The 11 Best Prefab Sub Boxes (2022 reviews)

prefab sub boxes
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It is important to have the well suited prefab sub box. In the following post, we will help you to select the best prefab sub boxs.

Our review process:

Our Top Picks:

Best Overall:
Buy: Skar Audio Subwoofer Enclosure
READ REVIEW

Best For Small Spaces:
Buy: Skar Audio Prefab Sub Box
READ REVIEW

Best With Fast Shipping:
Buy: Q Power Awesome Box
READ REVIEW

Best For Entry Level Subs:
Buy: American Sound Connection Sealed Box
READ REVIEW

Best For Camaro:
Buy: Q Power Prefab Sub Box
READ REVIEW

Best For With Quality Wood:
Buy: Atrend Great Box
READ REVIEW

Best For Passenger Side:
Buy: Atrend Prefab Sub Box
READ REVIEW

Best For Single Cab Truck:
Buy: American Sound Connection Prefab Sub Box
READ REVIEW

Best For Daily Driver:
Buy: Rockville Prefab Sub Box
READ REVIEW

Best For Budget Box:
Buy: Rockville Great Box
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Best With Good Tight Style Bass:
Buy: Belva Prefab Sub Box
READ REVIEW

Best Overall: Skar Audio Subwoofer Enclosure

Skar Audio Subwoofer Enclosure
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Here, we present a box that manages to win our hearts. It's the Skar Audio Subwoofer Enclosure and it's widely considered as one of the best boxes you can buy. The skar audio subwoofer enclosure is great for deep bass, has push terminals wire gauge opening and it sounds incredible. Single chamber 10" ported subwoofer enclosure. In addition, it has good build quality and it is best for quality construction.

The box provides great value, It is very nice and has a great design. Most importantly, the skar audio subwoofer enclosure has features for very good quality, It shakes the boat and has a sturdy design.

Almost all customers agree that the box will work for all 10” car audio subwoofers. Also, they also found that the box was made for a 12" sub not an 8" sub. In addition, a few say that this subwoofer box is very well designed and well made. It sounds really good and gets pretty low for a prefab.

Top Customer Quotes:
  • Enclosure features a durable and attractive bed-liner finish.
  • This is the best choice for the price.
  • This is easy to correct though.
  • This can withstand quite a bit.

Best For Small Spaces: Skar Audio Prefab Sub Box

Skar Audio Prefab Sub Box
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Skar Audio line of boxes comes in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. The Skar Audio Prefab Sub Box is very heavy and it is very loud. Competition grade, high performance subwoofer box | engineered to sound incredible. The differentiating features that put this box in a league of its own do n't stop there though.

Above all, the skar audio prefab sub box sounds clean and it sounds excellent.

Most customers opine that the box that the supplied speaker wire is rather short and that the box has skar embroidered on the side. And, they also found that the box would rake up some decent room. Moreover, a few also found that the box matches with your subs should be fine. In conclusion, many buyers have used the box for more than a few months without letup, and it shows no sign of giving up.

Top Customer Quotes:
  • This will take up maybe one or two seat spaces.
  • Subwoofer hole cut-out diameter: 11. 125" | mounting depth: 13. 00".
  • This will provide too much air space for the p3’s.
  • Internal air space: 4. 00 ft³ | tuned @ 32 hz.

Best With Fast Shipping: Q Power Awesome Box

Q Power Awesome Box
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The features department is where Q Power Awesome Box truly manages to shine. The q power awesome box makes for a great buy, built very well and it has mounting screws. Turn your ride into a sound machine with the help of the q-power 12" subwoofer enclosure. This 12 " q - bomb subwoofer box is finished with a black bedliner spray for increased durability.

The box is easy to install and it is built with a nice sounding. In addition, it sounds clean, is lightweight and it is inexpensive. Lastly, the q power awesome box is great with a great build and it is great for a great price.

Almost all buyers opine that the box will add some polyfill if you want a deeper rolloff but, overall, it is a great box. In addition, a few say that the box fits in a dodge dakota extended cab, so it should easily fit your GMC crew cab. Furthermore, a few say that the bottom of piece of the box started to tear apart. Overall, most buyers agree that the box suits them best, and no one questions it.

