GLXD4 single-channel wireless receiver features revolutionary LINKFREQ Automatic Frequency Management .
(2.4 GHz frequency band) and battery rechargeability. An integrated battery charge port can charge a spare Shure lithium-ion battery while the system is in use.
Allows operation of up to 4 compatible systems in a typical setting, and up to 8 maximum under ideal conditions
Remote adjustable transmitter gain control
Two-color charge indicator LED
GLXD2/BETA87A Handheld Wireless Microphone Transmitter works with GLX-D Digital Wireless Systems.
Offers up to 16 hours of continuous battery life with Shure lithium-ion rechargeable batteries
Integrated microphone capsule design
Automatic linking capability with GLX-D wireless receivers for seamless frequency changing