High performance, omni-directional pre-amplified microphone for use in covert applications. Small form factor microphone and pre-amplifier circuit board. Heat shrink protected, pre-amplifier board can be mounted with the affixed foam backed tape or left floating inside a wall or hidden in a ceiling. 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.