Pre-Owned Gear & B-Stock. Shure GLXD14R+ Dual-Band Wireless Guitar Rack System – Z3: 2.4, 5.8 GHz. GLX-D+ Dual Band Digital Wireless is the perfect solution for musicians and presenters who want to go wireless with confidence, and without complexity. Every aspect of its operation is managed automatically and with total reliability, allowing you to focus […]