ETS SM1-SDUP Surface mount, Covert Smoke Detector Style, High Performance, Uni-directional Microphone
SKU
SM1-SDUP
Model No
SM1-SDUP
$60.54
Product Highlights
- Unidirectional 25' pickup pattern with reduced (-6db) sensitivity on all sides
- Low noise MOSFET pre-amplifiers
- 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-SDUP is a high-performance, unidirectional pre-amplified microphone designed for environments where minimizing side noise is crucial. Its covert housing mimics a modern smoke detector, providing discreet audio capturing capabilities. The built-in limiter circuit manages loud sound levels by automatically lowering the output, while selectable lo-cut and hi-cut filters help to further diminish background noise. This microphone is versatile and can be easily mounted on any flat surface, making it perfect for use with switchers, mixers, amplifiers, and remote monitoring setups.
ETS SM1-SDUP + Key Features
- Unidirectional Pickup Pattern: Captures sound primarily from the front while reducing sensitivity on sides by -6dB, ensuring clear audio from desired sources.
- Advanced Pre-Amplification: Low noise MOSFET pre-amplifiers enhance audio quality by minimizing distortion and noise.
- Wide Frequency Response: Offers an impressive frequency range of 500Hz-13kHz for clear audio reproduction across various sounds.
- Selectable Filters: Jumper selectable hi-cut/lo-cut filters limit frequency response to 900-6kHz, significantly reducing unwanted background noise.
- Adjustable Gain: Features adjustable gain in both volume ranges, allowing for customized sound output based on the environment.
- Peak Limiter: Fast response time of 0.5 seconds ensures audio levels remain consistent during loud intervals.
- Output Configuration: 100 Ohm unbalanced output simplifies connection to audio systems.
- Easy Termination: The 3-position Euro-style connector facilitates fast and clean cable terminations.
- Integrated Components: Equipped with an on-board voltage regulator and RFI filtering for reliable and interference-free performance.
- Discreet Design: Ivory ABS enclosure allows for inconspicuous mounting on any flat surface.
ETS SM1-SDUP + Detailed Specifications
| Feature | Details |
|---|---|
| Microphone Type | Unidirectional Pre-amplified |
| Pickup Pattern | 25' with -6dB side sensitivity |
| Frequency Response | 500Hz-13kHz |
| Filters | Selectable hi-cut/lo-cut (900-6kHz) |
| Gain Control | Adjustable in both volume ranges |
| Peak Limiter Response | 0.5 seconds |
| Output | 100 Ohm unbalanced |
| Connector Type | 3-position Euro-style |
| Enclosure Material | Ivory ABS |
| Mounting | Surface mountable on any flat surface |
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