Unlock a complete 4K Ultra HD experience. With support for leading HDR formats, Dolby Vision, Dolby Atmos Audio, access to the latest 4K content and a lightning-fast processor, Fire TV Stick 4K lets you experience the beauty of 4K Ultra HD films and TV episodes. Finding 4K Ultra HD content has never been easier on Fire TV, just press and ask, "Alexa, find 4K films" or browse recommendations on your Home screen.