The Shure GLXD14R+/85-Z3 is a professional-grade digital wireless lavalier system designed for presenters, broadcasters, and performers who demand reliable, high-quality audio in a rackmount format. It features the GLXD4R+ half-rack receiver and the GLXD1+ bodypack transmitter, paired with the WL185 cardioid lavalier microphone, which offers excellent speech intelligibility and noise rejection. Utilizing Shure's Dual Band technology, the system operates in both 2.4 GHz and 5.8 GHz frequency bands, automatically scanning and switching to the clearest available channel to avoid interference. The included SB904 lithium-ion rechargeable battery provides up to 12 hours of continuous use and can be conveniently recharged via the receiver's front panel or USB-C port. With a dynamic range of 120 dBA and a maximum SPL of 130.5 dB, the system ensures clear and distortion-free audio. The GLXD14R+/85-Z3 supports up to 8 simultaneous systems per band and offers an operating range of up to 100 feet (30.5 meters) line-of-sight, making it suitable for various professional applications.