G Scott wants to know if he can stream 4K with Dolby without any special devices. Leo says if you have a 4K streaming box, you can plug them into your AV receiver, and if it has audio return, it should do Dolby. But Leo says he bought an all-new AV system for it. But remember that live broadcast TV won't be shot in 4K; it'll be upscaled to it. Then you'll need a 4K capable smart box.