Astatic 878DM Desktop CB Microphone


  • Type: Transistorized Ceramic
  • Output Level: – 44 dB
  • Cable: 2 ft With 4 Pin Connector
  • Output Adjustment: 40 dB Range
  • Impedance: 5000 Ω
  • Weight: 550 g
  • Size: 27 x 21 x 13 cm


The Astatic AST-878DM is an omnidirectional ceramic desk microphone offering rugged Cycolac housing for Industrial and commercial applications.

The microphone switching is accomplished with a simple «push to talk» button with locking capabilities. The volume can be adjusted with a potentiometer, located under the microphone’s base. This microphone is designed to take normal abuse and retain its performance just as all Astatic microphones.

Special features:

  • Output level: – 44 dB below 1 V per microbar at 1 kHz into 1 Megohm load
  • Polar pattern: Omnidirectional
  • Switch control: Push to talk
  • Cable: 2 ft with 4 pin connector
  • Finish: Durable moulded Cycolac in black with die-cast base
  • Power: 9 V battery (not included) or regulated power supply (not included)