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Microphones

OTTO Microphones include a range of Remote Speaker Mics (RSMs) and throat microphones, catering to a wide range of industries and users.

OTTO microphones

Expect audio excellence

Every day, OTTO's microphones are put to the test by people in the field and on the front line.

OTTO Remote Speaker Microphones (RSMs)

OTTO offers a range of RSMs with varying functionality to suit all users. From the original, field-tested Evolution™ speaker mic with robust internal speaker, to the OTTO 500™ speaker microphone for extreme fire-fighting environments, to Revo NC2™ with patented noise-cancelling (NC) microphone for optimum voice clarity, and the Storm™ speaker mic—OTTO has your audio covered.

OTTO Throat Microphone

OTTO’s Throat Microphone keeps you in control and connected in high-noise, high-stress environments. The advanced microphone technology transmits even whispered commands. Fits comfortably and transmits flawlessly when used with gas masks, respirators, ballistic helmets, hazmat suits and other protective gear.

Microphone Specifications

Evolution RSM

  • Tested to MIL-STD-810
  • High-performance omnidirectional microphone
  • Volume control
  • 2.5mm audio jack connector to suit OEM radios
  • IS/ATEX-certified model available

500 RSM

  • Tested to MIL-STD-810 and IP68-rated
  • Fire-Tuff cable
  • Withstand temperatures up to 260°C for 5mins
  • Removable front grill and replaceable debris screen

Revo NC2™ RSM

  • IP68-rated
  • Noise-cancelling (NC) top-mounted microphone
  • Built-in debris screen
  • 3.5mm audio jack to suit OEM radios
  • Optional emergency button for selected radio models

Storm RSM

  • Tested to MIL-STD-810 and IP68-rated
  • Large, textured PTT and push-button volume control
  • Built-in debris screen
  • 2.5mm audio jack
  • Two-pin connector for OEM radios
  • IS/ATEX-certified model available

Throat Microphone

  • Advanced microphone technology receives even whisper-quiet audio
  • Break-away strap for user’s safety in emergencies
  • In-line PTT for convenient use
  • Remote ring PTT for covert or hands-free use
  • Quick disconnect acoustic tubes for easy and hygienic sharing
  • Additional ear insert options available

Want clear and reliable communications?

Contact your local Logic Dealer to learn more about OTTO solutions.

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