GM-143C Chairman Unit

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The GM-143C Chairman Desktop Microphone is part of our brand new affordable push-to-talk GM-143 Desktop Conference Microphone System.

This chairman unit allows for speech priority when connected to the GM-143 Desktop Conference Microphone System.

  • Connect daisy-chained microphone units (GM-143C Chairman and/or GM-143S Delegate) with universal/standard CAT.5e or CAT.6 cabling
  • GMC-60 audio converter or GMC-10 audio converter connects microphone chain to external speaker or mixer
  • External speaker or mixer not included but required for audio output
  • Individual gain control available on each microphone unit
  • LED on both gooseneck and base indicates when microphone is live
Specifications for GM-143 Microphones
Cartridge Uni-directional condenser type
Impedance 680Ω
Sensitivity -50dB ± 3dB
Distortion < 0.5%
S/N Ratio ≧ 60dB
Frequency Response 80Hz – 16kHz
Max Input SP 100dB for 1% T.H.D
Display LED
Sound Control Automatic shut off after no audio signal for 5 minutes (except in Chairman Priority mode)
Chairman priority (MUTE) GM-143C only
Speech(TALK) GM-143C and GM-143S
Gain control(GAIN) GM-143C and GM-143S
Input/output jack 2
Working Voltage 15V / 4.3A
Dimensions (in.)
Dimensions (mm)
6.4 x 4.3 x 18.9 (L,W,H)
162 x 110 x 479 (L,W,H)
Weight (oz)
Weight (g)
18.8
532


Please contact us at This email address is being protected from spambots. You need JavaScript enabled to view it. or 240.404.0549 to request more information and/or a quote for purchase of Brähler conference technology.

Conference Systems is a division of PSAV. PSAV is the preferred audiovisual rental and staging partner for major hotel brands, conferences/conventions, hospitality management companies, as well as various independent customers and clientele throughout the world.

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