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ETS SM1 Flush Mount Omni-Directional Microphone


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ETS SM1 Flush Mount Omni-Directional Microphone SKU: SM1

In stock

Availability: Ships within 1 business day.

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Made in USA


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.
Flexible plastic plate mounts flush or on
a single gang electrical box.
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.



  • Omni-directional 25’ pickup pattern.
  •  Low noise MOSFET pre-amplifier.
  •  500Hz-13Khz Frequency response.
  •  Jumper selectable hi-cut/low-cut filters limit  frequency response to 900-6khz significantly reducing background noise.
  •  Jumper selectable volume range: "Line level" (0db) or "Microphone level" (-30db)
  •  Adjustable gain in both volume ranges.
  •  100 Ohm unbalanced output.
  •  Internal peak limiter circuit (.5 sec response)
  •  3 position Euro-style connector makes cable termination fast and clean.
  •  Reverse polarity protected
  •  Power: 12 to 24VDC @ 10mA.
  •  On-board voltage regulator and RFI filtering.
  •  S/N ratio: more than 60DB
  •  Sensitivity –45DB
  •  Industrial temperature range –40 to 105C.
  •  Flexible plastic plate mounts flush or on a single gang electrical box.
  •  Dimensions: L 4.7” x W 2.9” H 0.9”
  •  Weight .03lbs


  •  SM1 flush mount microphone.
  •  Mounting screws.
  •  Warning label.


 Installation instructions.

Wiring requirements:2 conductor shielded (with drain wire) 22 gauge stranded. Max cable length 1500’


It is the responsibility of the installation company and end user to install this audio surveillance equipment in compliance with

state and federal privacy laws. If you are unfamiliar with these laws, consult a qualified attorney.


    Additional Information

    Additional Information

    SKU SM1
    Model 0SM1
    Brand ETS
    Shipment N/A
    Manufacturer's Suggested Retail Price N/A