Gemini XTR-500 Complete Powered Speaker System (2 Loudspeakers, 1 Subwoofer) Two 10" satellite speakers and one 15" subwoofer Built-in 3-channel amplifier with 400 watts RMS power handling and built-in crossover 230 watts RMS to subwoofer and 85 watts RMS per channel to satellites Balanced XLR and 1/4" inputs and Speakon outputs for satellites Individual channel and sensitivity and volume control