U891RCb Cardioid Condenser Boundary Microphone with Local or Remote Switching https://www.audio-technica.com/hu-hu/microphones/wired/type/boundary/u891rcb
This microphone’s external contact closure switch allows users to control a remote device from a switch on the microphone; its touch-sensitive capacitive-type user switch can be set to three operating modes. Equipped with PivotPoint® rotating output
Engineered Sound® UniPoint® ProPoint Mikrofon