The SM1-P from ETS is a flush mount high performance ominidirectional microphone. Adjustable high and low frequency cut off filters. Useful for reducing background noise. Adjustable automatic level control with a compression ratio range of 1:1 to 10:1. The circuit automatically lowers the gain in loud environments and when quiet, raises the gain where faint audio sources such as people whispering can then be heard. Universal Power input: Accepts 12-60Vdc or 9-42VAC. 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.
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