20 Hz to 20 kHz frequency range with flat response (actual response is microphone dependent)
Interchangeable Shure microphone capsules, including the legendary SM58®
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
Up to 9 hours continuous use with 2 x AA alkaline batteries
Optional Shure lithium ion rechargeable battery provides up to 10 hours of continuous use and 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
100 meter (330 ft.) line-of-sight operating range
Rugged metal construction
Frequency and power lockout

QLXD2/SM87

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