Hi, after reading these forums for the past few hours I've realised I know very little about home AV distribution!! I'm currently re-wiring my home and want to distribute HD video and possibly other devices to 4 rooms. I've stumbled across forum posts where people mention the 4 X 4 matrix and I'm just hoping someone can clear up what it actually does. I understand that it's a means of distributing a source, be it Sky, an HTPC, Xbox, etc, to other rooms in the house but I'm unclear how it's set up. Am I right in thinking that each source device connects to the matrix vis Cat 6 cable?? The source is then distributed over Cat 6 cable to each output device?? If I were to connect my router directly to the matrix does this then mean that I can distribute internet to the same devices, i.e smart TV?? One final question sorry, does the 4 X 4 part mean that it's capable of distributing 4 source devices to 4 output devices?? If anybody could point me toward a diagram that shows a setup I'd be grateful, I like diagrams!! Thanks in advance to anybody that answers!!