Fantastic for live vocal applications.

Shure Beta 58A Mic Features:

• Supercardioid pattern
• Exceptional gain-before-feedback
• Maximum sound isolation
• Minimum off-axis coloration
• Rugged steel mesh grille
• Neodymium magnet
• Electropneumatic shockmount
• Humbucking coil for reduced noise
• 50Hz-16kHz frequency response

If you want your vocals to be heard, the Shure Beta 58A Mic is the one for you. Its consistent supercardioid pattern results in exceptional gain before feedback at all frequencies, maximum sound source isolation, and minimum off-axis coloration. Neodymium magnet provides high sensitivity and output. Also features rugged steel mesh grille, advanced electropneumatic shockmount, and humbucking coil to reduce unwanted noise. Frequency response: 50Hz-16kHz.

It's considered the industry standard for good reason.