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EC2018XTREME-A - RF Limited Echo Power CB Microphone

List price: $80.04
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EC-2018XTR Echo Power CB Microphone from RF Limited is a two-way radio digital echo microphone for the 21st century. Take your Citizens Band or Ham radio to the extreme with Endless Echo, Double Talker, and Noise Reducer. You'll get the powerful sound from your CB radio that will rock the air waves!

The XTREME 2018 from RF Limited is a feature-packed 4 pin CB microphone. The EC-2018XTR power mic combines noise canceling, echo, amplification, and talk back all in one microphone! Enjoy creating wild sound effects with the XTREME 2018 mic, even with a stock radio. The XTREME 2018 mic requires a 9 volt battery for operation (not included).

EC-2018XTR Features

  • Echo volume and delay controls on back of mic
  • Cyborg Robotic Voice allows you to sound half man, half machine!
  • Stadium Sound will give you a booming voice like that of a stadium announcer.
  • Adjustable Talkback lets you monitor your transmissions and know what you sound like over the air!
  • Adjustable output volume
  • Whammy Sound Effects
  • Switchable double talk and infinite echo
  • Switchable Noise Reducer „ ¢ - Decreases Microphone Sensitivity and Reduces Background Noise
  • High quality, neoprene microphone cord
  • 4 Pin plug
  • Easy access battery cover
  • Metal front grill
  • 9 volt battery operation (battery not included)


  • Sensitivity: -25dB @ 1000 Hz
  • Impedance: 1000 ohm
  • Frequency Response: 150 - 3000 Hz
  • Echo Frequency Response: 200 - 3000 Hz
  • Echo Time: Variable from 0 to 2 seconds
  • Battery: 9V
  • Internal Noise: 0.5mV or less


The EXTREME Echo Power mic is a 4 pin electret CB microphone. Because it is amplified, it is compatible with any CB radio wired standard 4 pin Cobra/Uniden. The Talkback will only work on radios that switch the receive audio through the microphone circuit. Basically, if you have to plug a mic into your radio to hear anything, the talkback will work for your radio. It can be rewired to fit other radios:

  • Black Wire - PTT Common Ground
  • Shield Wire - Ground
  • Yellow Wire - Ground
  • Red Wire - Microphone Audio Output
  • White Wire - PTT Transmit
  • Blue Wire - PTT Receive

Additional Info

RF Limited
2.00 in
5.00 in

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