Austrian Audio OC18 Studio Set, Condenser Large Diaphragm Microphone, Polar pattern: Cardioid, Handmade CKR6 ceramic capsule based on the CK12 capsule, Frequency range: 20 - 20,000 Hz, Sensitivity: 13 mV / Pa, Output impedance: 275 ohms (balanced), Input impedance: 1 kOhm, SPL (max): 148 dB / 158 dB (with pad), Noise: <10 dB SPL, Signal-to-noise ratio:> 84 dB, Requires 48 V phantom power, Low Cut Filter: 40, 80 and 160 Hz, Pad: - 10 and - 20 dB, Includes elastic suspension, microphone clamp, windscreen and case, Dimensions: 157 x 63 x 35 mm