The Shure GLX-D14+ dual-band wireless headset system features the versatile SM31FH headset microphone for spoken word applications and the GLXD4+ tabletop receiver. The groundbreaking GLX-D+ dual-band wireless systems from Shure combine the leading edge of automatic frequency management technology with best-in-class intelligent lithium-ion battery rechargeability, world-renowned microphones, and new dual-band (2.4GHz and 5.8GHz) wireless frequency capability. Available in a wide offering of bodypack and handheld configurations—including vocal, headset and presenter systems as well as traditional guitar options.