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Description
LAB PreFab™ 3.00 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 balanced depth profile suited for larger trunks, SUVs, and cargo areas. The exact external dimensions are 37. 25" W x 17" H x 14" D. How is the performance and wiring? Designed as a
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 balanced depth profile suited for larger trunks, SUVs, and cargo areas. The exact external dimensions are 37.25" W x 17" H x 14" 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 generous 3.00 ft³ of internal volume and a high-velocity custom slot-port tuned to 35Hz 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: 3.00 ft^3 (before driver's displacement)
- Peak tuning frequency (Fb): 35Hz
- Sub cutout diameter: 14.125" (14-1/8")
- Max mounting depth: 12.50"
- Dimensions: 37.25"W x 17"H x 14"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 768 reviews
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Product Reviews
★★★★★ 4
Easy to assemble but overpriced for what you get
I like this rack. Especially because it was very easy to assemble. Although it is only suitable for one size spice bottles. It wont hold larger or taller spices which was a small issue for me. But overall i found it good quality. But i think the price is a bit overpriced for what you receive and for the functionality
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Reviewed in the United States on May 25, 2026
★★★★★ 5
Excellent way to store spices
In the description it clearly states only 4 oz spice jars are recommended, so keep that in mind when ordering. I also included in my pictures one of their pictures showing the size recommendation for your cabinet, that way you can check that too before ordering. Doing both of these things will provide a happier buying experience and minimize frustration with the product itself.
I already had a tiered spice rack that fit my larger and bulk spices beautifully. I felt having my larger spices with my smaller spices made it difficult to access certain items and it just felt chaotic. To solve that issue I order this spice rack organizer for the smaller spices. It was super easy to assemble. All hardware is included and in addition to the hardware to put this together they also included screws, that way if you would like to screw the spice rack into the cupboard itself you can. I did not choose to screw the spice rack down. I have had no issues with it moving around when I use the pull out.
It pulls in and out smoothly and with barely any effort. The pull out design I feel maximizes space and allows you to see everything all the way to back of the rack. This rack is great for any size space and holds a lot of spices. I had additional room to more spices that I did not need even after adding all the small spices that would fit into each of the pull outs.
I feel the price reflects the quality of the product. Yes it is a steep price and can be viewed as expensive, on the other side you get what you paid for. It is aesthetically pleasing and I am planning on at some point buying spice jars that you fill yourself to use on this spice rack. Eventually I am hoping to be more organized and even have my bulk spices be placed in the individual jars that I fill myself while keeping the bulk container in my pantry. I am extremely pleased with this heavy duty spice rack and do recommend it to others.
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Reviewed in the United States on April 8, 2026
★★★★★ 5
Sturdy, Space-Saving Organizer That Makes Cabinets Way More Functional
The **BOIVSHI 2-Tier Vertical Pull-Out Spice Rack Organizer** is a really practical upgrade if you’re trying to clean up a cluttered cabinet or pantry. The vertical design makes excellent use of narrow spaces, and the **smooth sliding rails** are one of the best parts—it pulls out cleanly so you can actually see everything instead of digging through shelves.
The metal frame feels solid and heavy-duty, and the chrome finish gives it a clean, modern look that blends well inside most cabinets. It’s especially helpful for organizing spice jars, oils, sauces, or small pantry items so everything stays upright and easy to grab.
Installation is fairly simple, and once mounted, it feels stable when sliding in and out. The motion is smooth enough that it doesn’t feel like it’s going to jam or tip items over, which is a common issue with cheaper pull-out racks.
One thing to keep in mind is sizing—this type of organizer works best in **standard-width cabinets**, so measuring your space first is important. Also, like most pull-out systems, it’s more about **function and accessibility** than maximizing sheer storage volume.
Overall, it’s a very effective way to turn wasted cabinet space into organized, accessible storage. If you’re tired of stacked spice jars or cluttered shelves, this is a strong upgrade.
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Reviewed in the United States on April 20, 2026
★★★★★ 3
A Sturdy Spice Rack With Some Perks and Some Limitations
We really needed a new spice rack that holds a variety of bottle sizes, and this one is made for a pretty brand-specific bottle style. It does hold some of the older model metal containers, so it looks like we will be adapting to the newer sizes and shapes. This organizer is easy to assemble and fits the space I designed perfectly. The bottom shelf is very sturdy, and the top shelf is not quite as solid, and I'm not sure exactly why.
One thing is for sure: when you fill this spice rack to capacity, you will have all the spices necessary for a well-stocked kitchen. We have not filled it up, but my guess is that we can fit between 35 and 40 individual spice bottles and cans.
Overall, it is at the higher end of value for the money, but it may serve us perfectly through the years and prove itself to be an excellent value and keep all of our spices well organized.
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Reviewed in the United States on May 16, 2026
★★★★★ 5
Very nice pull-out spice rack for square bottles. Mount with screws for permanence.
This Boivshi spice rack organizer is made with stainless steel, and has racks deep enough to keep your spice jars securely in place. There’s a thin plastic sheet for the bottom of each rack. Due to the shape of the racks, I recommend using square spice jars rather than round ones. My 6 ounce square jars fit well, and each rack holds 5 jars. Or you can use the smaller 4 ounce square spice jars and fit 6 jars in each rack. The 4 ounce jars will be looser and slide around more when you pull each rack out. I also recommend getting some round ingredient labels for your jar lids so you can identify contents quickly without having to lift each jar to look at the label. The stainless steel metal is thick, smooth and well attached, with nicely rounded corners. The top row is height adjustable. Each rack has its own extension mechanism. That means when you pull out a rack, it doesn’t pull out the entire row. This is especially important if you’ve used the adhesive to attach the rack to your pantry shelf or inside a cabinet as a top heavy item will pull and loosen the adhesive over time. The rack comes with mounting adhesive and wood mounting screws and its own screwdriver, another bonus for ease of installation. You can choose to mount the rack with the adhesive or the screws. My personal preference here is to attach this rack with the provided screws rather than the adhesive. With glass jars and weight that’s being pulled out over a tile floor in a pantry or over a hard countertop, having the risk of adhesive giving way is inviting disaster. So consider all the options when deciding on how to attach it. Overall, this Boivshi Spice Rack Organizer is very well made, and is a good deal at this price point. I definitely recommend it.
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Reviewed in the United States on March 26, 2026