Shure GLX-D16 Beta Digital Wireless Guitar Pedal System - YouTube
Shure GLXD16+ Digital Wireless Guitar Pedal System | zZounds
Amazon.com: Shure GLXD6+ Pro Digital Wireless Guitar Pedal Receiver, Dual Band (operates in 2.4GHz and 5.8Hz), 100 ft Range - for use with GLX-D+ Dual Band Wireless Systems (Transmitter Sold Separately) :
Shure GLXD16 Guitar Pedal Wireless System | Reverb