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LG UHD TV 43 Inch UN73 Series 4K Active HDR WebOS Smart TV w/ ThinQ AI
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LG UHD TV 43 Inch UN73 Series 4K Active HDR WebOS Smart TV w/ ThinQ AI
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The Real 4K TV for all your entertainment needs

LG UHD TV was made to entertain by taking everything you watch to a new level. Whether it's cinema, sports, or games, it delivers real 4K images with vivid color and fine detail. Enjoy more realistic images in four times the resolution of Full HD.
A panoramic view of the soccer stadium filled with spectators shown inside a TV frame. A panoramic view of the soccer stadium filled with spectators shown inside a TV frame.
*The actual product may differ from image shown.
Quad Core Processor 4K

Enhance everything you watch

The processor removes video noise and creates more vibrant color and contrast. Low resolution images are upscaled and reproduced at close to 4K quality.
Noise reduction, dynamic color, and upscaling icons and a TV screen showing a scenic shot of mountains, forest, and a lake. Noise reduction, dynamic color, and upscaling icons and a TV screen showing a scenic shot of mountains, forest, and a lake.
ThinQ AI

Your central hub of convenience

Intelligent LG ThinQ AI makes life all the more convenient. *Natural voice recognition allows you to command and control your Home IoT ecosystem
LEARN MORE
A men and women sitting on a sofa in the living room with the Home Dashboard on the TV screen. A men and women sitting on a sofa in the living room with the Home Dashboard on the TV screen.
*Natural voice recognition is available in English, Korean, German, French, Italian, Spanish, Portuguese, Russian, Polish, Turkish, Japanese, Arabic, Vietnamese, Thai, Swedish, Indonesian, Danish, Dutch, Taiwanese, and Norwegian.
*Dutch and Norwegian will be available in the second half of 2020.
*Supported service may differ by country.
*The actual product may differ from image shown.
*The feature name on the settings may vary among TV OS versions.
True Cinema Experience

Bring theater home

A TV screen showing a scene from a fantasy movie with a woman standing in the fields facing the mountains. A TV screen showing a scene from a fantasy movie with a woman standing in the fields facing the mountains.
A scene of a fantasy movie on a TV screen and filmmaker mode logo A scene of a fantasy movie on a TV screen and filmmaker mode logo
FILMMAKER MODE™

Watch content as the creator intended

The processor automatically turns off motion smoothing for the full motion picture effect. Watch films and other content with the creative intent and cinematic experience preserved.
*FILMMAKER MODE™ logo is a trademark of UHD Aliance, Inc.
*The actual product may differ from image shown.
Split rear view of couple driving. Left shows conventional picture quality. Right shows LG UHD TV picture quality. Split rear view of couple driving. Left shows conventional picture quality. Right shows LG UHD TV picture quality.
HDR 10 Pro & HLG Pro

Enjoy content in lifelike high definition

LG UHD TVs provide optimal HDR picture quality with the support of major HDR formats including HDR 10 Pro and HLG Pro.
*Screen images simulated.
Family of seven gathered in the living room, watching a movie. TV screen shows a band performing. Family of seven gathered in the living room, watching a movie. TV screen shows a band performing.
Ultra Surround

Dive into the art of sound

Multiple virtual audio channels create a more immersive sound experience. Enjoy subtle dialogue and sophisticated sound as if you were in the scene itself.
*Screen images simulated.
*The actual product may differ from image shown.
Two logos: The Apple TV app and Netflix Two logos: The Apple TV app and Netflix
Unlimited Entertainment

Housing all your entertainment

Dive into the wide variety of content available on the Apple TV app and Netflix. From the latest movies, TV shows, and documentaries, to live sports and more, find them all here in one place. Just sit back and enjoy.
*Apple, the Apple logo, and Apple TV are trademarks of Apple Inc., registered in the U.S. and other countries. Apple TV+ is a trademark of Apple Inc.
Realistic Gaming Experience

Win the game with LG UHD TV

TV showing a scene from a shooting game where the player is overpowered by aliens with guns. TV showing a scene from a shooting game where the player is overpowered by aliens with guns.
Close up view of player holding a racing wheel playing a racing game on a TV screen. Close up view of player holding a racing wheel playing a racing game on a TV screen.
Low Input Lag

Take complete control without delays

LG UHD TVs allow users to take full and instant control of games without any delays.
Thrilling Sports Experience

Feel the stadium atmosphere

TV screen showing a stadium with a view of the running track up close. Stadium is filled with spectators. TV screen showing a stadium with a view of the running track up close. Stadium is filled with spectators.
A picture of players playing on a football field shown at views. One shown on a conventional screen and one on an UHD TV. A picture of players playing on a football field shown at views. One shown on a conventional screen and one on an UHD TV.
Wide Viewing Angle

