.

    Damon
    10/14/2014

  • I recently acquired this sub sealed in a box to replace a my old 12-inch Kicker. Let me tell you, the difference is like night and day. These JL Audio subs outshine the Kicker by a long shot. Even with the same Kicker mono amp that I'm using, it still manage to produce sound that's twice as loud, and the clarity is on another level. The bass reaches much lower frequencies, and the overall sound quality has taken a significant leap. It's safe to say I'm thrilled with the upgrade.

    Steve
    10/26/2023

  • This sub should really be the standard for all 12 inchers. It has that good sound with you’ll surely enjoy listening to. The price is just right too.

    Nolan T.
    4/16/2024

SPECIFICATIONS

  • Diameter : 12 Inch
  • Maximum Power : 600 Watts
  • Sensitivity : 86.81 dB
  • Impedance : 4 Ohm
  • Frequency Response : 22-200 Hz
  • Peak Power Handling : 600 Watts
  • Shallow Mount : Yes Inch
  • Number of Voice Coils : Single
  • Suggested Sealed Box Volume : 1.15 Cubic ft.
  • Suggested Ported Box Volume : 1.65 Cubic ft.
  • Mounting Depth : 5.41 Inches
  • RMS Power Handling : 300 Watts

FEATURES

Features:

  • Engineered for Performance: The W1v3 subwoofer delivers impressive output, accuracy, and sound quality at moderate power levels, fitting comfortably in space-saving enclosures for compact and mid-sized vehicles.
  • Dynamic Motor Analysis (DMA) Optimized Speakers: Proprietary DMA technology ensures linear motor force across a wide range of cone excursions and power levels, producing tight, clean, and articulate bass with minimal distortion.
  • Polypropylene Cone Technology: The injection-molded, black mica-filled polypropylene cone with durable rubber surround provides crisp, strong bass while withstanding extended high-volume play. An aluminum dust cap with the JL Audio logo adds a premium finishing accent.
  • Shallow Mounting Depths: Compact motor and shallow design allow installation where traditional subwoofers won’t fit, with the 12-inch model requiring only 5 7/16 inches of mounting depth.
  • Custom Accents: The included removable trim ring can be painted to match your vehicle’s color scheme, and optional steel-mesh grille inserts (sold separately) can be installed easily for protection and style.
  • Powerfully Adaptable: Works in both sealed and ported enclosures, supporting amplifiers from 75-300 watts RMS for 10- and 12-inch models.
  • Legendary JL Audio Engineering: Incorporates features from the W7 series, including specialized venting to keep the sub cool, precise cone bonding, and a sophisticated suspension system to maintain linear movement and reliability.
  • Versatile Enclosure Options: Compatible with sealed or ported enclosures, allowing you to choose the type of bass response you prefer for your vehicle.
  • Affordable and Reliable: Delivers JL Audio-quality sound without a premium price, giving moderate-power setups professional-grade performance.

 

Specification:

  • Size: 12"
  • Impedance: 4 Ohms
  • Cone Material: Mica-filled polypropylene
  • Surround Material: Rubber
  • Grille: None included
  • Free-Air Capability: No
  • Dual Voice Coil: No
  • Sensitivity: 86.1 dB at 1 watt
  • Frequency Response: 22 – 200 Hz
  • Max RMS Power Handling: 300 watts
  • Peak Power Handling: 600 watts
  • Top Mount Depth: 5 7/16 inches
  • Cutout Diameter: 10 15/16 inches
  • Frame Width/Length: 12.518 inches
  • Vas (liters): 76.63
  • Fs (Hz): 26.21
  • Qts: 0.502
  • Xmax (mm): 11.4
  • Ideal Sealed Box Volume: 1.152 cubic feet
  • Ideal Ported Box Volume: 1.652 cubic feet
  • UPC: 699440920834
  • Weight: 10
  • Authorized Internet Dealer
Warranty: 2 Year(s) Warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for repair within 1 year from the original date of purchase with proper return authorization.
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