We consider a custom built speaker box to be a worthy investment in the long run. Let’s take you step by step, type by type, and find the best custom built speaker box for you.

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Our Top Picks:

Best Overall: Buy: Skar Audio Custom Built Speaker Box READ REVIEW

Best For More Air: Buy: Skar Audio Subwoofer Enclosure READ REVIEW

Best For Decent Price: Buy: Atrend Custom Built Speaker Box READ REVIEW

Best For Worth The Money: Buy: Q Power Nice Box READ REVIEW

Best For Fast Delivery: Buy: Atrend Good Box READ REVIEW

Best For Great Price: Buy: American Sound Connection Great Box READ REVIEW

Best With Light: Buy: Kicker Custom Built Speaker Box READ REVIEW

Best For Low Bass: Buy: Q Power Custom Built Speaker Box READ REVIEW

Best For Tight Fit: Buy: American Sound Connection Custom Built Speaker Box READ REVIEW

Best With Two Dvc: Buy: Q-Customs Custom Built Speaker Box READ REVIEW

Best Overall: Skar Audio Custom Built Speaker Box

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The look and feel of these boxes are consistent with the high quality we're used to from the rest of Skar Audio's lineup. The Skar Audio Custom Built Speaker Box fits great, it has internal volume and has an outstanding design. Competition grade, high performance subwoofer box | engineered to sound incredible. The enclosure features a kerf style port, which means that the port construction utilizes the curves typically found only in custom, high - end, professional enclosures, allowing the box to offer deeper and more accurate bass.

The box is designed for maximum bass and responsiveness. Finally, the skar audio custom built speaker box built very heavy, is very heavy and it is great for amazing quality.

Most buyers quickly discover that the box would rake up some decent room. Furthermore, a few also found that the box will take up maybe one or two seat spaces. Moreover, a few say that the box is made from quality materials. In short, buyers found this to be one of the best boxes for daily purposes.

• This is one of the best prefabricated boxes you can buy though.
• This has 2 sets of speaker wire terminals.
• This box has a very muffled sound to it, not great.
• This will provide too much air space for the p3’s.

Best For More Air: Skar Audio Subwoofer Enclosure

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The Skar Audio Subwoofer Enclosure's superior materials make sure that it ages well with use. The skar audio subwoofer enclosure is best for more air, has push terminals wire gauge opening and it is made with great construction. Single chamber 8" ported subwoofer enclosure. Further, the box is made for heavy duty and it fits perfectly.

Finally, the skar audio subwoofer enclosure shakes the boat, It was bought again and has a great design.

Almost all customers quickly discovered that the box was the best choice for the price. Moreover, a few say that the box is custom made for your speakers specification and enclosure. Also, a few strongly agree that this is an amazing prefab box that does n't cost a fortune.

• This is easy to correct though.
• This is a perfect fit, no cutting needed.
• This can withstand quite a bit.
• Gross internal air space: 1.10 ft³ | tuned at 41 hz.

Best For Decent Price: Atrend Custom Built Speaker Box

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If you often find yourself scrambling for a convenient and suitable box, another custom - built speaker box should be your first option for buying. The atrend custom - built speaker box makes for a great buy and it can resize for a nice fit. The Manufacturer says: Our speaker box enclosures are built with a durable high grade mdf that is 5/8 inches thick for solid frequency response and accurate music reproduction. Also, it is made with nice carpet and it fits like a glove.

The box has cheap terminals, fits perfectly. It is plenty sturdy and has a sturdy design. Moreover, it comes with nice boxes, is made with great quality and it looks great. Lastly, the atrend custom - built speakerbox is great with fast shipping, It is perfect for strong little boxes and has a passive design.

Most customers agree that the box is great with 6x9 pioneers. Further, a few strongly agree that the box is good for the price, plus they can easily be replaced. Moreover, a few strongly agree that the box comes with the connections on the back, all at an awesome price. To sum up, at the price, they believe that they got a steal of a deal with it.

• This comes with the inside wiring, or the padding that some boxes come with.
• This would be perfect with no adjustments.
• Dimensions: height: 7.875”, width: 47.25”, bottom depth: 5.875”, top depth: 4”.
• These fit behind the seat of a truck easily.

Best For Worth The Money: Q Power Nice Box

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The features department is where Q Power Nice Box truly manages to shine. The q power box is great with great quality and it looks really good. . Further, this is perfect for quality sound and it fits well.

The box is made from high grade MDF wood then finished with a durable bed liner spray. Above all, the q power nice box is used for more air and it allows for a great fit.

Most buyers quickly discovered that the box can any body answer this question. And, a few strongly agree that the box will support two 12 inch MTX audio subwoofers. Further, a few also found that this box is completely 100 % sealed due to the line coating and makes a giant difference. To sum up, for most buyers, it was just what they wanted.

• It has mounting holes and it is super clean.
• This will fit mines in a wrangler.
• This fits it perfectly and the sound is phenomenal.
• It looks nice, but that's it.

Best For Fast Delivery: Atrend Good Box

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The good box's material feels more premium than its price would suggest. The best good box has polyfill installed inside each speaker hole pocket. Inch up-firing dodge ram quad cab subwoofer enclosure. In addition, it is best to solder the wire to the inside of the terminal tabs.

The box was designed andengineered specifically for 2002. In addition, this is best for fast service, fits well and it has internal volume. Lastly, the good box is good for fast delivery, allows for awesome sound, it is easy to install and has a good looking design.

