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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.
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
The right choice for extreme fire-fighting
OTTO 500™ Remote Speaker Microphone
The OTTO 500™ is designed to withstand high-pressure water flow and function flawlessly even when exposed to temperatures as high as 260°C for a full 5 minutes, ideal when working in fire ground environments. The OTTO 500™ gives fire professionals the critical minutes of communication that can mean the difference between life and death.
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