The Shure QLXD24UK/B58-K51 Handheld Wireless Microphone System gives you cutting-edge wireless sound. Harnessing technology from Shures most advanced systems for unparalleled signal stability. This is elevated wireless. Built to perform in the most challenging environments. Thanks to an ensemble of powerful features QLX-D does the hard work for you. Automatic Channel Scan quickly locates clear frequencies for your system at the press of a button. And dropouts are eradicated thanks to intelligent Predictive Switching. Even running multiple systems is effortless. Combined with the Beta 58 microphone transmitter the QLXD24UK/B58 delivers incredible sound in a sophisticated wireless system. For events that demand perfection.