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 Weight 1.2 kg