Control Unit


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ATUC-50CU Control Unit

ATUC-50CU Control Unit. Controls up to 100 discussion units, Cascade capability to handle up to 300 discussion units and control available via web remote interface. Conference mode: Free talk, request to talk and full remote. Built-in feedback suppressor




the heart of the atuc-50 system

Whatever your conferencing or discussion needs, the ATUC-50 is designed to offer reliable, clear and intelligible communication to significantly increase meeting efficiency and effectiveness. Voice is the quickest and most efficient tool for exchanging ideas - whether in meeting rooms, councils, classrooms or through videoconference, speech is the most direct way of communication and understanding.Advanced configuration can be used to tailor the system to the users’ needs. Each configuration can be saved and recalled instantly. Multiple modes allow for adaption to each and every situation 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’. IP Control allows full parameter access from most third party control systems. Three Interpretation channels answer today’s need in contemporary meeting rooms.Features of the ATUC-50CU control unit include:

  • Powers up to 100 discussion units
  • Cascade capability to handle up to 300 discussion units
  • Conference mode: Free talk, request to talk and full remote
  • Built-in feedback suppressor and processing for optimal audio quality and intelligibility
  • Fully digital system with future-proof upgrade capability
  • Built-in 4 channels recording for up to 65,000 hrs on USB
  • 4 balanced outputs plus output 1 mirrored to unbalanced output
  • 2 Mic/Line In + 2 Aux In + 2 Return In
  • 2 Return In channels handle floor + 2 additional langauges


Control Unit
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:
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
Signal delays MIC Input to Output: 1ms
DU to CU: 1.2ms
Headroom 20 dB
Equivalent Input Noise Mic/Line 1-2, less than -126dBu, Rs=150 ohm
Total harmonic distortion Less than 0.03% @1kHz unity
Crosstalk at 1 kHz Less than –80dB
Power Supply AC 100V~240V 50/60Hz
Phantom Power DC +48V
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 20x2 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

Software & Firmware

Visit our downloads page for the most up-to-date software and firmware.

If you require assistance identifying the correct software/firmware or need help with installation then please contact us.