




"Fit perfectly and worked exactly as expected — support was excellent."
JL Audio 8W3v3-4
Upgrade Your Vehicle With Confidence. This Is Built to Fit, Perform, and Last
The JL Audio 8W3v3-4 is a powerful 8-inch subwoofer engineered to deliver impressive bass in compact spaces. Designed for high performance and versatility, this subwoofer provides tight, impactful low-frequency output that enhances any car or home audio system. Its robust construction and advanced engineering make it an excellent choice for custom installs or small enclosures.
Key Features
| 8-Inch Driver | Compact size with deep, tight bass response. |
| 250W RMS Power Handling | Reliable performance for everyday listening or powerful builds. |
| 4-Ohm Voice Coil | Provides flexible wiring options. |
| Mineral-Filled Polypropylene Cone | Durable, distortion-resistant construction. |
| Vented Pole Piece | Enhanced thermal management during high output. |
| Compact Mounting Depth | Only 4.63" deep, ideal for tight spaces. |
| Durable Rubber Surround | Ensures long-term cone control and flexibility. |
| Advanced Motor Design | Delivers accurate bass with low distortion. |
| Consistent Performance | Engineered for high-output applications. |
| Sealed or Ported Enclosure Compatibility | Flexible installation options. |
| Universal Application | Suitable for car, truck, or even home setups. |
Specifications
| Driver Size | 8 inches |
| Power Handling | 250W RMS / 500W Peak |
| Frequency Response | 28Hz – 250Hz |
| Impedance | 4 ohms |
| Mounting Depth | 4.63 inches |
| Recommended Enclosure | Sealed or ported |
What's in the Box
- JL Audio 8W3v3-4 8" Subwoofer (Single 4-Ohm Voice Coil)
- Owner’s Documentation
- Ships within 1–3 business days from our warehouse
- Tracking included with every order
- Free 30-day returns if it doesn’t work for your setup
- 2-year manufacturer warranty
- Authorized dealer guarantee
- Real installer-backed support before and after purchase

Why This Upgrade Makes Daily Driving Better
Ease of Use & Safety
Expandable by Design
FITMENT & INSTALLATION MADE SIMPLE
WHAT VEHICLES IT WORKS WITH
We verify compatibility before you buy, no guesswork.
DIY FRIENDLY IF:
- You're comfortable with basic tools
- You follow provided instructions
PROFESSIONAL INSTALL RECOMMENDED IF:
- Your vehicle requires dash kits or wiring adapters
- You want a turnkey experience
INSTALLATION CREDIT & SUPPORT:
- $75 Installation Credit when purchased online
- Speak to real installers before you buy
- Bring it into one of our locations for install
Why Buying This Here Is Safer Than Anywhere Else
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Verified Vehicle Fit
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Installer Support
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Authorized Products
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Easy Returns
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Physical stores & real installers
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FREQUENTLY ASKED QUESTIONS
FREQUENTLY ASKED QUESTIONS
How do I know this stereo or speaker will fit my car?
Select your year, make, and model using the Vehicle Fit Guide at the top of the page. You’ll only see products that are compatible with your exact vehicle setup.
What happens if I order something that doesn’t fit?
You can return or exchange it within 30 days. We’ll help you identify the correct part for your vehicle so you don’t have to guess again.
Are these products brand new and covered by warranty?
Yes — all products are brand new, authentic, and sold as an authorized dealer, which means they include a full manufacturer warranty.
Can you install this for me, or do I need to do it myself?
You can do either. Install it yourself, or use your $75 installation credit at our shop and have it professionally installed by our team.
What if I don’t know what to choose for my car?
Tell us your vehicle and what you want to improve (sound, bass, CarPlay, etc.). We’ll recommend the exact products that fit your car and your budget.
