Shure SM7B Cardioid Dynamic Microphone Price: $399.00 (as of 05:48 EST- More info)

Flat, wide-range frequency response for exceptionally clean and natural reproduction of both music and speech
Bass rolloff and mid-range emphasis (presence boost) controls with graphic display of response setting
Improved rejection of electromagnetic hum, optimized for shielding against broadband interference emitted by computer monitors