ETS SM1-SS-MS Omni-directional Pre-amplified Microphone with Mute Switch

The SM1-SS-MS from ETS is a high performance, omni-directional, pre-amplified microphone designed for fixed location security applications. With a 25’ pickup pattern in all directions, this microphone features a built-in limiter circuit that automatically adjusts the output level during loud sound intervals, ensuring clear audio quality. The hi-cut and low-cut filters effectively reduce background noise, while the built-in mute switch with LED indicator provides easy control over audio output.

ETS SM1-SS-MS Microphone Features

• Omni-directional: 25′ pickup pattern allows for comprehensive sound capture from all directions.
• Low noise MOSFET pre-amplifier: Ensures high-quality audio output with minimal interference.
• 500Hz-13KHz Frequency response: Delivers a wide range of audio frequencies for clear sound reproduction.
• Jumper selectable hi-cut/lo-cut filters: Limits frequency response to 900-6KHz, reducing unwanted background noise.
• Jumper selectable volume range: Offers “Line level” (0db) or “Microphone level” (-30db) settings for versatile audio input.
• Adjustable gain: Provides flexibility in volume control for both volume ranges.
• Peak Limiter: Features a .5sec response time to prevent audio clipping during loud sounds.
• 100 Ohm unbalanced output: Compatible with various audio equipment for easy integration.
• 3 position Euro-style connector: Facilitates fast and clean cable termination.
• Power: Operates on 12 to 24VDC @ 20mA, ensuring efficient power use.
• On-board voltage regulator and RFI filtering: Enhances performance by stabilizing power and reducing interference.
• Mute toggle switch: Allows quick muting of audio output for privacy or control.
• Two color LED mute status indicator: Red indicates muted, green indicates active, for easy status visibility.
• Stainless steel plate: Mounts flush or on a single gang electrical box, blending seamlessly into any environment.

ETS SM1-SS-MS Detailed Specifications