divider-line Wired Control Unit


  • Overview
  • Gallery
  • Features
  • Specifications


ATUC-50CU Wired Control Unit

The 19" rack-mountable ATUC-50CU provides 24-bit/48 kHz digital signal processing (with 12-band feedback suppressor), automated gain control (AGC), mic gain and mic EQ for each connected discussion unit. It can be operated locally, through the Web Remote interface (no software required), or third-party IP control systems. Offers three selectable conference modes (Free Talk, Request to Talk, and Full Remote) and various override settings. Can record WAV and MP3 files onto a connected USB mass storage device. Includes two Mic/Line inputs, two AUX inputs and two interpretation return inputs. For wired systems only.


  • Crystal-clear, 24-bit digital audio processing with 12-band feedback suppressor
  • Easy plug-and-play operation
  • Each ATUC-50CU wired control unit supports a total of 100 ATUC-50DU discussion units, ATUC-50IU integration units, and ATUC-50INT interpretation units*
  • 3 ATUC-50CUs can be linked via Cat5e (or better) cable, providing a wired system with up to 300 DU/IU/INTs
  • Systems can be configured in either daisy chain or ring topology
  • Built-in WAV and MP3 recorder lets you record to a USB mass storage device
  • Control available through Web Remote interface and third-party IP Control Systems


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