- Ideal for permanent installations
- Absolute EMI/RFI immunity
- Completely passive sensor with no metal or electrical parts
- Stereo version improves target intelligibility and localization
- High reliability and environmental stability
- Optical fiber connection over extended lengths without signal loss
- Difficult to detect
- Cost-effective, long-term solution
The FOS stereo enables you to listen and record through concrete walls, windows, and doors without the need to be inside the room. The FOS is ideal for permanent installations in structures and walls, due to its light weight and waterproof design.
The FOS Stereo features built-in DSP noise reduction of up to 22dB of ambient noise.
The FOS Stereo system is comprised of two advanced fiber optic contact microphones and dual-channel electro-optic unit (EOU300) with built-in DSP, for digital-to-analog conversion of optical microphone output signals. The Dual Channel EOU300 supports monitoring with two sensors simultaneously. It features two pairs of ST-style fiber optic connectors; two 3.5 mm stereo sockets (one for stereo analog output, another for headphones); dual volume control knobs; green/red LED voltage indicator. DSP model provides up to 22 dB of real-time ambient noise removal (three levels: low, mid, high). Unit is powered either by internal batteries or external DC power supply.
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- Listening through walls
- Remote monitoring of structure-borne audio signals
- Highly explosive areas
- High RF areas
- Severe electromagnetic fields
- Homeland Security
- SWAT Teams
