@Pescheli
Maybe another LG monitor makes more sense for you (if you want to display 2 or more sources at the same time).
Otherwise, as Brimstone has already written, with most monitors you can switch between sources simply by pressing a button.
- Quad PBP (picture next to picture)
http://www.lg.com/de...
LG 43UD79-B (43", 3840x2160)