Sennheiser MD46 Microphone, Dynamic Reporter Microphone, Special interview and reporter's microphone, Dynamic cardioid with long handle, Dimensions: length 250 mm, diameter 49 mm, Polar pattern: cardioid, Frequency range: 40 - 18,000 Hz, Sensitivity (free field, no load) 1 kHz: 2.0 mV/Pa + -2.5 dB, Nominal impedance at 1kHz: 350 Ohm, Min. terminating impedance: 1000 Ω, Optional clamp MZQ 800,, Optional windshield MZW4032ANT