Is the bluetooth spec the limit though, or maybe the implementation? I can leave my phone on the table downstairs and my headphones still work fine in the attic, which is through 2 floors of reinforced concrete. I was very surprised to be able to do this, but kitchen-living room should be possible. Unless your kitchen is in the west wing, and your living room is a mile down the hall in the east wing in which case I'm envious of your living arrangement and understand the need for more range in the spec. ;)