Lifelike color from any angle

Watch your favorite teams play on a display with spectacularly realistic colors, no matter where you sit.
*Screen images simulated.
People watching sports game on TV in the living room with Bluetooth rear speakers. People watching sports game on TV in the living room with Bluetooth rear speakers.
Bluetooth Surround Ready

Big sound for the big game

Create a surround sound effect by connecting any two Bluetooth speakers to your LG UHD TV. Be more immersed in the game and feel the live atmosphere.
*Connection Available : LG PK7/7W/5/5W, PL7/5, PN7/5, RM2, RN9/7/5, ON9/7/5
*The actual product may differ from image shown.
TV showing a animated cartoon character and Sports alert at the bottom of the screen. TV showing a animated cartoon character and Sports alert at the bottom of the screen.
Sports Alert

Never miss a shot

Sports Alert notifies you before, during, and after games. Don't worry about missing the big plays, even when you're watching something else.
*Supported service may differ by country.

Live smarter with the new webOS

Enjoy more content through streaming services including Netflix, YouTube, Disney+ and more. And the newly added voice control feature allows you to control your home appliances with your voice.
TV standing on a white stand against a white wall. TV screen shows home screen with webOS. TV standing on a white stand against a white wall. TV screen shows home screen with webOS.
*Launcher Bar may differ by region.
*The actual product may differ from image shown.

Designed for your space and entertainment

The slim bezels and sleek modern lines of LG UHD TVs add a premium design aesthetic to your space and enhance your viewing experience.
LG UHD TV, located on the wall in a living room with the minimal interior. Image of a flower is shown on the TV screen. LG UHD TV, located on the wall in a living room with the minimal interior. Image of a flower is shown on the TV screen.
*The actual product may differ from image shown.
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DISPLAY
  • Display Type
    4K UHD
    Screen Size
    43"
  • Resolution
    3840*2160
    BLU Type
    Direct
  • TruMotion / Refresh Rate
    TM100 (Refresh Rate 50Hz)
VIDEO(PICTURE QUALITY)
  • Processor
    Quad Core Processor 4K
    Image Enhancing
    Image Enhancing
  • HDR
    Active HDR
    HDR10 Pro
    Yes/Yes/Yes/Yes (4K/2K)
  • HLG
    Yes/Yes/Yes/Yes (4K/2K)
    FILMMAKER MODE™
    Yes
  • HDR Effect
    Yes (4K/2K)
    Dynamic Tone Mapping / Pro
    HDR Dynamic Tone Mapping
  • Dimming Algorithm
    LG Local Contrast
    Upscaler
    4K Upscaler
  • HEVC (Video Decoder)
    4K@60P, 10bit
    VP9 (Video Decoder)
    4K@60P, 10bit
  • HGIG Mode
    MR
    Instant Game Response (VRR/ALLM)
    No/Yes
  • Picture Mode
    Yes 10 modes
    (Vivid, Standard, Eco, Cinema, Sports, Game, HDR Effect, Filmmaker, (ISF)Expert(Bright Room), (ISF)Expert(Dark Room))
AUDIO
  • Speaker (Sound output)
    20W
    (10W per Channel)
    Channel
    2.0 ch
  • Direction
    Down Firing
    Simultaneous Audio Output
    Yes (Optical Output or HP Support Model)
  • AI Sound / Pro
    AI Sound
    Surround mode
    Ultra Surround
  • Clear Voice
    Clear Voice III
    Bluetooth Surround Ready
    Yes
  • LG Sound Sync
    Yes
    Auto Notification (Bluetooth easy paring)
    Yes
  • Sound Share
    Yes
    Audio Codec
    AC4, AC3(Dolby Digital), EAC3, HE-AAC, AAC, MP2, MP3, PCM, WMA, apt-X
AI FUNCTION
  • ThinQ
    Yes
    Intelligent Voice Recognition
    Yes
  • Speech to Text
    Yes
    LG Voice Search
    Yes
  • AI UX
    Yes
    AI Home
    Yes
  • AI Recommendation/AI
    Yes
    Intelligent Edit
    Yes
  • Home Dashboard
    Yes
    Auto Device Detection
    Yes
  • Mobile Connectivity
    Yes
    LG TV Plus App
    Yes
  • ThinQ App
    Yes
SMART FUNCTION
  • Operating System (OS)
    webOS Smart TV
    Number of CPUs
    Quad
  • Magic Remote Control
    Built-In
    Quick Access
    Yes
  • Universal Control
    Yes
    360° VR Play
    Yes
  • Related Content Search
    Yes
    LG Store
    Yes
  • DIAL
    Yes
    Web Browser
    Yes
  • Music Player
    Yes
    TV On With Mobile
    Yes
  • Wi-Fi TV On
    Yes
    Bluetooth Low Energy On
    Yes
  • Network File Browser
    Yes
    Block access to harmful site
    Yes
  • Hotel Mode
    Yes
    Sports Alert
    Yes
  • Music Discovery
    Yes
BROADCASTING SYSTEM
  • Digital TV Reception(Terrestrial,Cable,Satellite)
    Yes
    Terrestrial
    DVB-T2
  • Cable
    DVB-C
    Satellite
    DVB-S2
  • Analog TV Reception
    Yes
    Teletext Page
    Yes
  • Teletext (Top/Flof/List)
    Yes
    [DVB] Subtitle
    Yes
  • AD (Audio Description)
    Yes
    EPG (8days)
    Yes
CONNECTIVITY
  • Screen Share
    Yes
    HDMI → HDMI Input
    1 (Rear) / 2 (Side)
  • Simplink (HDMI CEC)
    Yes
    eARC / ARC (Audio Return Channel)
    eARC (HDMI 2)
  • USB
    1 (Rear)/1 (Side)
    LAN
    Yes (Rear)
  • Component
    Yes (Rear, Component in/AV in common)
    Composite In (AV)
    Yes (Rear, Component in/AV in common)
  • RF In
    2 (Rear, RF/Sat)
    Spdif (Optical Digital Audio Out)
    Yes (Rear)
  • Wifi
    Yes (802.11ac)
    Bluetooth
    Yes (V5.0)
POWER & GREEN
  • Power Supply
    AC (100-240V) (50-60Hz)
    Standby Power Consumption
    Under 0.5W
  • Energy saving Mode
    Yes
    Illuminance Green sensor
    Yes
  • Energy Standard
    Yes
ACCESSORY
  • Remote
    MR20
    Batteries
    Yes (AA x 2EA)
  • Power Cable
    Yes (TV Attached)
ADDITIONAL FEATURE
  • Time Machine (DVR)
    Yes
    Digital Recording
    Yes
  • Analog DVR
    Yes
    Time Shift
    Yes
DIMENSIONS SET
  • Set Weight (with stand) Kg
    8.1
    Set Weight (without stand) Kg
    8.0
  • Set Weight (shipping) Kg
    10.2
    Set WxHxD (with stand) mm
    973 x 623 x 216
  • Set WxHxD (without stand) mm
    973 x 572 x 85.0
    Set WxHxD (shipping) mm
    1060 x 660 x 152
What people are saying
4.7 / 5
Overall Ratings
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Most helpful reviews

