Shure QLXD2TA/B58H50

Featuring transparent 24-bit digital audio quality and incredibly efficient
RF spectrum usage, the QLXD2 handheld transmitter is ideal for wireless
vocals in presentation spaces, music venues, and houses of worship. Easy to
use, the QLXD2 quickly syncs with a wireless receiver over IR at the push
of a button and maintains clear, uninterrupted signal over its entire 100 m
(330 ft.) range. All metal construction ensures durability, and a wide
selection of compatible microphone choices offer legendary Shure sound
signatures.

* 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