Shure SLXD2D/B58-G58 (G58 frequency band, 470-514 MHz) Digital wireless microphone system with two wireless SM58 microphones at Crutchfield
Wireless Microphone Systems
Shure BLX288/SM58 Dual Wireless Handheld Mic System - H10 - Vintage King
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Shure BLXR Wireless Microphone System
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