• Simple setup for hassle - free use. • Intuitive controls for easy operation. • Microprocessor - controlled internal antenna for great performance. One - touch QuickScan frequency selection quickly locates the best open frequency in case of interference. For use with BLX Wireless Systems. Note: When purchasing separate wireless components, please match their frequency bands to ensure proper system operation.

This Shure BLX4 Wireless Receiver is perfect for musicians, presenters, and anyone who needs high - quality wireless audio. It's easy to set up and use, with intuitive controls. The receiver has XLR and output connectors. It comes with a two - color audio status indicator LED. Green means normal audio levels, and red indicates excessive audio levels (overload / clipping). Use it for live performances, conferences, or any event where wireless audio is needed.