AKG PZM30 D Hemispherical Boundary MicrophoneThe PZM30 D from AKG is a Pressure Zone Microphone designed for professional recording, sound reinforcement, and broadcasting. It has many applications, from miking full orchestras or individual musical instruments to security or teleconferencing. The capsule is mounted in the pressure zone, an area where direct sound and reflected sound are in phase, which provides a 6dB higher sensitivity. Two selectable frequency responses (flat rising) provide