Pioneer TS-SWX3002 12" Shallow-Mount Pre-Loaded Enclosure Tight bass from a shallow compact design Reinforced MICA injection-molded resin preloaded subwoofer cone structure Carpeted, non-slip and scratch resistant enclosure surface Enclosure size (WxDxH): 20-1/2" x 13-7/8" x 6-3/8"