Shure GLXD14+ Dual Band Wireless Bodypack SystemThe GLX D+ Dual Band Wireless Bodypack System features the WA302 guitar cable and the GLXD4+ tabletop receiver. The perfect combination of the automatic frequency management with the new Dual Band Technology provides reliable and consistent performance, while Shure proprietary Lithium Ion rechargeable batteries provide up to 12 hours of use. Go wireless without complication.