Oktava MKL-5000, Multi-Pattern Tube Microphone, Switchable polar pattern: Cardioid, omnidirectional and figure-eight, Frequency range: 20 - 18000 Hz, Sensitivity: 12 mV / Pa, Max. SPL @ 1 kHz> 125 dB, Output impedance: 350 ohms, Dimensions (diameter x length): 64 x 255 mm, Weight: 1.1 kg, Includes power supply