Power output 2500 WattRF Output Impedance50 OhmsRF Output ConnectorEIA 7/8"Frequency range87.5 - 108 MHzModulation typeF3E stereo and monoModulation ModeMono, stereo, MPX, AuxPre-emphasis0, 50, 75 us selectable  AC Input power110/220/240 Vac ±10%, single phase or 220/380 Vac±10% three phases, 50/60 HzCoolingForced Air by internal fans  Operating temperature-10°C ÷ +45°CMax humidity95% not condensing  Dimensions19" - X rack (single driver version)