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Description
LAB PreFab™ 1.00 ft^3 Kerf-Ported MDF Enclosure Box w/ Double MDF Front Baffle for Single 8" Car SubwooferWhat kind of subwoofer does this fit? This enclosure is precision built for a single standard 8" round subwoofer. The cutout diameter is exactly 7. 25" (7 1 4"). Will it fit in my vehicle? Yes, it features a highly compact daily footprint designed to squeeze maximum bass out of restricted spaces, making it an excellent fit for small trunks, hatchbacks, or behind the seat cargo areas. The exact external dimensions are 24. 25" W x 10" H x 15. 25" D. How
What kind of subwoofer does this fit?
This enclosure is precision-built for a single standard 8" round subwoofer. The cutout diameter is exactly 7.25" (7-1/4").
Will it fit in my vehicle?
Yes, it features a highly compact daily footprint designed to squeeze maximum bass out of restricted spaces, making it an excellent fit for small trunks, hatchbacks, or behind-the-seat cargo areas. The exact external dimensions are 24.25" W x 10" H x 15.25" D.
How is the performance and wiring?
This premium cabinet completely steps out of the lane of standard pre-fabricated boxes. It features an advanced, precision-machined smooth radius kerf port tuned to 38Hz. The curved wood design of the kerf port completely eliminates the sharp inner corners of traditional slot-ports, drastically reducing air turbulence and port noise (chuffing) to provide ultra-clean, punchy, and incredibly efficient low-frequency output. 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:
- Precision Radiused Kerf Porting: Machined with a curved inner port exit to seamlessly channel airflow, dropping chuffing to zero while driving up output efficiency.
- 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 8-inch vented round woofer enclosure with radiused kerf port
- Compatible with one (1) standard 8" 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: 1.00 ft^3 (before driver's displacement)
- Peak tuning frequency (Fb): 38Hz
- Sub cutout diameter: 7.25"
- Max mounting depth: 10.50"
- Dimensions: 24.25"W x 10"H x 15.25"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
4.1 ★★★★★
Based on 373 reviews
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Product Reviews
★★★★★ 5
Great and comfy
Color: White
This is genuinely such a good chair and super comfy, the assembly was a little confusing at first but it’s very simple once you get started. I’m 5’2 and it’s nice and big, you can sit however you want and although it is expensive I do think it’s worth it. You can fully recline down to sleep if you wanted as well. It’s nicely designed and sturdy. Definitely get it if you are thinking about it!!
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Reviewed in the United States on June 5, 2026
★★★★★ 5
LIFE-CHANGING. The only chair you'll ever want or need.
Color: Black
So... This chair has absolutely changed my life. I don't often leave reviews, but this is WORTH IT. I want one in every room in my home. Just as the other reviewer with the 'life-changing chair' title to their review: I've had 100% the same experience - especially as someone who sits 3,000 different ways w/ ADHD lol. So, in addition to agreeing with all those comments...
I'll just add a few more thoughts here to further convince you:
- I received the Cream/Teddy one as a Christmas gift and have literally have looked forward to sitting it in for work every. single. morning. for work.
- I *ALSO* purchased a second one in the black velvet one to gift to my partner and his experience has also been 'life-changing.' (The black velvet is definitely sleeker looking, almost a teeny slippery, but just beautiful fabric. Love it. A note here: the fabric came with a crease, which steamed out no problem.)
- I sit and edit websites and photo/video everyday, all day, for work, and I also spend a good chunk of my time gaming with my partner. (Now we are *both* very comfortable for those longer 5+ hour sessions.)
- Previously I had tried the viral criss-cross chair and while it was cute and great at first, it just didn't hold up and started causing numb spots on my lower back after ~2 hours. Not an all-day chair at all. This one has solved all back issues for me!
Size: definitely big & the back is quite a tall height but it makes you feel cozy, supported, *and* you can lean back, recline, adjust every little bit you like, have space for a velcro cat, sit criss-cross or 3,000 other ways as a ADHDr trying to sit all day, lol, etc. -- all things I was looking for in an upgrade. For reference, it fits someone 5'5" to 6"5" just as comfortably. I'd say it feels on the bigger side for someone under 6 foot, but personally, I love that. It's like a real adult chair - much needed if you sit for 6+ hours a day.
Leg rest: Easy to flip out, I love using this so you can sit cross cross AND lean back, or just as extra 'accommodate the cat' space.
Noise level: the arms clicking down/adjusting is loud, but I don't find myself adjusting them all that often. Especially when my cat claims this chair first, anticipating the start of our work day.
Comfort level: 100% and 2.5-3 months in, it's still going strong and I'm more obsessed each day.
*To the store: THANK YOU for making this chair, please never stop.
