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 Orders requiring technical work are shipped in about 7-14 days.





RF Limited CR577 4 Pin Ceramic Microphone

Ceramic Microphone


The CR 577 features a ultra-clear ceramic microphone cartridge, low-noise audio amplifier with volume control and a variable tone control to 'dial in' your audio.



  •           1 inch Diameter Ceramic Microphone Cartridge

  •           Low-Noise Audio Amplifier IC

  •           External Volume (Gain) Control on Back Panel

  •           External Tone Control on Back Panel   

  •           The Highest Quality, Soft-Shell Neoprene Microphone Cord

  •           Separate Battery Cover for Quick and Easy Access

  •           Metal Front Grill

  •           Pre-wired for 4-pin Radios

Click for larger image

...CR577 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. $17
Wire with a new high quality 5 pin DIN Plug for Cobra / Uniden $17
Wire with a new high quality 4 pin Plug for Midland $17
Wire with a new high quality 6 pin Plug for Ranger $17
Wire with a new high quality 5 pin DIN Plug for Radio Shack / Sears $17
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. $17
Wire / Mod mic, SPECIAL For the Bluetooth Cobra Radios with button and 6 Pin plug. $47


See review done by Wordwide











The item most overlooked when ordering a custom radio is the microphone.  Your new tuned radio will NOT
sound great  with a stock mic on it  If your CB is more than a tool for work, you NEED to upgrade your microphone. 
My personal favorites are the Astatic 636L and RD104E.


If you place an order from outside the continental USA, we will calculate your actual shipping and send you a PayPal payment request.  We do NOT export Base stations or  Antennas.


954-771-8161 BELLS CB Warranty and Return Policy 954-771-8161


BellsCB Radio, 5051 NE 12th Avenue, Oakland Park, Florida. 33334   (954)771-8161