Sennheiser MD 422

Frequency response: 30-17000 Hz
Acoustical mode of operation: pressure gradient transducer
Directionalcharacteristic: cardioid
Max.rejection at 1800:  20 dB - 2 dB
Open circuit output level:  2 mV/Pa (b-54 dBV)::!:2.5 dB
Electrical impedance: 200 Ohm
Minimumload impedance: 200 Ohm
Insensitivity to magnetic fields at 50 Hz <5/lV/5/lT
Dimensions in mm: 202 x 46 x 43
Weight: approx. 390 g
Delivery: 1 microphone, 1 stand holder