Unidirektional XLR Connector Polar-pattern XLR Power Source Kabelgebunden Dynamic Audio Microphone with Heart Function SM58 is the myth among the song microphones With its distinctive voice, strong presence, bouncy reliability and model reliability, SM58 has been the number one in live theaters worldwide for decades of time. Trends in music and band show and go – SM58 is re-discovered by every generation. * Optimized frequency range for sounds with the current medium range and bass reduction. Durability and Reliability * Lockable on/off switch on SM58S