The Shure SM7B is a large diaphragm dynamic microphone that possesses all of the necessary qualities for professional voiceover applications. Flat, Wide-Range Frequency Response The flat frequency response enhances the mid-range and high frequencies that are associated with the human voice. Rejection Of Electromagnetic Hum Improved rejection of electro-magnetic hum, optimized for shielding against broadband interference emitted by computer monitors. Air Suspension Shock Isolation Internal "air suspension" shock isolation virtually eliminates mechanical noise transmission. Pop Filter Built-in pop filter eliminates need for any add-on protection against explosive breath sounds, even for close-up vocals or narration. Cardioid Polar Pattern Cardioid polar pattern effectively isolates signal source improving gain before feedback.