2) Cerwin-Vega XLS-6 6.5″ 2-Way Bookshelf Speaker + Cerwin-Vega XLS-6C Dual 6.5″ Center Channel Speaker + Cerwin-Vega XLS-12S Front Firing 12″ Powered Subwoofer and (4) VideoSecu 2 Heavy Duty PA DJ Club
Cerwin-Vega XLS-12S 12in Powered Subwoofer, Front-Firing, each - Newegg.com