The Shure QLXD24/SM58 is a handheld wireless microphone system you can rely on. Perfect for mid-sized installations, QLX-D delivers outstanding wireless functionality with crystal-clear 24-bit digital audio. You can operate more channels in one location with QLX-D than any other wireless system in its class. It has networked channel scanning and a range of remote monitoring and control options, including control via iOS devices. The QLXD24/SM58 is composed of the SM58 handheld wireless microphone transmitter, QLXD4 digital wireless receiver, microphone clip, power supply, two AA batteries, battery contact cover, two 1/2 wave antennas, two BNC cables, two BNC bulkhead adapters, zipper bag, rackmount kit, and user guide. This version operates in the G50 frequency range (470 - 534 MHz).