QSC KS212C Cardioid Subwoofer 2 x 12" | MUSIC STORE professional
QSC KS212C dual 12-inch, active cardioid subwoofer
QSC Triple LA112 2,400W 12-inch Active Line Array Speaker and Dual KS212C Cardioid 3600W Dual 12 inch Powered Subwoofer Ground Stack System | Sweetwater