Beyerdynamic MM 1 - Condenser Measurement MicrophoneThe MM 1 measurement microphone can be used anywhere that requires precise results. Featuring an omnidirectional polar pattern, this microphone is ideal for measuring studio spaces, PA systems and sound reinforcement systems. When used in combination with a spectrum analyser, it can monitor not only frequency response measurements, but also the sound pressure level of speakers. The MM 1 also provides a valuable service when it comes to measuring audio