OTTO Speaker Microphone Revo NC1

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This compact and economical version of the industry-leading Revo NC1 speaker microphone design is ideal for a wide variety of applications that includes retail, hospitality, restaurants, sporting venues and casinos. Our innovative patented design provides superior noise canceling (NC) and optimum voice reception.


Revo NC-1 (OSM-1) U.S. Patent No. D744,458 U.S. Patent No. 9,386,368

  • Designed as a small, palm-sized speaker microphone for discreet use
  • Large PTT is easy to find
  • Protected against dust and blowing rain to MIL-STD-810
  • Sealed 3.5mm earphone jack included for discreet listening with earphone kits
  • Rotating clip design offers excellent retention

Radio Manufacturers

  • Kenwood
  • Motorola
  • ICom
  • Vertex/Yaesu
  • Hytera
  • Sepura

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