"High quality transformerless studio omni condenser microphone designed for use with any one of four interchangeable capsules. This microphone provides exceptionally flat response, making it perfect for any ultra-critical recording or live sound application. The mic is extremely quiet, making it ideal for critical digital or analog recording. It operates on standard phantom power of 48-52 volts DC. 20 Hz - 20 kHz response. 150 ohms impedance. Max SPL: 132 dB."