In Wall HDMI Cables
In Wall and Extended Run HDMI Cables
Built specifically for Extended Audio/Video Runs. Supplied in lengths up to 100 feet!
If you're looking for that clean, professional installation then you need to run your HDMI cables inside the wall, to do this they must be of an extended length and of course there are special requirements that permit these cables to be used in such a way, in other words they must be rated for in wall use.