Discussion Unit


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ATUC-50DUa Discussion Unit

Discussion Unit

ATUC-50DUa Discussion Unit with high-quality audio. Individual Automated Gain Control (AGC), Mic gain and Mic EQ, Compatibility with standard XLR3 pin gooseneck and High quality speaker for enhanced intelligibility.



discussion unit with high quality audio

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.Using standard Cat 5 (and above) cabling, the ATUC-50 system connects easily through a daisy chain or ring topology.

  • Connect up to 100  discussion units to one control unit
  • Cascade up to 300 discussion units using multiple control units
  • High quality speaker for enhanced intelligibility
  • Clear LED display for volume control and channel selection
  • Individual Automated Gain Control (AGC), Mic gain and Mic EQ
  • Multicolour LED bar on the DU (rear side)
  • Multicolour LED on the Speak button
  • Compatibility with standard XLR3 pin gooseneck
  • Double gooseneck microphone
  • Paintable front plate 
  • Table top or recessed mounting
  • 5 years warranty


Discussion Unit
Dynamic Range 107dB A-Weighted
Frequency response +1.0, -2.0dB 20Hz - 20kHz, refer to +4dBu output @1kHz
Sampling Frequency 24bit /48kHz
Signal-to-Noise Ratio 87dB A-Weighted
Connections Inputs: Mic x 1, Outputs: Headphones x 1, CHAIN: DU / CU terminals
Headroom 20dB
Equivalent Input Noise Less than -121dBu Rs=150ohm
Total Harmonic Distortion Less than 0.07% @1kHz unity
Phantom Power DC +24V
Power Supply DC +48V
Power Consumption 2.2W
Operating Temperature Range 0-40℃
Operating Humidity 25-85%
Dimensions 135mm x 148.3mm x 84.2mm
Weight 570g
Accessories Included Quick Setup Guide, Warranty Sheet