You will find more information and technical data on the digital audio matrices in the 'Digital audio matrix, Ethernet switches, media converter' data sheet. You will find the relevant document ID in the 'Product documentation' section.


'Digital audio matrix (4/4/4)'

  • 4 analog audio inputs and 4 analog audio outputs
  • 4x 100 V speaker lines
  • 8 logic control inputs and 8 logic control outputs
  • 8 analog control inputs
  • 19'' / 1 HU housing
  • Ethernet-based 100 Mbit/s network interface
  • Serial interface 'PACE-Bus' (RS485) to communicate with internal and external components
  • Integrated micro SD card reader for alarm messages and music
  • Simultaneous transmission of up to 64 digital audio channels in studio quality (48 kHz/24 bit) with a constant latency of 1.33 ms
  • Real-time audio transmission: constant latency 4.6 ms analog-in/analog-out
  • Integrated real-time recorder for delayed announcements
  • Speaker impedance and line monitoring in alarm mode and non-alarm mode
  • Speaker line monitoring via EOL element
  • Automatic volume control, compressor and limiter


'Digital audio matrix (0/4/4)'