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Description
LAB PreFab™ 4.00 ft^3 Ported MDF Enclosure Box for Single 15" Round Car SubwooferWhat kind of subwoofer does this fit? This enclosure is precision built for a single standard 15" round subwoofer. The cutout diameter is exactly 14. 125" (14 1 8"). Will it fit in my vehicle? Yes, it features a maximized internal airspace configuration while maintaining a high output deep cabinet profile suited for SUVs, trucks, large trunks, and cargo areas. The exact external dimensions are 33" W x 16. 50" H x 21" D. How is the performance and
What kind of subwoofer does this fit?
This enclosure is precision-built for a single standard 15" round subwoofer. The cutout diameter is exactly 14.125" (14-1/8").
Will it fit in my vehicle?
Yes, it features a maximized internal airspace configuration while maintaining a high-output deep cabinet profile suited for SUVs, trucks, large trunks, and cargo areas. The exact external dimensions are 33" W x 16.50" H x 21" D.
How is the performance and wiring?
Designed as a true high-end, custom-ported specification, this cabinet steps far out of the lane of generic boxes. It is precision-engineered with a massive 4.00 ft³ of internal volume and a high-velocity custom slot-port tuned to 32Hz to deliver incredibly deep, heavy-hitting, and highly efficient low-frequency extension tailored perfectly to high-performance round 15-inch subwoofers. It features an upgraded 2" round nickel-plated binding post for secure and reliable wiring connections.
PreFab™ Custom-Spec Series: The Off-The-Shelf Custom Enclosure
In the car audio community, off-the-shelf boxes usually mean thin panels, generic tuning, and choked output. We developed the LAB PreFab™ Custom-Spec series to completely rewrite that narrative. Proudly manufactured in the USA, this series delivers true custom-shop acoustic performance without the custom-shop price tag or wait times.
Each cabinet is precision-cut from solid high-grade MDF and engineered around a highly optimized, high-velocity custom slot-port design. Instead of generic calculation curves, these enclosures are built around real-world manufacturer specifications to ensure proper port area, maximum flow, and ideal airspace matching. It is the ultimate plug-and-play solution for audiophiles and daily bassheads who refuse to compromise on custom-level low-end extension.
The Custom-Spec Advantage:
- True Custom Slot-Porting: Engineered with optimized port areas and precise tuning to replicate custom-shop low-end extension and power handling.
- American Made Solid Build: Designed, cut, and assembled in the USA using high-grade CNC-cut MDF to ensure maximum acoustic efficiency.
- Manufacturer-Spec Airspace: Built closer to specialized manufacturer parameters than any generic box on the market—ready to ship, ready to slam.
Technical Specifications:
- Single 15-inch vented round woofer enclosure
- Compatible with one (1) standard 15" round subwoofer
- Constructed of 0.63" CNC-cut high-grade MDF
- Reinforced 1.25" MDF double-layered front baffle to prevent panel flex under extreme load
- High-grade black automotive carpet finish
- Upgraded 2" round nickel-plated binding post
- Made in California, U.S.A.
- Enclosure volume: 4.00 ft^3 (before driver's displacement)
- Peak tuning frequency (Fb): 32Hz
- Sub cutout diameter: 14.125" (14-1/8")
- Max mounting depth: 19.50"
- Dimensions: 33"W x 16.50"H x 21"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
4.9 ★★★★★
Based on 24 reviews
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Product Reviews
★★★★★ 5
It's one of the only toys that we originally got for our pup that has lasted
Color: Blue goose - pineapple plush
We got a lab mix (we think with a Great Dane) on Labor Day weekend 2025. She has destroyed 100% of the toys we got her that weekend, with the exception of this duck. Yes, it is missing it's feet at this point (they got chewed off and torn sometime around Halloween), but the duck itself is still intact. She chews on the duck every day, it's one of her favorite toys, and it's seen some things. We've washed it a few times in the laundry machine, and it looks nice a clean every time we pull it out and let it dry. She's gnawed on it through losing puppy teeth and getting adult teeth, and she's is currently chewing away on her duck on her bed in the living room.
I understand others have reported really mixed reviews, but I'm so glad we got this duck and it's one of the only toys we've bought that I feel like was worth the price because it didn't get destroyed immediately. We plan on buying another one for Christmas.
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Reviewed in the United States on November 18, 2025
★★★★★ 5
Honestly….
Color: Blue goose - pineapple plush, Color: Blue goose - pineapple plush
I hate to buy Giant or Tiny a toy only to find it in some corner ignored. Would this goose make a lifetime friend OR would it fly away to some unknown corner of the house?!?! I was thrilled that Giant wanted to open the box himself. As soon as I set it on the table for some pictures, Giant saw his chance and grabbed it. This happened again! Safe to say, our family gives this a FIVE!! This is great as it squeaks and crinkles. It is super soft cloth and states it can hold up to aggressive chewers. It is one foot long. The stitching all seems to be in place. They state it is "Upgraded Indestructible" as it is sturdier material. The last toy has lived up to that claim.
QUALITY: 5 out of 5
PROS: For us, it's the crinkle sound. I'm not sure why but they love that sound. Easy wash and go is great too!
CONS: I wish it was bigger than one foot but that is because I have a big dog.
Overall, Fantastic toy that is always with a dog. I will need to purchase more to have hidden away should it ever get lost.
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Reviewed in the United States on March 1, 2026
★★★★★ 3
“Indestructible” not so much
Color: Blue goose - pineapple plush
Cute as can be, but the cloth-only tips on the wings and tail were immediately ripped off, eaten, and vomited. I’m hoping without those, the toy will be “more” indestructible.
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Reviewed in the United States on May 29, 2026
★★★★★ 4
He loved the toy
Color: Blue goose - pineapple plush, Color: Blue goose - pineapple plush
My dog loved this toy, however it is not indestructible, he had it in 2 pieces within a day, but I do need to say he is a big boy and we haven’t found a toy yet that he can’t destroy
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Reviewed in the United States on April 10, 2026
★★★★★ 2
Disappointed
Color: Platypus - pineapple plush, Color: Platypus - pineapple plush
3 month old husky mix ripped this toy open within hours of having it and as of now, all the feet are missing. I only let him play with it a few hours a day because of the squeaker, so not as advertised.
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Reviewed in the United States on June 4, 2026
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