About: Shure BLX24/SM58 Wireless Handheld Mic System (Freq: H9)
Shure BLX Wireless Systems combine professional-quality sound with simple setup and an intuitive interface for legendary audio performance right out of the box. Precision-built and available in a variety of configurations, it’s the most accessible way to own the stage.
Includes BLX4 single-channel receiver, BLX2/SM58 handheld transmitter, microphone clip, power supply, 2 AA batteries, and user guide.
BLX4 Single Channel Receiver
The durable BLX4 features simple setup, intuitive controls, and microprocessor-controlled internal antenna diversity. One-touch QuickScan frequency selection quickly locates the best open frequency in case of interference. For use with BLX Wireless Systems.
Features:
XLR and ¼" output connectors
Two-color audio status indicator LED
Green:  Normal audio levels
Red:  Excessive audio levels (overload / clipping)
BLX2/SM58 Handheld Transmitter
Compatible with Shure microphones trusted by musicians for decades, the BLX2 transmits wireless audio with professional clarity and reliability.
Features:
Quick and easy receiver frequency matching
Integrated microphone capsule design, featuring SM58
Lightweight, rugged construction
Up to 14 hours of continuous use (2AA batteries)
Up to 300 feet (100m) transmission radius (line of sight)
Color ID caps (available separately)