Shure PGX24/Beta58,Shure PGX24/BETA58 - L5 Band (644 - 662 MHz) | Sweetwater,BLX288/B58 - Wireless Dual Vocal System with two Beta 58A - Shure USA,Shure QLXD24/B58 QLX-D Series Single-Channel Digital Wireless Microphone System with Beta 58A Handheld,Shure PGXD24/BETA58 Digital Wireless Handheld Microphone System with Beta 58A Capsule,