Shure GLXD14+/SM31-Z4, Digital Wireless System/SM31 Headset. READ DESCRIPTION.

Shure - GLXD14+/SM31-Z4, Digital Wireless Headset System with SM31 Headset Microphone. GLXD14+UK/SM31-Z4. Model.GLXD14+UK/SM31-Z4. The new GLX-D+ Dual Band Wireless Headset System features the versatile SM31FH Headset Microphone for spoken word applications and the GLXD4+ tabletop receiver.

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