ATUC-50CU Discussion System Control Unit – Audio Technica

The ATUC-50CU Discussion System Control Unit from Audio Technica is the master control center the ATUC-50 wired Digital Discussion System providing users with a wide range of options and clear audio for easy communication. One control unit can power and control up to 100 discussion units and 3 control units can be cascaded via Cat5 (or higher) for up to 300 participants.

A perfect companion to the discussion system, we offer handheld microphone and PA system options for live audio needs. Ask us for a recommendation.

*Microphone not included. 2 options available.


ATUC-50CU Discussion System Control Unit Features

The ATUC-50CU Discussion System Control Unit is the versatile master control center for the ATUC-50 Digital Discussion System. The system can be tailored to meet the users’ needs. Users’ settings can be saved and recalled easily. The control unit can adapt to a large variety of scenarios including: Free Talk, Request to Talk, Full Remote; various override settings: ‘LIFO’, ‘FIFO’ and ‘Non Override’; manual or voice activation and flexible ‘Mic On trigger mode’. There are now three Interpretation channels available for multi-language support.

Read more at Conference Microphone Systems: The Ultimate Guide.

  • One control unit can power up to 100 discussion units
  • Up to 300 discussion units can be daisy-chained via Cat5 cable for large groups
  • Conference mode: Free talk, request to talk and full remote
  • Built-in feedback suppressor provides high-quality audio
  • Future-proof and fully upgradable. Reliable for years to come
  • 65,000 hr recording capability via USB on 4 channels built-in
  • 4 balanced outputs plus output 1 mirrored to unbalanced output
  • Inputs: 2 Mic/Line In + 2 Aux In + 2 Return In
  • Interpretation: 2 Return In channels for 3 languages or 2 languages and floor


  • Dynamic range: 110 dB A-weighted
  • Frequency response: + 1.0, – 2.0dB, 20Hz-20kHz, refer to +4dBu output @ 1kHz
  • Recording: Via USB storage device:
  • 1/2/3/4 track (WAV) (BWF standard)1/2 track (MP3) (Original format)
  • MP3 bit rate: 64kbps/128kbps/192kbps/256kbps/320kbps
  • Connections: Mic/Line ×2, AUX (ST) ×1, INTERPRETATION RETURN ×2
  • Outputs: Balanced ×4, Unbalanced ×1 LINK /CHAIN : DU A/B Terminals, CU A/B Terminals (DU C/D Terminals)
  • Signal-to-noise Ratio: 90 dB, A-weighted
  • Power Supply  AC 100V~240V 50/60Hz
  • Phantom Power          DC +48
  • Power Consumption   20W ~ 175W (max.)
  • Operating Temperature Range           0-40° C
  • Operating Humidity    25-85%
  • Dimensions     482.6mm x 331.6mm x 44mm
  • Weight 3.4kg
  • OLED Display   20×2 Character type, Color: Yellow
  • Operating life time: 100,000 hours
  • Accessories     AC power cord, Quick Setup Guide x 2, Euroblock connectors x 9, Warranty Sheet
  • Warranty: 5 Years

ATUC-50 Digital Discussion System Components