Shure BLX24/SM58

Features:

• Up to 14 hours of continuous use (with 2 AA batteries)
• Up to 300′ transmission radius (line of sight)
• Quick and easy frequency matching (Group and Channel selection buttons)
• 2-color transmitter status indicator LED
• Integrated SM58 microphone capsule
• 10dB of gain attenuation
• Lightweight, rugged construction
• 1-touch QuickScan frequency selection quickly locates the best open frequency
• Up to 12 compatible systems per frequency band (region-dependent)
• 2-color audio status indicator LED
• XLR and 1/4″ output connectors