Sennheiser ADN CU1-EU ADN Central Unit

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The digital discussion central unit ADN CU1 powers and controls up to 40 (depending on cable length) connected delegate and chairperson units. It offers full configuration in a quick and easy way over the menu display in several languages. Alternatively the integrated software package Conference Manager can be used directly on the CU1 by connecting a screen, mouse and keyboard. The intuitive workflow of the conference manager allows a fluent monitoring and control of the conference. With its low-noise fan the central unit can be used directly in the meeting without disturbing it.


  • Supplies and controls up to 40 discussion units

  • Integrated PC with pre-installed control software

  • Graphical user menu in 13 languages

  • Open Media Control Protocol over Ethernet (compatible to Crestron and other brands)

  • Electronically balanced XLR In- and Ouput (with XLR Mix Minus function for external participants)

  • Permanent malfunction monitoring and error diagnostics

  • Low-noise fan for in-room use


Dimensions417 x 100 x 345 mm 
Frequency response100 Hz - 14.000 Hz 
THD, total harmonic distortion< 0,01% A-weighted at +6 dBV IN, OUT 
Weightapprox. 6.5 kg 
Power consumption245 W 
Operating temperature+5°C to +50°C 
Signal-to-noise ratio> 80dB A-weighted at +11dBu 
Input voltage range-18 dBu to +18dBu (XLR IN) 
Output voltage52,8 V (ADN Bus) 
Output levelmax. +11dBu 


What s in the box?

  • ADN CU1 central unit
  • DVD-ROM with Conference Manager software and manuals
  • Quickguide
  • Mains Cable EU / UK / US
  • ADN Conference Manager
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