Rockville RDVK15 Dual 15&rdquo; Vented Square Subwoofer Enclosure Designed For 15" Square Subs Such As The Kicker Solo L7/L5/L3 Series - Made in America Using Only the Highest Quality Materials for the Best Performance and Sound From Your Subs Rockville RDVK15 Dual 15" Vented Square Subwoofer Enclosure Made to work perfectly with Kicker Solo Baric L7, L5, L3, Hifonics square woofers, and other sqaure woofers Proudly Made In The USA, Using Only The Finest Quality Materials - For The Best Level of Performance From Your Subs! 3/4" USA Heavy Duty MDF Construction Machine precision cut mounting holes. Top of the line Glue for extra durable adhesion, High quality GOLD spring loaded terminals Designed, tested, and engineered to work with Kickers L7, L5, and L3 Square Woofers as well as many other square woofers on the market!