Shure GLXD24/B58 Digital Wireless Microphone System at Gear4music
Amazon.com: Shure BLX288/B58 Wireless Microphone System for Two Vocalists with BLX88 Dual Channel Receiver and 2x BLX2 Handheld Transmitters with BETA 58A Mic Capsules Optimized for Lead Vocals - H9 Band :