*To the person reading this review: BUY IT. Let this be the review to convince you - your cat will take over the chair and you'll have to fight over it, it's that comfy. I mean, they know best, do they not?
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Reviewed in the United States on February 15, 2026
★★★★★ 4
Beautiful sturdy, cozy chair, BUT…..
Color: White, Color: White
Updated review.
I was so excited to get this chair that I jumped the gun and wrote the review prior to spending more time seated.
I only have one issue, which is the back bottom of the seat cushion. That’s a big deal. It appears so thick, fluffy and inviting, however, when I sat in it for a couple of hours it completely went flat in the back feeling like I was sitting on a board. I’m 5’4” 180 lbs, which means my feet don’t touch the floor so adding a cushion will elevate me a little more. I’m OK with that but it’s going to ruin aesthetic of the chair which is which is not ok. I do love the idea of this chair. It’s design and the color. I wish the seat cushion had a zipper, which would eliminate my issue. I’d say if you’re someone who has to spend a lot of hours in this chair, you probably won’t like it. I do like the reclining back and the foot rest. It is comfortable to lay back but that doesn’t change the issue in the back bottom of the seat cushion.
I absolutely love this chair, I didn’t want to get up. It’s beautiful and cozy. Assembly was easy as I’ve assembled chairs before. I changed the wheels to a double roller blade easy on hard wood floors. I also scotch guarded the entire chair. This chair is sturdy and well made.
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Reviewed in the United States on February 25, 2026
★★★★★ 5
just get it and stop second guessing
Color: White, Color: White
I reallllly love this chair. I almost talked myself out of it because of some of the bad reviews here and there but i’m glad i listened to a majority of the good reviews, because this chair is perfect.
shipping: it was super fast. it came 5 days earlier than expected. I got it on a Monday when it said it’d be here on Friday
packaging: double boxed and bubble wrapped. Didn’t find any dings or scratches on anything. all parts were there including instructions
assembly: my boyfriend put it together in 40 minutes. We didn’t have any issues zipping up the back cover like other reviews said and he said it was easy instructions to follow, and easy to put together.
size and comfort: it’s bigger than the pictures let on! I’m 5’3 135lbs and feel like I’m sitting on a giant cloud. The comfort is 10/10. I just had a chair with basicslly zero butt cushion which i cannot have while working from home 8+ hrs a day in a chair. Comfort was the most important for me and I finally can’t feel the flat seat under me. I can’t express how comfy it is.
Functions: can move the arm rests up and down. adjust the back to tilt all the way back to a sleeping position or fully upright which i didn’t even realize was a function! The only thing with the armrests; if you’re wanting your pet on it (like advertised) when the arm rests is put down there is a big gap that isn’t comfortable for animals (as pictured) so I have to put a blanket or pillow there for my small dog to lay comfortably.
I’m obsessed with the fact I can sit cross legged, normally, laying down, sprawled up, or legs up. I have room to sit however I want, and the foot rests helps a ton with feeling even more comfortable.
Overall, I’d get this chair 10x over. Not only do I work from home and spend hours in a chair, but I spend additional time playing video games so a good quality chair is very important to me. This has began to help fix my posture and back and neck issues.
Get it!!!
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Reviewed in the United States on February 24, 2026
★★★★★ 5
If You Sit Weird Like Me… Just Buy This Chair
Color: Galaxy Black
I work from home and spend a lot of time sitting for hobbies like Legos, PC games, and crafts—so a comfortable chair is a must. I LOVE this chair so far.
I’ve always struggled to get comfortable in traditional office chairs, and the ability to move around is really important to me. With this one, I can easily cross my legs, use the footrest to stretch out with my knees bent, or just sit normally. I’m 5’4”, so my feet don’t quite touch the ground, but that doesn’t bother me since I’m constantly switching positions anyway.
I’ll probably add a small pillow for extra back support and maybe fold a blanket for a bit more seat cushioning. It’s comfortable overall, but after long periods of sitting, you might start to feel it.
The black sparkle version is MUCH cuter in person, and I’m so glad I went with it. A lot of reviews say, “don’t think about it, just get it”—and honestly, they’re right. I debated for a couple weeks before buying, and I have zero regrets.
Assembly was easier than I expected. I tend to get frustrated putting things together, but this was pretty painless. One tip: check inside the cushioned back piece for the extra headrest part—you’ll need it to attach to the hard back before inserting it into the cushion. Once I figured that out, the rest was simple.
The chair is a bit larger than a standard office chair and can feel a little bulky depending on your desk setup, but I actually like the extra space since I move around a lot while sitting.
It feels sturdy and well-made. It’s also slightly warmer than a mesh chair, which I personally love because I’m always cold.
I am just happy to find a chair that feels comfortable like a recliner and movable like an office chair.
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Reviewed in the United States on April 20, 2026
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