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Noise Canceling Microphone


     The Road-King 56 (RK-56) Dynamic Microphone is designed for voice communications applications requiring a rugged, hand-held microphone. Its noise-canceling design makes it particularly effective for use in noisy locations, and its excellent voice response characteristics make it a good choice in quiet areas as well.

     The RK-56 uses dynamic, differential type cartridge which discriminates against sounds greater than -inch (12 mm) away. A non-marking lip guard assures the user of correct microphone-to-mouth positioning. Best noise cancellation is achieved with the edge of the lip guard just touching the upper lip. The push-to talk switch is located on the top of the microphone housing. The RK-56 is equipped with the  Highest Quality, "BELDEN" six-conductor, receive coiled cord which is relieved at the microphone housing by a telephone type strain relief grommet. The cord may be wired for either relay or electronic switching.

  • Dynamic LO-Z Noise canceling microphone
  • Non-Amplified
  • Polyurethane coated steel grill screen
  • Limited one year warranty
  • Pre-wired for 4 pin Cobra,
    REQUIRES PLUG and WIRING for other types of radios.


  • Microphone type:  Noise-canceling dynamic
  • Frequency response: 100 Hz to 8 KHz
  • Output level at 1 KHz:
    Open circuit: -72 db (ref: 0 db= 1 V/ubar)
    Power level: -55db  (ref: 0 db= 1 mW/10 ubar)
  • Output Impedance: 2000 ohms (matches 600-5000 ohm inputs)
  • Cable (mic cord):
    6 conductor, receive, coiled cord: 12 inches (304 mm)
    retracted and 6 feet (1.8m) extended.
  • CASE: receive Cycolac
  • Weight:8 ounces (0.2 kg)
  • UPC #: 0 45464 76964 3
  • Manufacturer - DAS Distributors (NOT Turner and NOT Telex)


See this video on how to properly
hold this NOISE canceling mic.





...RK56B with Belden Mic Cable....
Pre-wired with high quality 4 pin Plug for Cobra / Uniden / President / Galaxy / Radio Shack / Ranger



Additional Items you might also consider:

Wire with high quality 5 pin Plug for  Cobra / Uniden / President. $15
Wire with high quality 5 pin DIN Plug for Cobra / Uniden $15
Wire with high quality 4 pin Plug for Midland $15
Wire with high quality 6 pin Plug for Ranger $15
Wire with high quality 5 pin DIN Plug for Radio Shack / Sears $15
Wire with high quality plug for OTHER. Please specify  your exact Radio and Model in the end of your Order Form when Checking out. $15
Wire / Mod mic, SPECIAL For the Bluetooth Cobra Radios with button and 6 Pin plug. $47

Suport Ukraine 90day-warranty-decal