Plug & Play Products Offer Easy Integration Yamaha offers plug-and-play products such as the FLX™ wireless conference phone and the HD™ Single/Dual wireless microphone system. Each of these systems can easily integrate with a variety of third-party hardware to provide superior audio for any application. However, to ensure clear, crisp audio, it’s critical to utilize the correct cable. Please refer to the Yamaha Cable Guide to find the proper cable for your application. Executive Elite™ Crossover Adapter De-risk your install by combining wired power with wireless audio transmission for any tabletop microphone. The adapter comes with options for permanent placement of the microphone, or moveable microphones.