XLR and ¼" output connectors
Two-color audio status indicator LED
Green:  Normal audio levels
Red:  Excessive audio levels (overload / clipping)
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.
Note: When purchasing separate wireless components, please match their frequency bands to ensure proper system operation.