4K Ultra HD Powered by TiVoSmart TV Voice Control: Easily find exactly what you want to watch TiVo+: 160+ Free channels, live and on demand HDMI 2.1 with eARC Dolby Vision: cinema-inspired HDR Dolby Atmos®: full 360° sound experience HARMAN/KARDON® Speaker System AV1 codec for the highest streaming picture quality Bluetooth Display Display diagonal (metric) 126 cm Contrast ratio (dynamic) 1000000:1 Motion interpolation technology Active Motion 400 Native refresh rate 60 Hz Screen shape Flat LED backlight Yes Display resolution 3840 x 2160 pixels HD type 4K Ultra HD Display diagonal 127 cm (50") TV tuner Digital signal format system DVB-C, DVB-S, DVB-S2, DVB-T, DVB-T2 Analog signal format system PAL, SECAM Tuner type Analog & digital Smart TV Video apps Amazon Prime Video, Disney+, Netflix, YouTube Hybrid Broadcast Broadband TV (HbbTV) version 2.0.3 Hybrid Broadcast Broadband TV (HbbTV) Yes Operating system version AI OS Internet TV Yes Smart TV Yes Audio Equalizer Yes Audio decoders