Best Prefab Sub Box in 2023: Top 10 Picks

Sometimes it might be quite difficult to find the best prefab sub box. With every niche market offering so many different products, it makes sense that this is the case.

Unfortunately, this very fact can make it incredibly difficult to find the item that best suits your needs, which is why we’ve put together this prefab sub box buying guide.

Our Top 10 Recommendations:

#	Preview	Product
1		Q Power QBOMB12V Dual 12" Vented Ported Subwoofer Sub Box with Bedliner Spray	Check Price
2		Skar Audio SK2X12V Dual 12" Universal Fit Ported Subwoofer Enclosure	Check Price
3		HAHIYO Square Speaker Box Terminal Cup Withstand Higher Sound Pressure Less Resonance Connect...	Check Price
4		QPower QBFORDFF09408 8 Inch Quad Port Subwoofer Enclosure Box with Underseat Frontfire for Ford F150...	Check Price
5		Bbox Dual 10 Inch Subwoofer Sealed Enclosure - Fits 1999-2006 Chevrolet/GMC Crew Cab - Heavy Duty...	Check Price
6		American Sound Connection Dual 12" Sub Box Ported Vented Subwoofer Enclosure MDF Car Audio Stereo...	Check Price
7		Q Power QBOMB12VL Single 12" Vented Ported Car Subwoofer Sub Box Enclosure QBOMB	Check Price
8		Skar Audio AR1X10V Single 10" Universal Fit Armor Coated Ported Subwoofer Box with Kerf Port	Check Price
9		Bbox Single 10 Inch Subwoofer Sealed Enclosure - Fits 2002 - 2018 Dodge Ram Quad Cab - Carpeted Car...	Check Price
10		Bbox 12SVSC Single Vented 12 Inch Subwoofer Box - Premium Subwoofer Box Improves Audio Quality,...	Check Price

Best Prefab Sub Box Reviews:

SaleBestseller No. 1

Q Power QBOMB12V Dual 12" Vented Ported Subwoofer Sub Box with Bedliner Spray

• Dimensions: 32 x 14 x 13.25 inches
• Cutout diameter: 11 inches
• Air space (per sub): 1.5 cubic feet
• MDF construction: 0.75 inch
• Durable black bed liner spray finish

Check Price

Bestseller No. 2

Skar Audio SK2X12V Dual 12" Universal Fit Ported Subwoofer Enclosure

• Universal Fit - Dual Chamber 12" Ported Subwoofer Enclosure
• Competition Grade, High Performance Subwoofer Box | Engineered to Sound Incredible
• Kerf (Rounded) Port Design - Allows for Deep, Accurate, and Responsive Bass
• Internal Air Space: 4. 00 ft³ | Tuned @ 32 Hz
• Subwoofer Hole Cut-Out Diameter: 11. 125" | Mounting Depth: 13. 00"

Check Price

Bestseller No. 3

HAHIYO Square Speaker Box Terminal Cup Withstand Higher Sound Pressure Less Resonance Connect Securely Binding Post Connector Black for Subwoofer Box Tower Speakers, 2-way Square-80x80mm-2PCS

• Air tight:In the world of sound we need solid pressure to create vibrations,when you slightly push these on your subs,almost no air will escape and no pressure will escape!Therefore they can withstand higher sound pressure levels and are less prone to any unwanted resonance because of vibration,really bringing a prefab box up a notch.
• Good connections:The brass binding posts give you more connection options and better connections.You can use banana plugs,spades,rings or you can wrap bare wire around them or insert it into the side hole,fully and securely.Great for a box that gets move regularly,remain tight so they doesn't vibrate off and cross connect with the other wire.
• Install easily:The holes for the mounting screws are countersunk appropriately and the baffle is a nice touch as well.The screw terminals to tighten onto spade connectors or bare wire can easily tighten or loosen with fingers,make your speaker hook up a lot easier.The polarity was also marked on the inside of the cup as well as the outside.
• Durable plastic:These are of high quality plastic to be rigid under high strain.These cups are well-machined,not easy to cause deformation under pressure,holding up ideally in bass sound.Resulted in a super sturdy connection makes them a solid option for replacement of existing terminals or for a hobbyist building their own unique speakers.
• High compatibility:If you are building your own speakers or have some other project where you need something like these they will work great for you.These use insert wire & screw tight nut-style terminals that are more common on higher end speakers these days.Good to use in an existing subwoofer box or DIY a new construction.

