JBL EON 315 Self-Powered Two-Way 15-inch 280-Watt Lightweight Speaker with EQ As the EON305 but self powered for all applications Latest dual channel Class D Amplifier technology for power without weight Pre Engineered Selectable EQ settings Combo XLR or 1/4 inch input connector and Line or Mic input sensitivity 35mm Pole mount built in with securing clamp