Atrend 12KS 12" Single Sealed Square Subwoofer Enclosure for Kicker L5 and L7 Subwoofers 12" Single Sealed Square Subwoofer Enclosure for Kicker L5 or L7 Subwoofer Premium Carpeted Finish a Silver Spring Loaded Terminal Cups a Completely Miter and Dado Panels a Glued and Braced with Fasteners