Check Price

SaleBestseller No. 4

QPower QBFORDFF09408 8 Inch Quad Port Subwoofer Enclosure Box with Underseat Frontfire for Ford F150 Super Crew, and 250/350 Super Duty Trucks

• 4 PORTS: 4-hole 8-inch openings allow for an ideal fit for 4 subwoofers
• CRISP SOUND: Underseat front fire capabilities feature louder and crisper sound
• DURABLE: Bed liner material provides durability and protection
• LOUD BASS: Enclosure's design makes for an ideal spot for loud bass playing
• IDEAL FITl Engineered to fit Ford F150 Super Crew from 2009 to current and F250/350 Super Duty from 2017 to current; Tuning frequency: 35 hertz; Air space: 0.8 cubic feet; Mounting depth: 11.25 inches

Check Price

Bestseller No. 5

Bbox Dual 10 Inch Subwoofer Sealed Enclosure - Fits 1999-2006 Chevrolet/GMC Crew Cab - Heavy Duty Car Subwoofer Boxes & Enclosures - Subwoofer Box Improves Audio Quality, Sound and Bass - Charcoal

• DUAL 10 INCH SUBWOOFER ENCLOSURE: The Bbox 10 inch dual sealed Accu-Tuned subwoofer enclosure is designed for optimum bass response and low frequency reproduction which is ideal for lower profile sound quality subwoofers. Feel, hear, and experience the difference today.
• OEM -FIT: The duel 10 inch subwoofer box is designed and engineered specifically to be compatible with 1999-2006 Heavy Duty Chevrolet / GMC trucks to ensure an OEM fit with out impeding the operation of the back seat. The subwoofer mounting depth is 6 inches, which is ideal for low profile subwoofers. All our Vehicle specific enclosures are built with a near perfect factory fit in mind.
• HIGH GRADE MDF: Our subwoofer box enclosures are built with a durable high-grade MDF that is 5/8 inches thick for solid frequency response and accurate music reproduction. The thick MDF panels and no flex construction on our 10 inch subwoofer box allows for tight and accurate bass reproduction.
• AIRTIGHT RECESSED SIDE PANELS: By using quality materials and our special aliphatic resin wood glue, the solid construction of our subwoofer box are airtight and resonant free to reduce rattling and improve the overall sound quality of your sound system.
• BETTER SOUND, BETTER BASS, BETTER FUN: Get the party started with sound quality you can truly jam to. Our subwoofer enclosures turn your truck into a music machine! Dramatically improve the sound quality and bass response of your truck’s audio system and listen to the music the way it was meant to be heard!

Check Price

Bestseller No. 6

American Sound Connection Dual 12" Sub Box Ported Vented Subwoofer Enclosure MDF Car Audio Stereo System

• Dimensions: Width 34" x Height 13-1/4" x Depth 16-1/4"
• Mounting Depth: 15-3/4 Inches
• Air Space: 1.60 Cubic Feet

Check Price

Bestseller No. 7

Q Power QBOMB12VL Single 12" Vented Ported Car Subwoofer Sub Box Enclosure QBOMB

• Designed and Built for the Deepest Bass
• Best Quality Enclosure
• 3/4" MDF Construction
• Single Vented Chamber Design
• Black Bed "Rhino" Liner Spray Finish

Check Price

Bestseller No. 8

Skar Audio AR1X10V Single 10" Universal Fit Armor Coated Ported Subwoofer Box with Kerf Port

• Single 10-inch Universal Fit Armored Series Ported Subwoofer Enclosure
• Gross Internal Air Space: 1.40 ft³ | Tuned at 38 Hz
• Engineered to Get Extremely Loud and Low - Featuring a 1.5" Wide Kerf Port Design
• Subwoofer Hole Cut-Out Diameter: 9.375" | Mounting Depth: 9.00"
• Premium Push Terminals with Internal Speaker Wire Leads Ready For Installation

Check Price

SaleBestseller No. 9

Bbox Single 10 Inch Subwoofer Sealed Enclosure - Fits 2002 - 2018 Dodge Ram Quad Cab - Carpeted Car Subwoofer Boxes & Enclosures - Subwoofer Box Improves Audio Quality, Sound and Bass - Charcoal

• SINGLE 10 INCH SUBWOOFER ENCLOSURE: Our Bbox 10 Inch Subwoofer Box is designed for optimum bass response and low frequency reproduction which is ideal for lower profile sound quality subwoofers. Feel, hear, and experience the difference today.
• OEM-FIT: The 10in subwoofer box is designed and engineered specifically to be compatible with 2002-2018 Dodge Ram Quad Cab to ensure an OEM fit without impeding the operation of the back seat. The subwoofer mounting depth is 6 inches, which is ideal for low profile subwoofers. All our vehicle-specific enclosures are built with a near perfect factory fit in mind.
• HIGH GRADE MDF: Our subwoofer box enclosure is built with a durable high-grade MDF that is 3/4 inches thick for solid frequency response and accurate music reproduction. The thick MDF panels and no flex construction on our 10 inch subwoofer box allows for tight and accurate bass reproduction.
• AIRTIGHT RECESSED SIDE PANELS: By using premium materials and aliphatic resin wood glue, the solid construction of our subwoofer boxes are airtight and resonant free. This greatly reduces rattles and improves the overall sound quality of your sound system.
• BETTER SOUND, BETTER BASS, BETTER FUN: Get the party started with sound quality you can truly jam to. Our subwoofer enclosures turn your truck into a music machine! Dramatically improve the audio quality and bass response of your truck’s subwoofer system and listen to the music the way it was meant to be heard!

