LG B4 Smart Television, 77″ 4K UHD Display, OLED Display Type, 120Hz Native Refresh Rate, a8 AI Processor 4K Processor, Built-In 20W Audio Output, Black | OLED77B46LA Open box

OLED B4 4K Smart TV
A masterpiece perfected by time-honed expertise
Years of commitment to innovation can’t be imitated overnight. The world-leading OLED’s uniquely tailored alpha chipset elevates the viewing experience to new heights.
Specifications
PICTURE (DISPLAY)
Display Type
4K OLED
Display Resolution
4K Ultra HD (3,840 x 2,160)
Refresh Rate
120Hz Native
Wide Color Gamut
OLED Color
PICTURE (PROCESSING)
Picture Processor
α8 AI Processor 4K
AI Upscaling
α8 AI Super Upscaling 4K
AI Genre Selection
Yes (SDR/HDR)
AI Brightness Control
Yes
HDR (High Dynamic Range)
Dolby Vision / HDR10 / HLG
FILMMAKER MODE™
Yes
HFR (High Frame Rate)
4K 120 fps (HDMI)
Dynamic Tone Mapping
Yes (Dynamic Tone Mapping Pro)
Dimming Technology
Pixel Dimming
Motion
OLED Motion
Picture Mode
10 modes
GAMING
G-Sync Compatible (Nvidia)
Yes
FreeSync Compatible (AMD)
Yes
HGIG Mode
Yes
Game Optimizer
Yes (Game Dashboard)
ALLM (Auto Low Latency Mode)
Yes
VRR (Variable Refresh Rate)
Yes
SMART TV
Operating System (OS)
webOS 24
ThinQ
Yes
Intelligent Voice Recognition
Yes
Magic Remote Control
Built-In
Smartphone Remote App
Yes (LG ThinQ)
Full Web Browser
Yes
Multi View
Yes
Room to Room Share
Yes (Receiver)
Family Settings
Yes
Always Ready
Yes
USB Camera Compatible
Yes
AUDIO
Audio Output
20W
Speaker System
2.0 channel
Speaker Direction
Down Firing
Dolby Atmos
Yes
AI Sound
α8 AI Sound Pro (Virtual 9.1.2 Up-mix)
Clear Voice Pro
Yes (Auto Volume Leveling)
AI Acoustic Tuning
Yes
WiSA Ready
Yes (Up to 2.1 Channel)
LG Sound Sync
Yes
Sound Mode Share
Yes
Simultaneous Audio Output
Yes
Bluetooth Surround Ready
Yes (2 Way Playback)
Audio Codec
Various (Refer to manual)
CONNECTIVITY
HDMI Input
4 (supports 4K 120Hz, eARC, VRR, ALLM, QMS)
Simplink (HDMI CEC)
Yes
HDMI Audio Return Channel
eARC (HDMI 3)
USB Input
2 (v 2.0)
Wi-Fi
Yes (Wi-Fi 5)
Bluetooth Support
Yes (v 5.1)
Ethernet Input
1
RF Input (Antenna/Cable)
2
SPDIF (Optical Digital Audio Out)
1
ACCESSIBILITY
High Contrast
Yes
Gray Scale
Yes
Invert Colors
Yes
DIMENSIONS AND WEIGHTS
TV Dimensions without Stand (WxHxD)
1719 x 989 x 50.9 mm
TV Dimensions with Stand (WxHxD)
1719 x 1057 x 319 mm
Packaging Dimensions (WxHxD)
1839 x 1130 x 200 mm
TV Stand (WxD)
1403 x 319 mm
TV Weight without Stand
22.9 kg
TV Weight with Stand
23.5 kg
Packaging Weight (Overseas)
33.5 kg
VESA Mounting (WxH)
300 x 200 mm
POWER
Power Supply (Voltage, Hz)
AC 100~240V 50-60Hz
Standby Power Consumption
Under 0.5W
ACCESSORIES INCLUDED
Remote
Magic Remote MR24
Remote Control Batteries
Yes (AA x 2)
Power Cable
Yes (Attached)