Digital stereo active crossover with 2 inputs and 4 outputs, incl. software. Flexible routing configurations for all standard mono and stereo output operating modes. 2 analog inputs and 4 analog outputs (XLR). Active frequency filter types (Bessel, Butterworth and Linkwitz-Riley) with slopes up to 24 dB/octave split up the audio signal into different frequency bands. Incl. software editor (for PC and Mac) for remote control via computer through USB interface: store, transfer, and manage your presets. Up to 30 user presets storable in the device via software. Alphanumeric LCD screen with 2 lines of 16 characters each. Input sensitivity digitally adjustable. Inputs and outputs with 4-digit LED level meter as well as clip and limit LED indicator. Mute switch with LED indicator per output. 7-band parametric EQ per output. Up to 7 ms signal delay adjustable for the outputs. Output limiter with adjustable limits and automatic attack and release settings as overload protection for your amplifying system. Switchable phase. Lock function for protecting the program settings. Windows XP, Vista, 7, 10 and Mac OS X 10.5.8 and better. Digital signal processor. The device can be connected via USB to the PC in connection with DXO Software. The firmware can be updated via the PC connection. (19") 48.3 cm rack installation 1 U.