Tech Spec Display Inch : 55” Resolution : 3,840 x 2,160 (4K UHD) Type : 4K UHD Backlight Type : Direct Refresh Rate : 60 Hz Native Processing Main Processor (SoC) : α5 AI Processor 4K Gen6 Number of CPUs : Quad AI Upscaling : 4K Upscaling Dynamic Tone Mapping : Yes AI Brightness Control : Yes HDR (High Dynamic Range) : HDR10 / HLG FILMMAKER MODE : Yes HEVC : 4K @ 60p, 10 bit VP9 / AV1 (Video Decoder) : 4K @ 60p, 10 bit Picture Mode : 9 Modes (Vivid, Standard, Eco, Cinema, Sports, Game, Filmmaker, (ISF) Expert (Bright Room), (ISF) Expert (Dark Room) Audio Audio Output (Woofer / per Channel) : 20 W (10 W per Channel) Speaker System : 2.0 Channel Speaker Direction : Down Firing AI Sound : Virtual 5.1 Up-mix Clear Voice Pro : Yes AI Acoustic Tuning : Yes LG Sound Sync : Yes Sound Mode Share : Yes Simultaneous Audio Output : Yes Bluetooth Surround Ready : Yes (2 Way Playback) Audio Codec : AC4, AC3 (Dolby Digital), EAC3, HE-AAC, AAC, MP2, MP3, PCM, WMA, apt-X (Refer to Manual)