Shure GLX-D4 Wireless Receiver w/ SM58 - Evolution Music
GLXD14/B98 | Instrument System with GLXD4 Wireless Receiver, GLXD1 Bodypack Transmitter, WB98H/C Microphone (SB902 Battery included) | Shure Europe GmbH | AV-iQ Europe
Amazon.com: Shure GLXD24R+/SM58 Dual Band Pro Digital Wireless Microphone System for Church, Karaoke, Vocals - 12-Hour Battery Life, 100 ft Range | SM58 Handheld Vocal Mic, Single Channel Rack Mount Receiver :