Professional 3-channel amplifier with built-in active crossover and subwoofer processor. Can be used as a normal 2-channel amplifier. 1800W total power: Satellite outputs (stereo): 2x450W rms @ 4Ω Subwoofer output (mono): 900W rms @4Ω Very compact housing, only 2U (88mm) high Built-in 24dB/oct. active crossover: 90-250Hz selectable crossover point Filters on satellite outputs can be switched on/off Built-in SUB BASS processor Limiters can be switched on/off Sub out phase inverter Soft starts Very efficient cooling DC fault protection High temperature protection Overload and short circuit protections Balanced inputs with XLR connectors 3 Speakon® outputs: 2x Satellites + 1x Sub out.