Shure GLXD14+ Dual Band Wireless Microphone Headset System w SM31FH Vocal Mic | eBay
Amazon.com: Shure BLX14/P31 UHF Wireless Microphone System - Perfect for Speakers, Performers, Presentations - 14-Hour Battery Life, 300 ft Range | Includes PGA31 Headset Mic, Single Channel Receiver | H9 Band : Musical Instruments
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Shure PGXD14/PGA31 Digital Wireless Cardioid PGXD14/PGA31-X8 B&H
Shure SLXD14/153T Wireless Headset Microphone System | zZounds