ATUC-50DU Push-To-Talk Discussion Unit – Audio Technica

The ATUC-50DU Push-to-talk Discussion Unit from Audio Technica is part of the ATUC-50 wired Digital Discussion System giving participants clear and easy conversation in small to large group settings. This discussion unit combines a high-quality speaker and and push-to-talk microphone in a single compact unit. For large group settings, up to 300 ATUC-50DU discussion units can be daisy-chained with multiple control units.

A perfect companion to the discussion system, we offer handheld microphone and PA system options for live audio needs. Ask us for a recommendation.

*Microphone not included. 2 options available.


 ATUC-50DU Push-To-Talk Discussion Unit Features

As part of the complete ATUC-50 Discussion System, the ATUC-50DU Push-to-talk Discussion Unit offers crystal clear and reliable communication between floor chairman and participants making communication simple and efficient. Perfect for conference rooms, classrooms, board meeting spaces or courtrooms, the ATUC-50DU can be used for virtually any application where participants need to hear and speak. Controlled by the versatile ATUC-50CU Control and connected via Cat 5 (and above) cabling, up to 100 discussion units can be daisy-chained. 3 control units can be daisy chained for up to 300 participants. 2 gooseneck microphone options available (not included).

Read more at Conference Microphone Systems: The Ultimate Guide.

  • Internal speaker provides crystal clear sound
  • Easy to read LED display shows volume level and selected channel
  • Individual Automated Gain Control (AGC), Mic gain and Mic EQ
  • LED light bar on back side (Multicolour)
  • Push-to-talk “Speak” button LED (Multicolour)
  • Up to 100 discussion units can be connected to one control unit
  • 3 control units can be daisy-chained for up to 300 discussion units
  • 2 gooseneck microphone options available with standard XLR3 pin (not included)
  • Front plate is paintable


  • 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
  • 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
  • Warranty: 5 years

Push-to-talk Discussion System Components