This is a 4 x 4 HDMI Video matrix. Its been opened to view The best situation to place this piece would be in a Room with 4 TVs, like a Sports Room or Bar. It will allow you to connect 4 Sources to 4 TVs and you can play all 4 sources on each TV separately or all Watching the same source. If you need help installing this? I do installations of product like this and many others for a living. Labour rate is $80 per hour. brought to you by: EMA Used Goods