We consider a down firing subwoofer box to be a worthy investment in the long run. We are here to help you choose the best one for your purposes from all the best available products in market today.

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Our Top Picks:

Best Overall: Buy: American Sound Connection Great Box READ REVIEW

Best For High Quality: Buy: American Sound Connection Down Firing Subwoofer Box READ REVIEW

Best For Truck: Buy: Q Power Cost Effective Box READ REVIEW

Best For Good Fit: Buy: Q Power Down Firing Subwoofer Box READ REVIEW

Best For Low Frequency: Buy: Atrend Down Firing Subwoofer Box READ REVIEW

Best For More Air: Buy: Kicker Down Firing Subwoofer Box READ REVIEW

Best Overall: 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 allows for a perfect fit and it fits great. The Manufacturer says: We offer pre-built enclosures that are ready to be dropped into your 99. Also, it works great, allows for a great fit and it looks great.

The box fits well and it sounds great. Lastly, the American sound connection box is great for deep bass, it fits perfectly and it has an install location.

Most customers find that the box will also sound really nice. The box is great. And, a few say that the box is an extended cab and should have no problems. Moreover, they strongly agree that the box fits and sounds amazing, plus it fits gmt800 extended cabs. In conclusion, for almost all customers, it was what they were looking for.

• This fits nice under the rear seat of a 2003 chevy 1500 ext cab.
• This is built for a chevy 1500 extended cab.
• It is worth the money and it is super nice.
• These make universal boxes but they are separated.

Best For High Quality: American Sound Connection Down Firing Subwoofer Box

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American Sound Connection has been making great boxes for years, thanks to a combination of clever design and appropriate materials. The American sound connection down firing subwoofer boxes are then liquid nailed, nailed and completely sealed. The Manufacturer says: Our boxes are made from precision cuts by mdf. And, it is made with great quality and it sounds great.

The box is durable and it hits hard. Most importantly, the American sound connection down firingsubwoofer box is fitment, buy again and it will be installed on location.

Most customers agree that the box will poke out from beneath the seat maybe 1.25 inch or so in order to get the seat to lock 100. And, a few also found that the box would only fit from 04 to 15. In short, for almost all buyers, the box was most suitable.

• The Manufacturer says: no sweat, we have the perfect solution.
• This fits perfectly received days early as well.
• Need to add some bass to your Nissan 04.
• This allows for maximum comfortable occupancy in the back seat.

Best For Truck: Q Power Cost Effective Box

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We know from years of feedback from readers, amazon sellers, and family and friends what most people want in a convenient and appropriate box. The q power cost - effective box is exactly that - it's a simple box that hits all the right notes. In addition, it has a mounting hole and it fits great. Dual 10" under seat down firing unloaded subwoofer box. Lastly, the Q Power Cost Effective Box is durable, fits perfectly and it is perfect fit.

Almost all customers opine that the box is built very well and the carpet is nice. Moreover, a few strongly agree that the box is a great box for a great price. Furthermore, a few also found that the box fits really well and also fit a 15 f150 well.

• Constructed out of premium 5/8" mdf.
• Independent subwoofer chambers for maximum bass.
• Fits 2009-2016 FORD f-150 super crew cab trucks.
• Subwoofer mounting depth: 5" - subwoofer mounting hole cut-out: 9".

Best For Good Fit: Q Power Down Firing Subwoofer Box

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Next on the list, we've got yet another box that manages to win our hearts. It's the Q Power Down Firing Subwoofer Box and it's widely considered as the box that has the most suitable features. The q power downfiring subwoofer box is made for a perfect fit and has a great design. If you want the most output for your money, this is the way to go. Also, this is custom made for gmc and Chevy avalanche's.

The box is designed to fit underneath the rear seats, boasts .5 cubic feet of air space and has divided chambers. Above all, the q power down - firing subwooferbox is durable, fits perfectly. It sounds great and has a sturdy design.

Most customers agree that the box fits like a glove 04 Chevy avalanche. Further, a few strongly agree that the box fits perfectly, the seats close, the subs face up and it will save you a ton of time. To sum up, for almost all customers, the box was what they were looking for.

• Covered and finished with a durable bed liner coating.
• This is off the face seats do latch.
• Dual 10" sealed under seat down firing unloaded subwoofer box.
• This is constructed out of high grade 3/4" mdf wood.

Best For Low Frequency: Atrend Down Firing Subwoofer Box

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Best part: Atrend Down Firing Subwoofer Box costs comparatively low and it is available to ship in 24 hours. The appearance downfiring subwoofer box's material feels more premium than its price would suggest. In addition, the box is designed for optimum bass response and low frequency reproduction, which is ideal for lower - profile sound quality subwoofers. The box is easy to maintain and use.

• Good investment for the long term.
• Delivers what they promise.

Best For More Air: Kicker Down Firing Subwoofer Box

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Not everyone likes to purchase a boxes for their regular use, but the Kicker Down Firing Subwoofer Box would be an anomoly. The kicker down - firingsubwoofer box is best for more air and has a thin design. Make sure this fits by entering your model number. The tough down - firing enclosure design with internal bracing resists stacking weight and scratches. Finally, the kicker down firing subwooferbox design is louder than round subs with forced-air cooling for high power handling and reliability big bass.

• The l7t features forced-air cooling, creating high power handling and ultra reliability.
• One of the newcomers and featured product.