QSC ISA500Ti 2 Power Amplifier 2 Channel Rack Mount Stereo 500 Watts per CH 70 Volts ISA Series 25-, 70-, 100 volt, and low impedance outputs available simultaneously Simple barrier strip connection determines output mode Rear panel gain controls for tamper resistance XLR and detachable Euro style input connectors DataPort V2 for use with DPV2-compatible signal processing accessories