JL Audio 12W1v3-2 W1v3 Series 12" 300W RMS (600W Peak Power Handling) 2 Ohms, Single Voice Coil Component Car Subwoofer
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What's Inside?
- • (1) 12" Single 2-ohm voice coil subwoofer
- • Black plastic trim ring
- • Owner's Manual
Why Choose JL Audio 12W1v3-2 Component Car Subwoofer?
Unleash Powerful, Precision Bass Anywhere
Experience next-level audio with subwoofers engineered for performance—delivering impressive output, crystal-clear accuracy, and rich sound even at moderate power levels. Their shallow design fits effortlessly into space-saving enclosures with no pole vent clearance needed. Featuring Dynamic Motor Analysis (DMA) optimized speakers, enjoy tight, clean, and articulate bass with ultra-low distortion, making every beat come alive.
Durable, High-Performance Bass in Any Space
Feel every beat with our injection-molded, black mica-filled polypropylene cone and rubber surround, engineered for long-lasting strength and crisp, powerful bass. The sleek aluminum dust cap with the JL Audio logo adds a stylish finishing touch. Thanks to its compact motor design, installation is a breeze—even in tight spaces. For example, the 10-inch W1v3 fits perfectly with just 4.6 inches of mounting depth.
Style Meets Power – Customize Your Sound
Make your subwoofer truly yours with a removable trim ring that can be painted to match your style. Add optional steel-mesh grille inserts (sold separately) for extra protection and a sleek, customized look. Engineered for versatility, these subwoofers pair seamlessly with a wide range of vehicles and amplifiers—delivering powerful, adaptable performance: 8-inch: 50–100 W RMS, 10-inch: 75–300 W RMS, 12-inch: 75–300 W RMS.
JL Audio Performance, Tailored to Your Ride
Experience the pinnacle of audio engineering with JL Audio’s W7-derived technologies, featuring advanced venting for cooling, precision cone bonding, linear motor construction, and perfectly aligned suspension systems—ensuring consistent, high-performance bass every time. Designed for versatility, these subwoofers deliver exceptional sound in both sealed and ported enclosures, letting you tailor your bass to your listening style.
Frequently Asked Questions (FAQ)
- • Why does my 12W1v3-2 make a high-pitched fluttering or ticking noise at high volume?
This is usually caused by the internal woven lead wires slapping against the back of the cone during long-throw movement. If the foam or rubber border is lifting, use a tiny drop of flexible speaker adhesive along the basket edge to reseal it.
- • Can I bridge a single 12W1v3-2 on my 2-channel amplifier?
Only if your amplifier is officially rated stable down to **1-ohm stereo or 2-ohms bridged**. Most standard 2-channel amplifiers can only handle a minimum load of 4 ohms when bridged; running this 2-ohm sub on them will cause immediate overheating and thermal shutdown.
- • Why did my subwoofer stop playing entirely after pairing it with a 500W mono amp?
The 12W1v3-2 is designed for high efficiency with moderate power, handling a **maximum of 300 watts RMS**. Driving it with 500W or feeding it a heavily clipped signal will quickly burn or separate the thin voice coil windings, creating an unfixable open circuit.
- • Is it safe to press the back of this subwoofer flush against the rear wall of my shallow box?
Yes. Unlike most subwoofers that require rear breathing space, the W1v3 series features a specialized **solid pole piece with no rear vent hole**. You can mount the magnet structure directly against the back wood surface of the enclosure without choking airflow.
- • Why does my subwoofer sound loose, muddy, and bottom-out on deep rap basslines?
This happens if your enclosure air volume is too large, causing a loss of mechanical air suspension. The 12W1v3-2 relies on strict back-pressure and performs best in a compact **1.10 cubic feet sealed box** or a **1.60 cubic feet ported enclosure**.
- • Can I wire two JL Audio 12W1v3-2 subwoofers together to create a standard 4-ohm load?
Yes, but only by wiring them together in a **series configuration** (connecting the positive terminal of the first sub to the negative terminal of the second sub). Wiring them in a parallel pattern will drop the final load down to 1 ohm, which can fry standard amplifiers.
- • Why is my digital multimeter reading 2.2 Ohms when this is advertised as a 2-Ohm speaker?
This is completely normal. The 2-Ohm spec is nominal AC impedance. A standard handheld multimeter measures direct current resistance (Re). For the 12W1v3-2, the native DC resistance is exactly **2.21 Ohms**, proving the coil is perfectly healthy.
- • Can I mount this driver out in the open on a rear deck or trunk partition board?
No. This driver has a flexible mechanical compliance (Qts of 0.52) optimized specifically for enclosed boxes. Running it in a free-air or infinite baffle environment will cause the cone to easily overshoot its **11.4mm mechanical excursion limit** and tear itself apart.
Learn how to wire subwoofers

- Diameter : 12 Inch
- Sensitivity : 85.9 dB
- Impedance : 2 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:
- Engineered for Performance: Delivers impressive output, accuracy, and sound quality at moderate power levels; fits comfortably in space-saving enclosures due to shallow mounting depth and no pole vent clearance.
- Dynamic Motor Analysis (DMA) Optimized Speakers: Ensures linear motor force over a wide range of excursion and power, resulting in tight, clean, and articulate bass with ultra-low distortion.
- Polypropylene Cone Technology: Injection-molded, black mica-filled polypropylene cone with rubber surround provides durable, strong, and crisp bass. Aluminum dust cap with JL Audio logo adds a finishing accent.
- Shallow Mounting Depths: Compact motor structure allows installation in tight spaces. Example: 10-inch W1v3 requires only 4.6 inches of mounting depth.
- Custom Accents: Removable trim ring can be painted; optional steel-mesh grille inserts (sold separately) attach directly to the trim ring for added style and protection.
- Powerfully Adaptable: Supports a wide range of vehicles and amplifier pairings. 8-inch: 50–100 W RMS, 10-inch: 75–300 W RMS, 12-inch: 75–300 W RMS.
- Legendary JL Audio Engineering: Incorporates W7-derived technologies, including venting for cooling, cone bonding, linear motor construction, and suspension system alignment for consistent performance.
- Versatile Enclosure Options: Works well in both sealed and ported enclosures to provide tailored bass performance.
Specification:
- Size: 12-inch
- Impedance: 2 Ohms
- Cone Material: Mica-filled polypropylene
- Surround Material: Rubber
- Grille: None included
- Free-Air Use: No
- Dual Voice Coil: No
- Sensitivity: 85.9 dB at 1 watt
- Frequency Response: 22 – 200 Hz
- Max RMS Power Handling: 300 W
- Peak Power Handling: 600 W
- Top Mount Depth: 5 7/16 in
- Bottom Mount Depth: N/A
- Cutout Diameter: 10 15/16 in
- Frame Width: 12.518 in
- Frame Length: 12.518 in
- Vas: 72.04 liters
- Fs: 26.55 Hz
- Qts: 0.521
- Xmax: 11.4 mm
- Ideal Sealed Box Volume: 1.152 cu. ft
- Ideal Ported Box Volume: 1.652 cu. ft
- UPC: 699440920827
- 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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Wow!!! This thing is loud! Glad I don't have to push my amp anymore just to get that bass I am looking for...
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This is the best sub I've ever bought! Hits low and hard in a custom ported box I've purchased from a friend. A bit pricey, but totally worth it. Sounds amazing in my 4Runner!