Shure Shure GLXD4 Digital Wireless Receiver For GLXD Wireless Systems

Exceptional Digital Audio Clarity; Operates In 2.4 GHz Spectrum, Available Worldwide; Rechargeable Batteries Up To 16 Hours Of Runtime; Adjustable Transmitter Gain To Optimize Audio Signal; RF Back-Channel; Globally-Unlicensed 2.4 GHz Frequency Band; Automatic Transmitter Power-Off; Black Finish