The Shure SM58 is a unidirectional (cardioid) dynamic vocal microphone for professional vocal use in sound reinforcement and studio recording. A highly effective, built-in, spherical filter minimizes wind and breath “pop” noise. A cardioid pickup pattern isolates the main sound source while minimizing unwanted background noise. The SM58 has a tailored vocal response for a sound which is a world standard.Outdoors or indoors, singing or speech, the SM58 is the overwhelming choice of professionals worldwide.FEATURES:- Performance tested, industry standard- Uniform cardioid pick-up pattern for maximum gain before feedback and excellent rejection of off-axis sound- Tailored frequency response specifically shaped for vocals, with brightened midrange and bass roll off to control proximity effect- Advanced pneumatic shock mount system that minimizes transmission of mechanical noise and vibration- Steel-mesh grille and enamel-coated metal construction resist wear and abuse- Effective built in pop-filter reduces undesirable wind and breathe noise- Furnished with zippered storage bag and break-resistant stand adapter- Extremely durable under the heaviest use; Shure quality, ruggedness and reliability