Shure GLXD14

The Shure GLXD4 is an entry-level digital wireless receiver designed to provide you with a reliable and high-quality audio experience.  The GLXD4 receiver operates in the 2.4 GHz frequency band, which is less crowded than other frequency bands, resulting in fewer dropouts and interference. It features 16-bit audio processing and has built-in encryption which significantly helps with interference compared to analog. The GLXD4 receiver has a range of up to 200 feet (60 meters) and can support up to 8 compatible systems simultaneously.

A step above BLX based systems in terms of audio fidelity and encryption.

The transmitter (TM) is battery powered while the receiver (rec) is AC power. Battery life ranges from 6 to 8 hours depending on the frequency and batteries used.