About: Shure BLX288/SM58 Dual Wireless Handheld Mic System (Freq: H9)
The BLX288/SM58 Wireless Dual Vocal System combines simple wireless setup, professional-grade performance, and two SM58 industry-standard vocal microphones to deliver warm and clear vocal reproduction.
Includes 2 SM58 handheld transmitters, BLX88 dual-channel receiver, 2 microphone clips, power supply, 4 AA batteries, and user guide.
BLX88 Dual Channel Receiver
The durable BLX88 offers 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
Microprocessor-controlled internal antenna diversity
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)