IR Discussion Unit


  • Equipped with two multifunction buttons which can be shared with 2 people, or used for the chairman
  • Use of one or two batteries for over 13 hours of operation
  • High quality speaker for enhanced intelligibility
  • Clear LED display for channel selection
  • Individual Automated Gain Control (AGC), Mic gain and Mic EQ
  • Multicolour LED bar on the DU (rear side)
  • Multicolour LED on each speak button
  • Compatibility with standard XLR3 pin gooseneck
  • Supports ATUC-MIC and their LED rings


  • ATUC-IRDU Specifications

    Infrared Frequency
    1MHz ~ 10MHz
    Modulation Mode
    Dynamic Range (Typical)
    65dB, A-Weighted
    Signal-To-Noise Ratio
    58dB, A-Weighted
    Equivalent Input Noise
    Less than –80dBu, Rs = 150ohm
    Inputs: Microphone XLR x1;
    Output: Headphone 3.5mm x2
    Output Voltage
    Phantom Power DC+24V
    Battery Type
    LI-240 (lithium-ion battery) × 2
    Battery Current / Life
    1 Battery: 6hours 40minutes (transmitting:receiving = 1:4)
    2 Batteries: 13hours 20minutes (transmitting:receiving = 1:4)
    Power Supply
    DC+12V, 1A
    Current / Power Consumption
    189mm(W) × 150mm(D) × 71.3mm(H)
    Approx. 800 g (including 2 batteries)
    Accessories Furnished
    Battery cover × 2