Atrend 15KSV 15" Single Vented Square Subwoofer Enclosure for Kicker L5 and L7 Subwoofers 15" Single SPL Vented Square Subwoofer Enclosure for Kicker L5 and L7 Subwoofers Premium Carpeted Finish Silver Spring Loaded Terminal Cups Completely Miter and Dado Panels Glued and Braced with Fasteners