The Bbox 12-inch subwoofer box is a twin-vented enclosure with an 11.12-inch hole cutout. While it might look like a large box, it weighs just 17 pounds and fits in the trunk of most cars.

Free-air: Although not a box, this design uses a vehicle’s trunk as the enclosure. It only works with free-air subwoofers, but it’s good for pumping up the bass without taking up much space.

The Stealthbox for the Elantra ($699.95 features a robust JL Audio 12-inch subwoofer housed in a compact, sealed fiberglass enclosure which fits neatly into the passenger-side rear corner of the trunk ...

Free-air: Although not a box, this design uses a vehicle’s trunk as the enclosure. It only works with free-air subwoofers, but it’s good for pumping up the bass without taking up much space.

Free-air: Although not a box, this design uses a vehicle’s trunk as the enclosure. It only works with free-air subwoofers, but it’s good for pumping up the bass without taking up much space.

The sub enclosure is designed for the coupe body-style and comes covered in matching trunk carpet for an OE fit and look. We also dropped an EFX HD3001 800-watt mono amp into the fray ($249) to ...

It's one of the easiest upgrades you can do to your car's audio system, and a DIY subwoofer will have you kicking the bass with the best of them.

His recommendation is to design a box that will fit your speaker and trunk, at least 5cm deeper than your subwoofer.

Was it time to face the music? Deputies in Colorado say 113 pounds of methamphetamine valued at more than $1 million were discovered inside a subwoofer box over the weekend. The drugs were found af… ...

Deputies in Colorado say that more than 100 pounds of meth valued at more than $1 million were discovered inside a subwoofer box over the weekend.