Kicker 08VS10L72 Solo-Baric 10-Inch Vent Box 2-Ohm Subwoofer Solo-Baric L7 loaded enclosures are some of the loudest and toughest loaded enclosures money can buy. L7 performance in a factory designed enclosure Heavy duty gray carpet Large diameter, high-flow port /terminal flange assures high output with no port noise Solid " MDF construction with double thickness front baffle for strength