Shure GLXD2+/SM58 Handheld Transmitter with SM58 Vocal Mic Capsule - for use with GLX-D+ Dual Band Digital Wireless Microphone Systems, Receiver Sold Separately (GLXD2+/SM58=-Z3)

NOT BACKWARDS COMPATIBLE - GLX-D+ Dual Band transmitters and receivers are not compatible with previous GLX-D or GLX-D Advanced Wireless

NEW, IMPROVED PERFORMANCE - GLX-D+ Dual Band Digital Wireless offers new features previously unavailable in the first generation of GLX-D Wireless: operation in both 2.4 and 5.8GHz, improved battery life, and multiple receiver options.

EXCEPTIONAL, DIGITAL WIRELESS AUDIO - Always come through clear and captivate the audience with superior, transparent audio. GLX-D+ Dual Band intelligently avoids interference to give you total, reliable wireless freedom.

NEW DUAL BAND WIRELESS TECHNOLOGY - provides reliable and consistent signal by automatically scanning both 2.4 and 5.8GHz bands and selecting the cleanest channel. More than double the bandwidth ensures that dropouts won't stop the show.

EASY, WORRY-FREE SETUP & MANAGEMENT - Transmitters and receivers pair up automatically making setup as simple as possible. Smart frequency management continuously monitors the spectrum and moves to a clean channel in case any interference appears.