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OTTO 500™

The OTTO 500™ speaker microphone is the right choice for extreme fire-fighting environments. It’s designed to withstand high-pressure water flow and function flawlessly even when exposed to temperatures as high as 500°F (260°C) for a full 5 minutes. The OTTO 500 gives fire professionals the critical minutes of communication that can mean the difference between life and death.

• Extremely durable case and fiberglass insulation protect the sensitive internal components from high temperatures to provide reliable, consistent performance.
• Internal microphone is optimized to reduce ambient noise even in an active fire, ensuring communications are understood.

Want to know more about the OTTO 500™? Click the tab below to view a video with more detail.

Looking for a large quantity or custom order? Please CLICK HERE to request more information.

  • Functions at least 5 minutes at 500°F
  • Removable front grill with replaceable screen for easy removal of dirt and debris
  • Heavy-duty FIRE-TUFF® cable and strain relief, designed to withstand hot blasts of 500°F
  • Optional emergency button with larger notch for easier actuation
  • Large snap-action PTT for use with gloves and protective gear
  • Dual grill provides immersion and high pressure water seal
  • Immersion rated, fully sealed per IP68 standard: tested to withstand submersion in 1 meter of water for 31 minutes
  • Microphone optimized to reduce ambient noise
  • Durable design and construction meets MIL-STD-810
  • Extra large clip with detents every 45° to allow for precise and secure placement
  • BK Technologies
  • E.F Johnson
  • Harris
  • Kenwood
  • Motorola
  • Fire
  • Public Safety

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