Netflix Dolby Atmos playback is currently only supported via the Apple TV 4K (with tvOS 12 or later), LG OLED TVs (2017 or newer), Sony BRAVIA Android TVs (2018 models), the Pixela 4K Smart Tuner, the Windows 10 app (requires Windows 10 RS3 Build 16299 or later), or Xbox One, Xbox One S, and Xbox One X game consoles. - from Hifidigest