The MD 441 U is a microphone of exceptional quality: its acoustic properties come as close as possible to those of a condenser microphone. Accurate signal response and low distortion are ensured, even with the highest sound pressure level. Surface: all metal casing with black simulated leather finish, sound inlet basket: nickel plated. Features: Excellent feedback rejection Excellent sound quality Spring capsule mounting provides low sensitivity to handling noise Hum compensating coil Five position bass roll-off switch Brilliance (treble boost) switch Integral pop filter supply schedule: 1 MD 441 U 1 microphone clamp MZQ 441 Technical Data: Pick-up pattern: Super cardioid Frequency response: 30 - 20,000 Hz Sensitivity (free field, no load) (1kHz): 1.8 mV/Pa +/- 2 dB Nominal impedance: 200 ohm Min. terminating impedance: 1000 ohms Dimension in mm: 270 x 33 x 36 eight: approx. 450 g