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Base Microphone

878 DM
Amplified Microphone

4 Download Manual

      The ASTATIC 878 "power" microphone offers the CB'er modern styling and features along with the sound and "talk-power" made famous by the ASTATIC D104 for over 60 years.

     An output impedance compatible with the inputs of almost all commercial transceivers and externally adjustable high gain amplifier ensures desired modulation level. The 878 has easily accessible control for volume adjustment so that the correct modulation level can be set for each operators voice. The 878 preamplifier is powered by a readily available, easily replaced, 9 volt battery. The 878 has a six wire coil cord which allows for relay, electronic or virtually any type hookup with almost any transceiver.



  • Type: Transistorized Ceramic
  • Output Level: -44dB Below 1 volt per microbar at 1 khz into 1 megohm load
  • Output Adjustment: Approx. 40db range
  • Impedance: 5000 Ohms Max., recommended load of 100 ohms and up
  • Polar Pattern: Omni Directional
  • Cable: 2 foot coiled 6 conductor including shield
  • Weight: 19 1/2 ounces
  • Power: 9v battery


     All Astatic microphones are audio tested and inspected prior to shipment. Astatic's absolute commitment to quality insures that ASTATIC microphones remain the best value in today's competitive industry.


Read about the "History of the Astatic Microphone Company".


OUT  ...878 Base Microphone...
Wired with high quality 4 pin Plug for Cobra / Uniden / President / Galaxy / Radio Shack / Ranger



New Duracell Battery included
in all items below:
Wire with new high quality 5 pin Plug for  Cobra / Uniden / President. $19
Wire with a new high quality 5 pin DIN Plug for Cobra / Uniden $19
Wire with a new high quality 4 pin Plug for Midland $19
Wire with a new high quality 6 pin Plug for Ranger $19
Wire with a new high quality 6 pin Plug for Magnum/President $19
Wire with a new high quality 5 pin DIN Plug for Radio Shack / Sears $19
Wire with a new high quality plug for OTHER. Please specify  your exact Radio and Model in the end of your Order Form when Checking out. $19

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