Shure ULXD Wls HH KSM8 TXM, Nck, G50

30 Hz–20 kHz range with flat frequency response (actual response is microphone dependent)
Interchangeable Shure microphone cartridges, including the legendary SM58®
AES 256-bit encryption for applications for which secure transmission isneeded
Proprietary Shure Gain Ranging optimizes the system's dynamic range for any input source, eliminating the need for transmitter gain adjustments
Optional Shure SB900 lithium-ion rechargeable battery pack provides over12 hours of battery life, precision metering in hours and minutes, and zero memory effect
External charging contacts for docked charging (with the SBC200 Dual Docking Charger)
Transmitter Mute Mode repurposes the On/Off switch into a mute switch, enabling audio muting while preserving RF channel presence
Backlit LCD with easy to navigate menu and controls
Rugged metal construction
Frequency and power lockout