Interface version w/o control elements - control via supplied PC software through USB interface: store, transfer, and manage your presets. Up to 30 user presets storable via PC software. 5 languages selectable (German, English, French, Spain, Dutch) . 2 analog inputs and 6 analog outputs (servo-balanced XLR connectors). Active frequency filter types (Bessel, Butterworth and Linkwitz-Riley) with slopes up to 48 dB/octave split up the audio signal into different frequency bands. Input sensitivity adjustable. All inputs and outputs with LED indicators for signal, clip, limit and mute. Phase invert switch and mute switch per output. 5-band parametric EQ per output. Up to 7 ms signal delay adjustable for the outputs . Delay displayed in milliseconds, meters, feet and frame/second. Output limiter with adjustable limits and automatic attack and release settings as overload protection for your amplifying system. Lock function for protecting the program settings. Flexible routing configurations for all standard mono and stereo output operating modes. Screw terminals for external control unit. Rack installation, 1 U.