Amazon.com: Shure GLXD24+/B58 Dual Band Pro Digital Wireless Microphone System for Church, Karaoke, Vocals - 12-Hour Battery Life, 100 ft Range | BETA 58A Handheld Vocal Mic, Single Channel Receiver : Everything Else
Shure QLXD24/B58 QLX-D Series Single-Channel Digital Wireless Microphone System with Beta 58A Handheld - GoKnight
Shure GLXD24 beta 58a wireless microphone for vocals - YouTube
Shure QLXD24/B58-X52 QLX-D Series Single-Channel Digital Wireless Microphone System with Beta 58A Handheld X52 (902 MHz 928 MHz) - Pro AV Warehouse