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.

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