Vocal microphone polar pattern cardoid dimensions l x r 160 x 50 mm series shure beta weight 278 g suitable for vocals public speaking electric guitar home recording wind instruments recording studio livestage transducer type dynamic directivity supercardioid sensitivity 1khz 26 mvpa impedance 290 ohm frequency response 50 16000 hz plug xlr features integrated pop filter pneumatic vibration absorber included accessories thread adapter carr