Can be Mounted in the Ceiling or Wall in a standard electrical outlet box.
75 Ohms, balanced Impedance
Low-Impedance Screw-Terminal Output
PZM-11LL uses miniature mic capsule mounted very near a sound-reflecting plate or boundary
Cost-effective boundary layer microphon, line level version
AKG PZM11 LL Wall Plate Mountable Microphone with line level unterminated pigtail connection - B00704JMFS