ETS SM1-LE2 Economy Surface Mount Omni-Directional Microphone

The SM1-LE2 from ETS is a Low cost, High performance, Omni-directional, pre-amplified microphone for fixed location security applications. 25’ pickup pattern in all directions. Built in limiter circuit automatically lowers the output level during loud sound intervals. Selectable Hi cut and low cut filters significantly reduce background noise. ABS enclosure mounts on any surface. Connects directly to our switcher / mixer / amplifiers or use one of our many interface products to make fast and clean connections to DVRs or remote monitoring equipment.

ETS SM1-LE2 Microphone Features

• Omni-directional 25’ pickup pattern: Captures sound from all directions, ensuring clear audio regardless of microphone placement.
• Low noise MOSFET pre-amplifier: Provides high-quality sound with minimal background noise, ideal for security applications.
• 500Hz-13Khz Frequency response: Covers a broad audio range, ensuring accurate audio reproduction.
• Jumper selectable hi-cut/low-cut filters: Tailor the frequency response to reduce unwanted background noise, enhancing audio clarity.
• Jumper selectable volume range: Easily switch between "Line level" (0db) and "Microphone level" (-30db) for versatile audio applications.
• Adjustable gain: Fine-tune volume in both ranges for customized sound levels.
• 100 Ohm unbalanced output: Simplifies integration with other audio equipment while maintaining sound quality.
• Internal peak limiter circuit: Prevents distortion during loud sound intervals, ensuring consistent audio quality.
• 3 position Euro-style connector: Facilitates fast and clean cable termination for easy setup.
• Reverse polarity protected: Safeguards against incorrect wiring, enhancing durability and reliability.
• Power: 12 to 24VDC @ 10mA: Compatible with various power sources, making it versatile for different installations.
• On-board voltage regulator and RFI filtering: Ensures stable operation and reduces interference from radio frequencies.
• S/N ratio: more than 60DB: Delivers high signal-to-noise ratio for clearer audio output.
• Sensitivity –45DB: Ensures good pick-up of sound even in quiet environments.
• Industrial temperature range –40 to 105C: Operates in extreme conditions, making it suitable for diverse applications.
• ABS enclosure: Durable construction easily mounts on any surface, providing flexible installation options.

Detailed Specifications for ETS SM1-LE2