Features

24-Bit digital audio quality
Incredibly efficient RF spectrum usage
Quick syncing with a wireless receiver over IR at the push of a button
Clear, uninterrupted signal over the entire operating range
AES 256-bit encryption for secure transmission
Over 120 dB of dynamic range: no transmitter gain adjustment needed
1, 10 mW selectable RF output power
Optional Shure SB900 lithium ion rechargeable battery reports remaining runtime in hours and minutes
External charging contacts for docked charging
Backlit LCD with easy to navigate menu and controls
Selectable display mode showing group/channel, frequency, or battery runtime
Rugged metal construction
Frequency and power lockout

Applications
Live Vocals
Interview

Radio Frequency Range 20 Hz–20 kHz
Rechargeable components? Yes
Battery Requirements 2 AA alkaline batteries or SB900 Lithium-Ion Rechargeable Battery
Battery Life Shure SB900: Up to 10 hours, Alkaline: Up to 9 hours
Typical Operating Distance 100 m (330 ft) line of sight
Additional specifications are available in the user guide.

Works with QLX-D® Digital Wireless Systems
Offers up to 9 hours of continuous use with 2 AA alkaline batteries or up to 10 hours of continuous use with Shure lithium-ion rechargeable batteries
Includes QLXD2/BETA87C, 2 AA batteries, battery contact cover, microphone clip, and user guide