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Chiayo GM-143C-T


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Product Overview

Telescopic Gooseneck Desktop Microphone w/Priority & Lock Button – Chairman

  • Uses universal standard CAT.5e/CAT.6 cable for audio link daisy chain connection
  • Unique circuit loop design. Every GM-143 unit and switching adaptor can be located anywhere in the loop (The audio converter can be at start or end of system only)
  • System capacity up to 60 units. GMC-60 audio interface connects to any audio amplifier
  • Telescopic design with length-adjustable gooseneck avoids moving the base
  • Lockable RJ45 mechanical design prevents any loose cable and unauthorised meddling
  • Specific speech priority only for the CHAIRMAN unit GM-143C(T)
  • One switching adaptor and audio converter enables the entire system
  • Easily noticeable TALK indicator LED on both the gooseneck and the base
  • The microphone(s) automatically shut off after idling for 5 minutes
  • Suitable for medium / small size company, corporate and school conference room
  • Elegantly shaped plastic casing weighing only 733g




  • 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: Yes
  • Chairman priority (MUTE): Yes
  • Speech(TALK): Yes
  • Gain control(GAIN): Yes
  • *Input/output jack: 2
  • Working voltage: 15V, 4.3A
  • Dimensions (mm): 162x110x479 (L,W,H)
  • Weight (g): 733

Product Downloads

  • GM-143C-T Brochure PDF 0.7 MB
  • GM-143C-T User Manual PDF 0.5 MB


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*Prices are in AUD, include GST and are subject to change. Please call National Audio for pricing and availability on the GM-143C-T.