The new GLX-D+ Dual Band Wireless Rack System features the premium MX153 Headworn Earset for high-quality vocal performance applications and the GLXD4R+ half-rack receiver. 

GLXD14R+/MX53

Digital Wireless Rack System with MX153 Headset Microphone
Mic Capsule:

The new GLX-D+ Dual Band Wireless Rack System features the premium MX153 Headworn Earset for high-quality vocal performance applications and the GLXD4R+ half-rack receiver.