Pressure gradient transducer with double gold plated membrane capsule Variable pattern large diaphragm microphone Three directional characteristics: omni cardioid figure-8 20 dB front to back rejection 200 ohms Flat frequency response of 30 Hz - 20 kHz 16 mV sensitivity 140 dB maximum SPL 48 volt phantom power required Low noise transformer circuitry Switchable low frequency roll-off Switchable 10 dB pre-attenuation Carrying case included Optional accessory: Studio Pro Shock Mount