Shure RPW204 Nexadyne 8/S Supercardioid Revonic Microphone Capsule for Wireless Transmitters (Black)Specifically engineered to provide live stage performers with a clear, detailed vocal sound that rivals studio mics, the black Nexadyne 8 S Capsule from Shure is a supercardioid dynamic vocal microphone capsule for use with Shure handheld wireless transmitters. The 8 S features an innovative Revonic dual transducer design that uses two separate, but interdependent sets of diaphragms, voice coils, and magnets. This unique technology gives this dynamic