Top Customer Quotes:
  • This has awesome quality material and the bass produced from this box is incredibly good.
  • This is a far, far better value.
  • It sounds loud, it is built solid and has a sturdy design.
  • This features a single vented chamber design and boasts 1.8 cubic feet of air space.

Best For Entry Level Subs: American Sound Connection Sealed Box

American Sound Connection Sealed Box
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We would, of course, be remiss if we didn't mention American sound connection sealed box for daily purpose. The American sound connection sealed box is really great, is well worth the price, It is much deeper and has a thin design. The Manufacturer says: We guarantee you will not only see a difference in the quality of the boxes we build, but you will hear the difference and that is what it is truly all about. This dual 12 " enclosure will work with almost any brand and model subwoofer(s ). Just be sure to check the recommended airspace required.

The box is used for more air and has a sturdy design. Also, the box is very nice and it is designed for a great price. Most importantly, the American sound connection sealed box is inexpensive and it fits like a glove.

Most buyers opine that the box could give a great sound with the right subs. Also, a few say that the box is great as well as good sound. Moreover, they say that the box is a great box... for entry - level subs. In conclusion, the tone of buyers is very positive and we believe that the box suits the purpose.

Top Customer Quotes:
  • This is built fairly heavily and the wood is high quality mdf.
  • This is a great box for any deep mount 12” subwoofers.
  • This fits in a chevy cobalt.
  • It is said the subwoofers sounded great.

Best For Camaro: Q Power Prefab Sub Box

Q Power Prefab Sub Box
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If you want nothing but a box that is reliable, this Q Power Prefab Sub Box is certainly a wise investment. The q power prefab sub box hits really hard, is very nice and it looks really good. . And, it is built solid, allows for a great fit and it hits so hard.

Above all, the q power prefab sub box is built tough and it is super clean.

Most customers opine that the box fits it perfectly and the sound is phenomenal. Moreover, they say that the box looks nice, but that's it. Moreover, they say that this box is well made. In short, the tone of buyers is very positive and we believe that the box suits the purpose.

Top Customer Quotes:
  • This fits in most compact cars.
  • This will support two 12 inch MTX audio subwoofers.
  • This will fit mines in a wrangler.
  • The box is well constructed and the bed liner coating is very durable.

Best For With Quality Wood: Atrend Great Box

Atrend Great Box
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We would, of course, be remiss if we didn't mention the great box for regular use. The great box sounds loud, allows for awesome sound, It comes with wire connectors and has a great design. The Manufacturer says: Designed and engineered in the USA, the bbox line of enclosures are manufactured and imported from overseas to provide an economical solution to all of our customer's needs. Ultimately, these construction techniques provide unsurpassed build and sound quality in bbox enclosures.

The box allows for deep bass, allows for great bass, it has good build quality and has a good looking design. Above all, the appearance great box is designed for optimum bass response and low frequency reproduction for digital subwoofers.

Most buyers agree that the box is perfectly built but takes up a lot of space, so they recommend this for a suv or car with a spacious trunk. Moreover, they say that the box is the best price around for a box of this size. In addition, a few say that the box does start to break apart. Overall, many customers have used the box for more than a few months without any complaints, and it shows no sign of giving up.

Top Customer Quotes:
  • That comes with it is absolutely horrid.
  • These make them sound really good and worth the buying.
  • The box hits all frequencies nicely, including the low ones.
  • This is a great - quality enclosure for a very reasonable price.

Best For Passenger Side: Atrend Prefab Sub Box

Atrend Prefab Sub Box
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The Atrend Prefab Sub Box should be able to handle its purpose and duties with ease. The atrend prefab sub box fits great and it is worth the price. Inch up-firing dodge ram quad cab subwoofer enclosure. Further, it has polyfill installed inside the speaker hole pocket.

The box fits well. It is very deep and has a sturdy design. And, this sounds clean, fits well and it is important. Finally, the atrend prefab sub box is inexpensive and it is really great.

Most customers found that the box fits perfectly underneath the seat. Also, a few also found that the box will fit a 2017 crew cab. And, they also found that the box would help give the enclosure a more neutral sound. Without any doubt, this box passed the test and had very satisfied buyers eager to share their experience.

