SLX2/SM58 - Handheld Transmitter with SM58 Capsule - Shure USA
Amazon.com: Shure ULXD2/SM58 Wireless Handheld Microphone Transmitter with Interchangeable SM58 Cartridge, G50 Band : Musical Instruments
Amazon.com: Shure GLXD24+/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 Receiver : Everything Else