Product Detail Highly directional supercardioid pickup pattern Controlled low-frequency roll-off Very low RF and magnetic hum susceptibility Field-usable over a wide range of temperature and humidity conditions Accepts a wide variety of phantom power sources, including DIN 45 596 voltages of 11 and 52 Vdc . The "Shure SM87A Vocal Microphone" is best product for you. We recommended Shure SM87A Vocal Microphone