Mitch Gallagher presents the Shure GLX-D digital wireless series. GLX-D systems feature Shure's sophisticated LINKFREQ automatic frequency management, and bidirectional communication that lets your transmitter automatically link to your receiver and follow any frequency changes.
Buy the Shure GLX-D wireless system with handheld mic here: https://www.sweetwater.com/store/detail/GLXD24B58