Cobra HGM75 CB Microphone

Cobra HGM77 Noise Canceling CB Microphone

30 days
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The Cobra® HighGear HGM77 Premium Noise Canceling CB Microphone is a universal 4 pin DIN microphone.

The Cobra HGM77 is an affordable option for those that want to upgrade their current CB microphone but aren't ready to go for the high end $100 CB microphones. The HGM77 is built with sturdy drop proof construction, crystal clear audio, and is backed by a one year manufacturer's warranty.

The Cobra HGM77 microphone is available in black or chrome housing to suit any CB operators sense of style.


The Cobra HighGear HGM77 is a 4 pin dynamic noise canceling CB microphone. The HGM77 Mic is compatible with any CB radio wired to accept a standard 4 pin plug. For more information on compatibility visit CB World’s CB microphone guide. The chrome option on this mic is the factory replacement for the Cobra 29 LTD Chrome CB Radio.


  • Type: Dynamic microphone
  • Impedance: 600 ohm
  • Frequency Response: 150 to 4000 Hz
  • Directivity: Omni-directional
  • Cable: 9 foot coiled with strain relief
  • Housing: rugged ABS plastic

Product Features

  • 9' HighFlex™ coiled mic cord
  • Wire mesh grille
  • Stylish Great looks
  • Quality workmanship
  • Noise Canceling technology
  • Heavy-duty rugged ABS shell
  • 4-pin DIN connector for maximum radio compatibility
  • One year warranty


CB Microphones

Additional Features:
  • Noise Canceling
  • 4 Pin


When my old CB mic died on me, I got a Cobra HGM77 to replace it. It has worked out well so far. I get good reports on the sound. The construction of the mic is sturdy.
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