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- 55 Inch LG UHD AI UA73 4k Smart TV 2025
- LG Soundbar for TV 2.1 channel S40T
Summary

- Breathtaking colour and detail with 4K HDR10 Pro
- 4K picture quality, upscaled visual and surround sound from the alpha 7 4K AI Processor Gen8
- New AI button, voice controls, drag and drop functions on the AI Magic Remote
- Enjoy 4K Super Upscaling enhanced resolution, brightness, and clarity
- High resolution on a massive Ultra Big TV screen
Key Specs
Display Type
4K UHD
Refresh Rate
60Hz Native
Picture Processor
α7 AI Processor 4K Gen8
HDR (High Dynamic Range)
HDR10 / HLG
TV Dimensions without Stand (WxHxD, mm)
1226 x 711 x 59.8
TV Weight without Stand (kg)
10.3
All specs
ACCESSIBILITY
Gray Scale
Yes
High Contrast
Yes
Invert Colors
Yes
ACCESSORIES INCLUDED
Remote
Magic Remote MR25
Power Cable
Yes (Attached)
AUDIO
AI Sound
α7 AI Sound Pro (Virtual 9.1.2 Up-mix)
AI Acoustic Tuning
Yes
Audio Codec
AC4, AC3(Dolby Digital), EAC3, HE-AAC, AAC, MP2, MP3, PCM, apt-X (Refer to manual)
Audio Output
20W
Bluetooth Surround Ready
Yes (2 Way Playback)
Clear Voice Pro
Yes (Auto Volume Leveling)
LG Sound Sync
Yes
Simultaneous Audio Output
Yes
Sound Mode Share
Yes
Speaker Direction
Down Firing
Speaker System
2.0 Channel
WOW Orchestra
Yes
BROADCASTING
Analog TV Reception
Yes
Digital TV Reception
DVB-T2/T (Terrestrial), DVB-C (Cable)
CONNECTIVITY
Bluetooth Support
Yes (v 5.1)
Ethernet Input
1ea
HDMI Audio Return Channel
eARC (HDMI 2)
HDMI Input
3ea (supports eARC, ALLM)
RF Input (Antenna/Cable)
2ea
Simplink (HDMI CEC)
Yes
SPDIF (Optical Digital Audio Out)
1ea
USB Input
2ea (v 2.0)
Wi-Fi
Yes (Wi-Fi 5)
DIMENSIONS AND WEIGHTS
Packaging Dimensions (WxHxD, mm)
1380 x 830 x 118
Packaging Weight (kg)
14.7
TV Dimensions without Stand (WxHxD, mm)
1226 x 711 x 59.8
TV Dimensions with Stand (WxHxD, mm)
1226 x 766 x 275
TV Stand (WxD, mm)
1105 x 275
TV Weight without Stand (kg)
10.3
TV Weight with Stand (kg)
10.5
VESA Mounting (WxH, mm)
200 x 300
GAMING
Game Optimizer
Yes (Game Dashboard)
ALLM (Auto Low Latency Mode)
Yes
HGIG Mode
Yes
VRR (Variable Refresh Rate)
Yes (Up to 60Hz)
PICTURE (DISPLAY)
Backlight Type
Direct
Display Resolution
4K Ultra HD (3,840 x 2,160)
Display Type
4K UHD
Refresh Rate
60Hz Native
PICTURE (PROCESSING)
AI Upscaling
4K Super Upscaling
Auto Calibration
Yes
Dynamic Tone Mapping
Yes
FILMMAKER MODE™
Yes
HDR (High Dynamic Range)
HDR10 / HLG
Picture Mode
10 modes
Picture Processor
α7 AI Processor 4K Gen8
POWER
Power Supply (Voltage, Hz)
AC 100~240V 50-60Hz
Standby Power Consumption
Under 0.5W
SMART TV
AI Chatbot
Yes
Full Web Browser
Yes
Google Cast
Yes
Google Home / Hub
Yes
Home Hub
Yes
Intelligent Voice Recognition
Yes
Magic Remote Control
Built-In
Operating System (OS)
webOS 25
Smartphone Remote App
Yes (LG ThinQ)
USB Camera Compatible
Yes
Voice ID
Yes
Works with Apple Airplay
Yes
Works with Apple Home
Yes
Summary

- Breathtaking colour and detail with 4K HDR10 Pro
- 4K picture quality, upscaled visual and surround sound from the alpha 7 4K AI Processor Gen8
- New AI button, voice controls, drag and drop functions on the AI Magic Remote
- Enjoy 4K Super Upscaling enhanced resolution, brightness, and clarity
- High resolution on a massive Ultra Big TV screen
Key Specs
Number of Channels
2.1
Output Power
300 W
Main
720 x 63 x 87 mm
Subwoofer
171 x 320 x 252 mm
All specs
ACCESSORY
Remote Control
Yes
Warranty Card
Yes
AUDIO FORMAT
AAC
Yes
Dolby Digital
Yes
DTS Digital Surround
Yes
CONNECTIVITY
Bluetooth Version
5.3
Bluetooth Codec - SBC/AAC
Yes
HDMI Out
1
Optical
1
USB
1
CONVENIENCE
Remote App - iOS/Android OS
Yes
TV Sound Mode Share
Yes
WOW Interface
Yes
DIMENSION (WXHXD)
Main
720 x 63 x 87 mm
Subwoofer
171 x 320 x 252 mm
GENERAL
Number of Channels
2.1
Number of Speakers
3 EA
Output Power
300 W
HDMI SUPPORTED
Audio Return Channel (ARC)
Yes
CEC (Simplink)
Yes
POWER
Power Consumption (Main)
22 W
Power Consumption (subwoofer)
35 W
Power Off Consumption (Main)
0.5 W ↓
Power Off Consumption (Subwoofer)
0.5 W ↓
SOUND EFFECT
AI Sound Pro
Yes
Cinema
Yes
Game
Yes
Standard
Yes
WEIGHT
Gross Weight
7.6 kg
Main
1.65 kg
Subwoofer
4.2 kg
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