BLX2/SM58 - Handheld transmitter with SM58 capsule - Shure USA
Shure QLXD24/SM58 QLX-D Series Single-Channel Digital Wireless Mic System With SM58 Handheld | Full Compass Systems
Amazon.com: Shure BLX24/PG58 Wireless Microphone System with BLX4 Receiver and BLX2 Handheld Transmitter with PG58 Mic Capsule for Lead and Backup Vocal Applications : Musical Instruments