By virtue of its design and features, MD 431 II ranks amongst Sennheiser's most exceptional microphones and is suitable for vocal, speech and broadcasting applications. Color: black, sound inlet basket: refined steel. Features: Exceptionally good feedback rejection Shock mounted capsule provides very good rejection noise Hum compensating coil Integral pop filter n/ off switch (reed switch) can be locked in the 'ON' position if required Supply schedule: 1 MD 431 II, 1 quick release clamp MZA 4031 Pick-up pattern: super-cardioid Frequency response: 40- 16,000 Hz Sensitivity (free field, no load) kHz: 1.4 mV/Pa (+/- 3 dB) Nominal impedance: 250 ohms Min. terminating impedance: 1000 ohms Dimensions in mm: O 49 x 200, body O 31 Weight: 250 g