Camcorder microphone series rode vm transducer type condenser directivity cardioid suitable for filmtvbroadcasting livestage video camera sensitivity 1khz 25 mvpa frequency response 40 20000 hz stereo operating time 30 h features led display shock mount dimensions 100 x 102 x 118 mm noise level 143 db transmission mode cable dynamic range 131 db signal noise ratio 82 db inherent noise 12 dba impedance 200 ohm phantom power battery su