Check Price

SaleBestseller No. 10

Bbox 12SVSC Single Vented 12 Inch Subwoofer Box - Premium Subwoofer Box Improves Audio Quality, Sound & Bass - Car Subwoofer Boxes & Enclosures with Nickel Finish Terminals

• SINGLE 12 INCH VENTED SUBWOOFER ENCLOSURE: The Bbox 12 inch single vented subwoofer box enclosure is designed for optimum bass response and low-frequency reproduction which is ideal for lower profile sound quality subwoofers. Get the most out of your vehicle's subwoofer with a truck sub enclosure designed for power and quality.
• SPECIAL FORMULA: We use Aliphatic wood glue on our 12" subwoofer enclosures to ensure an airtight seal between all MDF parts. Each 12 inch subwoofer box also gets a second application of glue around all internal joints after the final assembly.
• HIGH GRADE MDF: Our subwoofer box enclosures are built with a durable MDF that is 5/8" thick for solid frequency response and accurate music reproduction and we use a CNC Miter to ensure an airtight fit for your powered subwoofer. Our Dado design and construction offers a precision fit for our car subwoofer boxes & enclosures, which ensures a rattle and noise free environment.
• AIRTIGHT RECESSED SIDE PANELS: We use quality materials like our special aliphatic resin wood glue and brad nails from a pneumatic nail gun to create a tight hold on the MDF parts during the glue drying process to ensure that our subwoofer boxes have an airtight no-leak, no-rattle air chamber improving the overall sound quality of your sound system.
• ENCLOSURE DIMENSIONS: Since your subwoofer box or enclosure most likely goes into the boot of your car, checking their dimensions is highly important. Enclosure Dimensions Mounting Depth:13.875”, Sub cut out: 11.125”, Height: 13.625”, Width: 16”, Depth: 17.375”

Check Price

Last update on 2023-03-31 / Affiliate links / Images from Amazon Product Advertising API

How to find the best prefab sub box?

Here, we’ll be going over a number of factors that you can use to ensure that you’re purchasing the best prefab sub box for you.

Regardless of which type of item you’re looking to buy, chances are that there are existing buying guides on the internet, all of which aim to give you good prefab sub box recommendations.

Despite these recommendations, however, it’s always a good idea to do your own research. In addition to this research, asking yourself the following questions is also super helpful:

• What features does the prefab sub box need to have to be perfect for my needs?
• What is my budget?
• Do I need to purchase a certain brand?

Once you’ve answered these questions and have a good idea of what you’re looking for and the buying process becomes much easier. Keep in mind that when looking for the best product, there’s no need to rush. In fact, very rarely are the ideal products found by choosing the first one you see or by basing your decisions on only one factor. Take your time and enjoy the process!

Now, with the answers to the previous questions in mind, we urge you to use our upcoming buying guide for prefab sub box to find what you’re looking for:

Brand

In some cases, the brand of prefab sub box is very important. For example, if you’re looking for an item that works in tandem with another, you might very well need both products to be the same brand. If this is the case, it’s vital to pay attention to this factor, as choosing the wrong product can mean the difference between wasting your money and buying a great product that functions as it should.

Features

The features in any given prefab sub box are important because they can dictate which version of an item you need and how much money you need to spend. Consider all the key features that you want your item to have and don’t settle for anything that doesn’t check at least ¾ of your boxes.

Reviews

Customer reviews about prefab sub box are crucial – especially when you’re buying a product that costs a lot of money or serves a big importance. Luckily, most products can be found online, which means that it’s common for there to be scores of customer reviews from those who have already purchased any given product.

Pay attention to these reviews. Take note of the pros and cons that they mention, and factor these into your big decision. In some cases, you’ll be forced to sacrifice one con in order to gain a particular pro, but being aware of the potential con is going to be beneficial in either case.

Quality

Of course, quality is key. You don’t want to purchase a low-quality product. If you do, you run the risk of your item breaking, not working properly, or otherwise proving to be very disappointing, as well as a waste of money.

You can compare prefab sub box quality by researching what your potential purchases are made from, contrasting the individual items against each other to discern which one is made of the best materials.

Warranty

Warranty isn’t always going to be important, but it definitely can be. This is especially true if the item in question is tech-related or expensive. A good warranty will be valid for an extended time after purchase and cover a variety of problems ranging from item defects to random accidents, water damage, and other miscellaneous events that could ruin your product.

Conclusion

The quest to find the best prefab sub box can be daunting – but it doesn’t have to be. It can be made much easier by asking yourself a few simple questions and then thinking critically about the items you want to buy. Consider their features, quality, brand, warranty, and customer reviews and you’re more likely to make a great purchase.