Amazon.com: Shure WH20 Dynamic Headset Microphone - Rugged, Lightweight, Secure Fit for Active Mic Users, Perfect for Instructors/Musicians, TQG Connector for Shure Wireless Bodypack Transmitters (WH20TQG) : Musical Instruments
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Shure WH20 Dynamic Headset Microphone - Rugged, Lightweight, Secure Fit for Active Mic Users, Perfect for Instructors/Musicians, Right-Angle 1/4" (6.3mm) Connector for Unbalanced Mic Input (WH20QTR) : Musical Instruments - Amazon.com