Dynamic Vocal Microphone is a live performance microphone for professional vocalists. Nexadyne Vocal microphones feature patented Shure RevonicTM dual-engine transducer technology, with two precisely calibrated transducers working together to achieve optimal performance. The result is a high-performing microphone line that combines state-of-the-art acoustic signal processing and exceptional cardioid polar pattern linearity. The natural and clean cardioid pattern of the ACEMIC aA58S allows vocals to be presented with natural authentic clarity. Built with the industry standard of consistency.