Almost all customers opine that the box is perfectly under the seat and sounds amazing. Also, they also found that the box is a perfect fit for the 2006 dodge ram 2500 slt quad cab. Furthermore, a few also found that the box itself was well made and the speaker ports were high quality.

• It is built solid and sounds very nice.
• This fits alright in a 2018 ram crew cab.
• This is a sealed box divided into 2 10” subs equally.
• This buy again, it is made for good value and has a sturdy design.

Best For Great Price: American Sound Connection Great Box

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American Sound Connection 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 American sound connection box fits great and it looks great. All the custom series enclosures are made to fit precisely into your chevy silverado 99. Further, it allows for deep bass and it is super nice.

Lastly, the American sound connection great box is made for quick delivery and it is constructed well.

Most buyers found that the box is an extended cab should have no problems. And, a few also found that the boxes make universal boxes but they are separated. Also, a few also found that the mounting depth of this box is 5 3/4 and that the sub is 5 3/4. In conclusion, most buyers find the box is functionally comfortable and no one questions it.

• Overall, you cannot find a better fitting or sound box at this price.
• This will fit but they have to be within 5 3/4.
• This fits nice and snug and mounts the amp on the side.
• Dimensions: width 51" x front height 9-3/4" x rear height 7-1/4" x depth 13-1/2".

Best With Light: Kicker Custom Built Speaker Box

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Kicker offers a variety of boxes for personal choice and yet maintains quality in all the variants. The kicker custom - builtspeaker box features a genuine compc subwoofer with 600 watts of max power, 300 watts of rms power. Make sure this fits by entering your model number. Also, this makes for a great buy and it allows for good sound.

The box is perfectly under or behind a vehicle's seat. In addition, it is built with dual voice coil, It is great with tight bass and has a thin design. Above all, the kicker custom - built speaker box saves room and has a great design.

Almost all customers opine that the box fits well behind the seats of a single cab truck. Also, they strongly agree that the box has the same signal level as the amplifier. In conclusion, for almost all buyers, it was just what they wanted.

• This fits behind the 3rd row of the Mazda cx9 perfectly.
• This is a real nice subbox.
• Thin profile eclosure with loaded 10 inch subwoofer with a single 2 ohm terminal.
• Box dimensions: 7.625 x 21.5 x 15 inches.

Best For Low Bass: Q Power Custom Built Speaker Box

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We would, of course, be remiss if we didn't mention Q Power Custom Built Speaker Box for daily purpose. The q power custom built speaker box has mounting holes and it is best for excellent sound. This will keep your box performing at an optimal level by not flexing and distorting your woofers. These enclosures are built with the quality additives needed to maximize the performance of any sound system.

The box is made in the USA, using only the finest quality materials. Most importantly, the q power custom builtspeaker box is built for heavy duty and it allows for good sound.

Most customers think that the box fits well under the seat. Moreover, a few strongly agree that the box fits but it doesn't go all the way in. Also, they also found that this box is the only and best option after doing a lot of research and with a $ 200 limit for a budget on sub boxes. Overall, at the price, they believe that they got a steal of a deal with it.

• This is a nice box, really sturdy and well made.
• This is great for 2004 ram quad cab st 5 7.
• This is designed with dimensions in inches, has a mounting diameter and it fits well.
• This comes with a customized enhanced glue that is unmatched by any other manufacturer.

Best For Tight Fit: American Sound Connection Custom Built Speaker Box

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Next on the list, we've got yet another box that manages to win our hearts. It's the American sound connection custombuilt speakerbox and it's widely considered as the box that has the most suitable features. The American sound connection custom built speaker box is a sealed model enclosure and works best with entry and flat piston style subwoofers. All the custom series enclosures are made to fit precisely into your vehicle to get the max performance from every extra inch of wasted space. In addition, it is designed to install directly behind the rear seat and actually locks into space using the same turn handles normally used to secure the rear window if removed.

The box is constructed with high quality mdf. Moreover, it is made with fast shipping, makes for a great buy, It is made with great quality and has a sturdy design. Finally, the American sound connection custombuilt speaker boxes are then liquid nailed, nailed and completely sealed.

"Cut the 10 box to fit it. " - says, one customer. To sum up, many have used the box for more than a few months without letup, and it shows no sign of giving up.

• Air space: 0.70 cubic feet per sub.
• This is best for excellent sound, it has install location and has a great design.
• Something missing in your escalade or avalanche.
• Install location: behind rear seat (in front of midgate).

Best With Two Dvc: Q-Customs Custom Built Speaker Box

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The Q-Customs Custom Built Speaker Box is suitable and reliable and fits well with your daily uses. The q-customs custom built speaker box is for the passenger side and it is super clean. . Also, the box is compatible with (fits) toyota tundra extended cab subwoofer enclosure dual 8" enclosure.

The box has mounting screws and it fits the following vehicles. Further, it looks super clean and it is top quality. Above all, the q-customs custom built speaker box has trim pieces and it provides for use of space.

Most buyers quickly discovered that the box fits like a glove. In addition to that, it is designed for tundras and only a/c access cabs. In addition, a few also found that the box is great with two DVC 4ohm rockford fosgate p3’s. Overall, for almost all customers, it was what they were looking for.

• Vehicle specific designed to look like original factory equipment.
• New and hot releases.