What is the fine-grained topic of the following text: For boardrooms and large conference rooms utilising UC applications, the Yamaha YAI-1 Wireless Microphone Conference Ensemble, a professional bundle, includes an eight-channel Executive Elite wireless microphone package; two VXL1-16P PoE, Dante-enabled speaker arrays with wall volume controller; a preconfigured digital signal processor; a five-port PoE switch; Dante AVIO USB adapter; and cabling. Only return the topic.
Yamaha YAI-1 Wireless Microphone Conference Ensemble for boardrooms and large conference rooms