Shure BLX4 Wireless Receiver for BLX Wireless System - H10 Band 100830454 As you turn the control

As you turn the control clockwise from the center position '0' (no effect)

Switchable power supply: 90 - 240V

User Manual

switchable

Shure BLX4 Wireless Receiver for BLX Wireless System - H10 Band 100830454 As you turn the controlShure BLX4 Wireless Receiver for BLX Wireless System H10 Band Analog wireless receiver provides improved linearity and frequency response with group and channel scan for easy set up. Features include microprocessor internal antenna diversity, frequency QuickScan, and two color audio status indicator LED. Features: For Small Venues and Conference Rooms Single Channel, Portable Tabletop Design 123 Auto Scan Frequencies Internal Antenna Diversity