Oktava MK-103 Black, Mic type: medium diaphragm condenser, 19.5 mm capsule with quick transient response, Polar Pattern: cardioid, Freq. Response: 20-20000Hz, Phantom voltage required: 48 +- 2V, Full impedance, module: less than 300 ohms, Weighted SPL (ref. DIN 45412): 18 dBA, Maximum SPL in 250-8000Hz range, (less than 0.5% THD): 140 db, Free field sensitivity at 1KHz: > 7 mV/Pa, Free field sensitivity roll off from 40Hz to 20KHz should not exceed: +- 2,5 db, The difference in free field sensitivity between 0° and 90° in 250-5000 Hz range: 3-10 dB, The difference in free field sensitivity between 0° and 180° in 250-5000 Hz range: > 10 dB, Average sensitivity difference between 0° and 180° for cardioid capsule in 25-5000 Hz range: > 18 db, Includes: 1 x microphon body (preamp), 1 x MK-103 capsule, 1 x -10dB pad, 1 x mic holder, 1 x wooden box, color: black