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AST878DM - Astatic Base Station CB Microphone

List price: $130.18
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The Astatic AST878DM is a high quality amplified ceramic desk mic with a tough housing for industrial and commercial use. It includes standard push-to-talk and lock-to-talk buttons (A lock-to-talk button will lock the transmit on until pressed again). This CB microphone requires a 9 volt battery for operation (not included).


This CB microphone has a standard 4 pin plug and a ceramic cartridge. It is compatible with any CB radio wired for a standard 4 pin plug, including the Galaxy DX2547 Base CB Radio.

Astatic AST878DM Features

  • Requires 9V battery (not included)
  • Wired 4 pin Cobra/Uniden
  • PTT and Lock buttons
  • Volume adjustment
  • Rugged resin housing


  • Omni directional
  • 2' coiled cable and 6 conductor w/shield
  • Output -44dB at 1 kHz
  • Impedance 5000 Ohms max
  • Recommended load of 100 ohms and up.

Additional Info

4.00 in
7.00 in
Love the mic! I have never been a D-104 fan, so when looking another mic, I found this one. The "Turner" style with Astatic performance is the main reason I picked this mic. Super loud with a quiet background. I did install another 102 ceramic cap. Made a difference in quiet keying.
This mic works and talks great , would do it all over again . 5 stars!!!
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