ETS SM1-RJ Flush mount, Covert Phone Jack Style, Omni-directional Microphone

ETS SM1-RJ is a high-performance, covert telephone jack style, omni-directional microphone designed for fixed location security applications. With a 25-foot pickup pattern in all directions, it ensures wide coverage. The built-in limiter circuit automatically lowers the output level during loud sound intervals, while selectable high cut and low cut filters significantly reduce background noise. Its ABS enclosure allows for easy mounting on any surface, and it connects directly to switchers, mixers, amplifiers, or various interface products for seamless integration with DVRs or remote monitoring equipment.

Features

• Omni-directional 25’ pickup pattern: Captures sound from all directions, ensuring comprehensive audio surveillance.
• One functioning RJ jack: Provides a reliable connection point for easy integration.
• Low noise MOSFET pre-amplifier: Enhances audio clarity by minimizing noise interference.
• 500Hz-13Khz Frequency response: Ensures high-fidelity audio capture across a broad range of sounds.
• Jumper selectable hi-cut/low-cut filters: Limits frequency response to 900-6khz, effectively reducing background noise for clearer recordings.
• Adjustable gain in both volume ranges: Offers flexibility to adapt audio levels based on specific environments.
• 100 Ohm unbalanced output: Facilitates easy connection to various audio equipment.
• Internal peak limiter circuit (.5 sec response): Protects audio quality by preventing distortion during loud sounds.
• 3 position Euro-style connector: Makes cable termination fast and clean for quick installations.
• Reverse polarity protected: Safeguards the microphone from potential damage due to incorrect connections.
• On-board voltage regulator and RFI filtering: Ensures stable performance and reduces radio frequency interference.

ETS SM1-RJ Detailed Specifications