NEW Cobra HG-M73 dynamic microphone compatible with many models of Cobra radios* with 4 pin mic connector . The Cobra M73 microphone is perfect for mobile CB, Amateur, and AM/SSB operation. Rugged construction with polyurethane-coated steel grill. The Cobra microphone provides 150 to 4000Hz frequency response. FACTORY BRAND NEW. Ships in retail or bulk packaging. 

WIRING:
PIN 1 - Shield / Ground
PIN 2 - Audio
PIN 3 - TX PTT
PIN 4 - RX

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*Compatible with the following radios:

Cobra
  • 18 WX ST II
  • 19 DX IV
  • 19 UltraIII
  • 21 LTD 
  • 25 LTD
  • 25 LX
  • 25 NW LTD
  • 25 WX NW ST
  • 29 LTD Chrome
  • 29 LTD Classic
  • 29 LTD DE
  • 29 LX
  • 29 LX Camo
  • 29 NW LTD
  • 29 WX NW ST
  • 78 
  • 138XLR
  • 139XLR
  • 146 
  • 148 GTL