The Shure Model WH30 is a Light Yet Rugged Headset Microphone.
Shure WH30 Condenser Headset Microphone | zZounds
Shure RPM600 Black Elastic Headband and Wire Frame for WH20 and WH30 H
Shure WH30XLR Condenser Headset Microphone
Shure WH30 Headset Microphone WH30XLR | Reverb
Shure WH30TQG Cardioid Condenser Headset Microphones with Mini TA4F Connector (Discontinued Clearance) - Canada's Favourite Music Store - Acclaim Sound and Lighting
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Shure Headset Microphone WH30 New Free Shipping | eBay