Xvive Breakout Box for 5 PX-A ConnectionsIf you want to use the PX system with up to five people simultaneously, and youre able to work with the same three signals from the soundboard or other audio source s, you can upgrade your system with a PX H 5 channel hub, and up to four additional PX A mixer preamps and EC25 Cat 5 cables. All connected PX units are powered by one 9V 2A power supply connected to a PX B that feeds audio and power to the hub! System includes: One Cat 5 input Five Cat 5