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Description
LAB PreFab™ 2.70 ft^3 Sealed MDF Enclosure Box for Trio of 12" Round Car SubwoofersWhat kind of subwoofers does this fit? This enclosure is precision built for three (3) standard 12" round subwoofers. The cutout diameters are exactly 11. 00". Will it fit in my vehicle? Yes, it features a practical, elongated low profile footprint designed to maximize a triple 12 inch subwoofer setup across the full width of your cargo area while maintaining a shallow depth profile. The exact external dimensions are 40. 25" W x 14. 25" H x 11. 50" D.
What kind of subwoofers does this fit?
This enclosure is precision-built for three (3) standard 12" round subwoofers. The cutout diameters are exactly 11.00".
Will it fit in my vehicle?
Yes, it features a practical, elongated low-profile footprint designed to maximize a triple 12-inch subwoofer setup across the full width of your cargo area while maintaining a shallow depth profile. The exact external dimensions are 40.25" W x 14.25" H x 11.50" D.
How is the performance and wiring?
This enclosure features individual airtight sealed chambers for each subwoofer, ensuring independent acoustic performance, zero pressure interference between drivers, and incredibly tight, musical bass transients. It delivers linear, highly accurate reproduction across all genres of music with superior power handling. It comes equipped with premium speaker terminal cups featuring gold-plated binding posts (note: installer passes wiring internally between chamber partitions to consolidate terminal connections).
LAB PreFab™ Enclosures: Premium Off-The-Shelf Performance
LAB PreFab™ enclosures are the highest-quality prefabricated speaker boxes on the market. Proudly made in the USA and constructed of solid CNC-cut high-grade MDF (medium density fiberboard), these cabinets offer exceptional durability and acoustic rigidity. Whether you are looking for an install-friendly solution or an efficient space-saver, the LAB PreFab™ series delivers reliable, solid performance without the custom-shop price tag or wait times.
Available in both ported and sealed configurations, each cabinet is built with tight construction tolerances and covered in high-grade automotive carpet to blend seamlessly into your vehicle's interior. It is the ultimate plug-and-play solution for daily commuters and car audio enthusiasts who want high-quality bass without sacrificing cargo space.
The PreFab™ Advantage:
- Solid American Construction: Designed, cut, and assembled in California, USA using precision CNC machinery and high-grade MDF.
- Airtight Performance: Assembled with high-strength wood glue and complete internal sealing to ensure zero panel flex and absolute airtight isolation between chambers.
- Clean Universal Fitment: Built to industry-standard dimensions that match the recommended specifications of the market's leading subwoofer brands.
Technical Specifications:
- Triple 12-inch sealed round woofer enclosure
- Compatible with three (3) standard 12" round subwoofers
- Constructed of 0.63" CNC-cut high-grade MDF
- Individual airtight sealed internal chambers for accurate, isolated driver performance
- High-grade black automotive carpet finish
- Standard speaker terminal cups with gold-plated binding posts
- Made in California, U.S.A.
- Enclosure volume: 0.90 ft^3 (per chamber)
- Sub cutouts: 3x 11.00" Round
- Max mounting depth: 10.00"
- Dimensions: 40.25"W x 14.25"H x 11.50"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
4.5 ★★★★★
Based on 249 reviews
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Product Reviews
★★★★★ 4
Excellent Hard Sci-Fi… Until the Politics Pull You Out
Format: Kindle
I was really excited to dive into Project Hail Mary. As a longtime Isaac Asimov fan, I’ve been craving fresh, modern hard science fiction that actually respects the science. This book delivered — at least for a while.
The author injects real science into the story in a way that’s both fun and fantastic. You don’t need to be an engineer to follow it; a solid high-school education is plenty. The concepts stretch your imagination without ever feeling impossible, and for the first chunk of the book I was hooked. I genuinely thought I’d found a new favorite author.
Then the jarring interruptions started.
Out of nowhere you get yanked out of the immersive sci-fi world by modern political pandering that feels completely unnecessary. A random parenthetical about Columbus “discovering an already inhabited world” when comparing something to the New World. Casual pronoun lectures. Characters selected or described by race and identity in ways that scream “check the boxes.” These moments don’t serve the story — they feel injected. Once you notice the author’s leanings, it becomes hard to unsee.
Each time it happens, the fantasy evaporates. It takes several chapters to sink back into the story… only for the next micro-lecture to pull you right back out.
Overall, I loved the writing, the hard science, and the imagination. It’s some of the best sci-fi I’ve read in years. I just wish the author had trusted the story instead of sneaking in real-world politics. It’s like eating the best meal of your life… and then finding a hair or two in it.
Strongly recommended for the sci-fi, with the above caveat.
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Reviewed in the United States on May 17, 2026
★★★★★ 5
A Good Intriguing Start
Format: Kindle
A very good read. I thought Hickman wrote the best version of Doom, but this story so far is exceeding my expectations. This is a well written Doom, intelligent, strategic, all the things you want a good villain to be.
And that’s the thing, Doom hasn’t done anything one could call necessarily villainous yet, so at this point you’re kind of on his side. I’m curious to see if the writers can pull off a heel turn that doesn’t have him suddenly act out of character or do something incredibly stupid in order to show his villainy in the end.
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Reviewed in the United States on June 25, 2025
★★★★★ 5
One World Under Doom (2025-) #1
Format: Kindle
One world under Doom, fantastic first issue. Great character interaction. The storyline and artwork draw me right in. Can't wait for next issue.
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Reviewed in the United States on June 25, 2025
★★★★★ 5
Doom!!
Format: Kindle
Big fan of Doom!! Great start so far. Highly impressed with the story and the characters in this series so far.
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Reviewed in the United States on May 3, 2025
★★★★★ 3
I Expected More Character-wise
Format: Kindle
Ryan North's Fantastic Four series is a fantastic read, and the titular heroes are a well-written team. But, the characters featured in this series seem pretty shallow, if not stupid.
I get that to move a series along you need the characters to exhibit recognizable surface-level traits and to get them into situations in rather short order, but asides from Doom's elaborate planning, the characters in this comic feel hollow to me.
There are eight more issues to go, and I'm onboard for the conclusion, but I hope that this main series gets some personality on its own apart from needing the accompanying tie-in series to do that.
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Reviewed in the United States on February 12, 2025