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Description
LAB OEM-Spec™ 1.25 ft^3 Sealed MDF Enclosure Box for Single JL Audio 12W3v3 SubwooferWhat exact subwoofer does this fit? This enclosure is precision built specifically for a single 12" JL Audio W3v3 subwoofer (models 12W3v3 2 or 12W3v3 4). The cutout diameter is perfectly matched at 11. 0625" (11 1 16"). Will it fit in my vehicle? Yes, it is designed to maximize output while maintaining a practical, space saving footprint. The exact external dimensions are 23" W x 14" H x 10" D. How is the performance and wiring? This sealed design
What exact subwoofer does this fit?
This enclosure is precision-built specifically for a single 12" JL Audio® W3v3 subwoofer (models 12W3v3-2 or 12W3v3-4). The cutout diameter is perfectly matched at 11.0625" (11-1/16").
Will it fit in my vehicle?
Yes, it is designed to maximize output while maintaining a practical, space-saving footprint. The exact external dimensions are 23" W x 14" H x 10" D.
How is the performance and wiring?
This sealed design delivers tight, controlled, and punchy low-end accuracy (with an F3 of 41.8Hz)—ideal for sound quality (SQ) focused systems. It features an upgraded 2" round nickel-plated binding post for secure and reliable wiring connections.
OEM-Spec™ Enclosures: Purpose-Built for JL Audio®
Dropping a premium JL Audio® subwoofer into a cheap leaky box is a quick way to leave performance on the table. Our LAB OEM-Spec™ enclosures aren't trying to reinvent the wheel. Instead, they are precision-built tools manufactured right here in the USA to do exactly what JL Audio® intended.
We construct these with rock-solid 3/4” CNC-cut MDF and feature 1” or thicker front baffles on select models to support heavier motors. These enclosures follow JL Audio’s exact volumetric blueprints to the letter. By utilizing their highly efficient smaller-airspace designs, you get two very practical benefits. You get increased mechanical power handling to keep your sub safe from over-excursion, and you gain a significantly smaller footprint in your trunk.
Available in both ported and sealed configurations for most JL Audio® drivers, the OEM-Spec™ line delivers the accurate, hard-hitting bass JL is famous for at a price point that actually makes sense.
Why It Hits the Mark:
- Factory-Tuned Precision: Built exclusively to JL Audio® factory specs for optimal Thiele/Small (T/S) parameter matching.
- Heavy-Duty Construction: 100% 3/4” CNC-cut MDF with ultra-thick front baffles on select models for maximum structural integrity.
- American Made: Designed, cut, and assembled in the USA for strict quality control.
Technical Specifications:
- JL Audio® designed W3v3 12-inch sealed woofer enclosure
- Built using JL Audio®'s recommended sealed box design for a single 12" JL Audio® W3v3 sub (12W3v3-2 / 12W3v3-4)
- Constructed of 0.75" CNC-cut high-grade MDF
- High-grade black automotive carpet finish
- Upgraded 2" round nickel-plated binding post
- Made in California, U.S.A.
- Enclosure volume: 1.25 ft^3 (net internal)
- F3: 41.8Hz
- Fc: 50.4Hz
- Qtc: 0.96
- Sub cutout diameter: 11.0625" (11-1/16")
- Dimensions: 23"W x 14"H x 10"D
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 9 reviews
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Product Reviews
★★★★★ 2
Not for aggressive chewers
States it's for aggressive chewers, lasted 48 hours. She did enjoy it, but it was short lived.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 29, 2026
★★★★★ 5
Indestructible ball….Destroyed my dog’s goals
Color: Brown
I have a golden retriever that would rather watch the world burn with every toy I’ve ever gotten him than play nice with any of them.
He burns through toys faster than a cardboard bonfire.
However, the trap was set…I bought this as a last ditch effort to show that four legged champion of destruction that he could be bested…
I remember it to this day..
It was a Tuesday - raining
The ball came in the mail and as I nervously unwrapped and opened it, it was as if he knew a new challenger stepped in the ring as he came barreling towards the front door where I stood.
Not today I told myself as I stood with confidence with this ball of justice in front of me.
The usual sit and stay kept him at bay until I tossed it to him in which he had turned into a frantic honey badger shaking the ball and chewing ferociously he wanted the squeaking thing inside that doesn’t squeak but sounds like an ugly cry.
However, it is next Tuesday and the ball stands victorious
My dog has been bested and now understands the chain of command.
He respects the ball but will always come back for more until he feels that he has won
All in all absolutely buy this for aggressive chews and toy playing dogs.
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Reviewed in the United States on March 26, 2024
★★★★★ 5
Broke the first day
I purchased the owl ball because of other dog chew toys I purchased from Amazon. Those other chew toys are still holding together. The main reason I got the owl ball is due to the different noises it makes other than the regular squeak noise. After giving the toy to my dog he loved it right away. He especially liked the noise it made. After a few hours, I noticed he was chewing a white tube-like device. I took this away from him and determined it was the noise maker in the owl ball. I examined the owl ball and noticed the glue used to keep the ball cap shut did not hold. On closer inspection, I noticed what looked like rubber cement was used to hold the cap on but if it was rubber cement it was used improperly. Anyway, I just reglued the cap correctly and now it's just a ball because my dog destroyed the noise maker.
OK, Since I posted this review I was contacted by the seller. They offered to give me a full refund for the owl ball. I accepted the offer. So, I will try it again, but buy a different color owl this time. I never expected a refund since it's just a ball now, my dog still plays with it and it is holding up very well. The material it is made from is pretty sturdy.
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Reviewed in the United States on September 4, 2024
★★★★★ 3
Squeaker not working!
Color: Yellow
I'll give it 3 stars because I love the design and it's sturdy and great for dogs to hold/launch. That said, the squeaker doesn't really work... I tried everything but it just doesn't make any sound. My dog wasn't really interested but when it did make a slight sound he approached it. Once it stopped he lost interest. But he's very difficult to please😆 so if you have a normal dog, he'll probably like it!
I hope the manufacturer fixes the squeaker issue because apparently many people are having the same issue, which is a shame because the product is clearly well made!
I'm on the fence about returning it just because the quality it's amazing(squeaker issue aside)!
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Reviewed in the United States on September 19, 2025
★★★★★ 4
Sturdy rubber ball. Noise maker could be improved
Color: Red
I would have given it five stars because of how much, my dog loved it in the beginning.
And shut us up holds true as a sturdy rubber ball. My only complaint is at with one of my dogs being a heavy chewer, she was able to bust the noise making part. The ball never broke open or anything. It just no longer makes noise. You can hear the piece rattling on the inside. The ball itself is still solid tho
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 6, 2026
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