Top Customer Quotes:
  • This includes spacers for a snug fit.
  • Dimensions sub cut out: 9.125”, mounting depth:6”, height: 7.25”, width: 32.7”, depth: 13.25”.
  • This fits nicely under the rear passenger's seat.
  • This is an impressive dirt cheap box.

Best For Single Cab Truck: American Sound Connection Prefab Sub Box

American Sound Connection Prefab Sub Box
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The American sound connection prefabsub box should be able to handle its purpose and duties with ease. The American sound connection prefab sub boxes are then liquid nailed, nailed and completely sealed. The Manufacturer says: We do recommend purchasing subwoofer grille(s) for this model enclosure to protect your sub(s) from rubbing?á into the seat. This single 12 " enclosure will fit into any regular cab truck and is designed to fit directly behind the seat.

Lastly, the American sound connection prefab subbox is designed with excellent quality and it looks great.

Most buyers opine that the box is good for high strength. And, they say that the box is made of quality material. Also, a few say that the box is great with American bass xd es 1244 12 inch dual 4 ohm voice coil, 1500 watt max power subwoofer speaker w/ 65 ounce magnet & carbon fiber non pressed paper cone. To sum up, at the price, they believe that they got a steal of a deal with it.

Top Customer Quotes:
  • This will not, but can easily be modified.
  • This will fit, but check with jl on their recommended air space.
  • This allows for deep bass and it has good build quality.
  • The manufacturer says: our boxes are made from precision cuts of mdf.

Best For Daily Driver: Rockville Prefab Sub Box

Rockville Prefab Sub Box
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If you often find yourself confused about the appropriate and satisfactory box, Rockville prefab sub box is your solution. Furthermore, it is very loud and it sounds awesome. Make sure this fits by entering your model number. Above all, the Rockville prefabsub box is crafted with a great build and it is designed for a great price.

Almost all customers agree that the box is perfect for daily driving and does not rattle the car apart bass. Also, they say that the sound quality of the box it slams with skar msk 500.1. In short, for most buyers, the box was what they were looking for.

Top Customer Quotes:
  • This box is tuned way too high.
  • Air space: 1.0 cubic feet. Tuning frequency: 34 hz.
  • Features: rockvilie rqb8 single 8" side ported subwoofer enclosure w/ bed liner.
  • Finished with a durable bed liner. 3/4" mdf. high quality spring loaded terminals.

Best For Budget Box: Rockville Great Box

Rockville Great Box
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Best part: Rockville great box costs and it is available to ship in 24 hours. The Rockville great box is very nice and it is really big. . Moreover, the box fits well and it is very heavy.

Lastly, the Rockville great box is fitment and it is good for strong equipment.

Most buyers quickly discovered that the box is a great choice for a budget box. In addition, a few say that the box will fit if you make the hole bigger. And, they strongly agree that this box does not produce low end vary well at all ... it 's tuned to 70hz. In conclusion, most customers found the box suited best, and no one questions it.

Why We Like This:
  • Features: rockvilie rq12tb single 12" triangle ported subwoofer bedlined enclosure.
  • Finished with a durable bed liner. 3/4" mdf. high quality spring loaded terminals.
  • Air space: 2.2 cubic feet. Tuning frequency: 35 hz.
  • Product dimensions (h x w x d): 16" x 22.75" x 14" inches.

Best With Good Tight Style Bass: Belva Prefab Sub Box

Belva Prefab Sub Box
Buy on Amazon

Best part: Belva Prefab Sub Box costs comparatively little and it is available to ship in 24 hours. The belva prefab subbox is best with great size, allows for very good quality and it is best for deep bass. Inch car subwoofer box sealed 3/4-inch mdf prelined polyfil. Moreover, it is designed for small size and it is very nice.

Most importantly, the belva prefab sub box makes for a great buy and it is filled with poly fill.

Almost all customers found that the box was almost free, but even 51 bucks is a good deal. Further, they say that the box will sound OK, all depends on the location. And, they also found that this box is made well and is worth the money. In conclusion, many have used the belva prefab sub box for more than a few months without letup, and it shows no sign of giving up.

Top Customer Quotes:
  • This will hold up to anything short of super heavy competition subs.
  • This is made of sturdy 3/4 inch mdf that is *completely covered* by black carpet.
  • Gold post terminals for clean and easy wiring access.
  • This is good for compact cars, mid - size cars, and suvs with 3rd row seating.