Why you need the Shure BLX24 / PG58 Wireless System: The BLX24/PG58 Handheld Wireless System is part of the BLX wireless systems family. 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. BLX2 Handheld Transmitter: • Shure’s PG58 dynamic vocal mic ideal for lead and backup vocal performance applications • -10 dB gain attenuation • Lightweight, rugged construction • Color ID caps, available separately BLX4 Single Channel Receiver: • One-touch QuickScan frequency selection quickly locates the best open frequency • Up to 12 compatible systems per frequency band • Two-color audio status LED indicators • LED display • XLR and 1/4 inch output connectors