The HUB 4000 Q reference HiQnet® ethernet interface allows you to connect up to eight AKG wireless devices to a HiQnet network. HUB 4000 Q connects to the network via a standard CAT-5 cable. For large wireless systems, several HUB 4000 Qs can be cascaded using commercial Ethernet switches (or routers, wireless hubs, etc.), allowing you to configure and monitor complex systems from a single application. HUB 4000 Q connects the wireless system to the applications Harman Audio Architect , AKG Wireless app and VM2. The HUB 4000 Q comes in a rugged half-rack metal housing and provides 10 LEDs with information on the data transfer status as well as 4 DIP switches to set up the IP address. The HUB 4000 Q allows you to integrate DMS 700, WMS 4000/4500 professional wireless microphones, and an IVM 4 professional in-ear monitoring system into any HiQnet ® system. NO power supply included. Power supply sold separately - AC12 PSU12V 500mA Lock EU/US/UK/AU.