Audio-Technica ATUC-IRDU IR Discussion Unit

The ATUC-IRDU has a 3-pin XLRF-type input for use with ATUC-M43H, ATUC-M58H and ATUC-M32L microphones. Configured for up to two users, the unit includes dual request-to-talk/mute buttons, indicator LEDs, and 3.5 mm (1/8") headphone jacks with volume controls, giving both users equal access to the microphone. The IRDU is also equipped with a channel/volume display, channel selection buttons, and built-in speaker. It is designed for tabletop or recessed mounting, and is powered by one or two LI-240 lithium batteries (available separately) for approximately 6.5 or 13 hours of use, or by an AC adapter (available separately). For wired or wireless systems.

Specifications:

Overall System

• Operating Frequencies: Infrared
• Frequency Response: +1.0, -2.0dB, 200Hz - 5kHz (+4dBu output at 1kHz)
• Operating Range: Max. 6m
• Total Harmonic Distortion: Less than 1%, 1kHz unity
• Operating Temperature Range: 0 - 40°C
• Operating Humidity: 25 - 85%
• Headroom: 7dB
• Number Of Channels
  • Voice: 10 channels
  • Monitor: 4 channels

Discussion Unit

• Dynamic Range: 65dB, A-Weighted
• Signal-to-Noise Ratio: 58dB, A-Weighted
• Connections:
  • Inputs: Microphone XLR x1
  • Output: Headphone 3.5mm x2
• Equivalent Input Noise: Less than –80dBu, Rs = 150ohm
• Phantom Power: DC+24V
• Battery: LI-240a (lithium-ion battery) × 2
• Battery Life:
  • 1 Battery: 6hours 40minutes (transmitting:receiving = 1:4)
  • 2 Batteries: 13hours 20minutes (transmitting:receiving = 1:4)
• Power Supply: DC+12V, 1A
• Power Consumption: 4.0W
• Dimensions: 189mm × 150mm × 71.3mm
• Weigh: tApprox. 800g (including 2 batteries)

Infrared

• Bandwidth1MHz - 10MHz
• Modulation Method: FM