ETS SM1-SDP Surface mount, Covert Smoke Detector Style, High Performance, Omni-directional Microphone
SKU
SM1-SDP
Model No
SM1-SDP
$60.54
Product Highlights
- Omni-directional 25' pickup pattern
- Low noise MOSFET pre-amplifier
- 500Hz-13Khz Frequency response
- Jumper selectable hi-cut/lo-cut filters limit frequency response to up to 900 to 6Khz significantly reducing background noise
- Adjustable gain in both volume ranges

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ETS SM1-SDP High performance, Omni-directional, pre-amplified microphone for fixed location security applications. Covert housing designed to appear exactly like a modern smoke detector. 25’ pickup pattern in all directions. Built in limiter circuit automatically lowers the output level during loud sound intervals. Selectable lo-cut and hi-cut filters significantly reduce background noise. Ivory ABS enclosure mounts on any flat 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-SDP Features
- Omni-directional 25' pickup pattern: Ensures comprehensive sound capture from all directions, enhancing surveillance capability.
- Low noise MOSFET pre-amplifier: Provides high-quality audio signals with minimal noise distortion, perfect for clear audio recording.
- 500Hz-13Khz Frequency response: This wide frequency range captures a broad spectrum of sounds, ensuring no detail is missed.
- Jumper selectable hi-cut/lo-cut filters: Allows customization of sound pickup, significantly reducing unwanted background noise for clearer audio.
- Adjustable gain in both volume ranges: Offers flexibility in sound sensitivity, accommodating various environments and needs.
- Peak Limiter: .5sec response time: Protects against audio distortion during loud sounds, ensuring consistent audio quality.
- 100 Ohm unbalanced output: Simplifies connectivity to various audio systems, providing efficient use in multiple applications.
- 3 position Euro-style connector: Facilitates quick and clean cable terminations, saving installation time.
- On-board voltage regulator and RFI filtering: Ensures stable operation and reduced interference, enhancing the reliability of audio reception.
- Ivory ABS enclosure: Blends seamlessly in any environment, while also providing durability and surface mounting convenience.
Detailed Specifications for ETS SM1-SDP
| Pickup Pattern | Omni-directional, 25' range |
| Pre-amplifier | Low noise MOSFET |
| Frequency Response | 500Hz-13KHz |
| Hi-cut/Lo-cut Filters | Selectably adjustable, effective range: 900Hz to 6KHz |
| Gain Adjustment | Adjustable in both volume ranges |
| Peak Limiter | Response time: .5 seconds |
| Output Impedance | 100 Ohm unbalanced |
| Connector Type | 3 position Euro-style |
| Power Supply Features | On-board voltage regulator, RFI filtering |
| Enclosure Material | Ivory ABS |
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