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ETS SM1-LE Self Contained Surface Mount Omni-Directional Microphone W/ 25ft Radius
The SM1-LE from ETS is an installer friendly self-contained surface mount microphone for direct mounting on all types of materials; such as brick, concrete, drywall, etc..
This audio mic uses an omni-directional signal elect element that allows for a 25ft radius in all directions. Additionally this mic is powered through basic 12VDC, which makes it extremely useful in a number of audio surveillance applications.