SoundBoxs Formed Series line of enclosures gives you the perfect fit every time. With the largest selection of vehicle specific enclosures, SoundBox is the industries most trusted option. Bringing you the ultimate enclosure constructed of the best materials each of SoundBoxs Formed Series line of enclosure is made to be an exact fit. With over 20 years of manufacturing enclosures, SoundBox uses quality products that are sure to keep your subwoofer preforming as expected for years.