Cassie
28/02/2022
I recommend this product
Absolutely LOVE IT!!
Bought myself a 49” 2 years ago, the tv has great features! User friendly… exceptional picture quality… nothing I can fault this tv on.
Changed rooms and decided to go a bit smaller 43”…. You don’t even notice the size difference… just as beautiful as my first purchase! LG has once again outdone themselves ♥️
I recommend this product
Reviews
Cassie
28/02/2022
I recommend this product
Absolutely LOVE IT!!
Bought myself a 49” 2 years ago, the tv has great features! User friendly… exceptional picture quality… nothing I can fault this tv on.
Changed rooms and decided to go a bit smaller 43”…. You don’t even notice the size difference… just as beautiful as my first purchase! LG has once again outdone themselves ♥️
I recommend this product
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Grandma72
18/04/2021
I recommend this product
I love all the viewing options!
I’ve purchased two of these televisions. The first one replaced a very old tv that wasn’t working properly and I liked it so much I bought another one about a month ago to replace another older one that was working but I wanted all the cool features on the new one. I’m 72 years old, I would say I’m minimally tech savvy, but a smart tv? I wasn’t sure I could set it up so I asked my grandson to set up the first one. I was so excited with all the features, so easy to go back and forth between satellite tv, Netflix, Prime and so many more! With the second set another grandson connected it and I was immediately able to navigate it myself!! The picture is incredibly amazing! Im very happy with my two purchases!
I recommend this product
Edit Delete

Originally posted on LG.com/US

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vanAnantwerp
18/04/2021
I recommend this product
Easy to use
purchase three month ago working great I wish it could get HBO-MAX . Put it has air play so with my phone I can watch it.
I recommend this product
Edit Delete

Originally posted on LG.com/US

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Taylor21
17/04/2021
I recommend this product
Great features.
This TV is awesome. It’s amazing how smart TV’s are getting. The Apple Airplay is great and just what I was looking for. Very easy set up as well. Thank you!
I recommend this product
Edit Delete

Originally posted on LG.com/US

Post Comment
PM683
17/04/2021
I recommend this product
Great picture quality but...
The video clarity is terrific and offers multiple picture quality options. The only drawback is that there is a slight bit of latency when a sound bar is connected. It seems some type of compensation would have been made to allow for utilizing exterior sound equipment since so many are using other sound options
I recommend this product
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Originally posted on LG.com/US

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Faustina
16/04/2021
I recommend this product
Great prices. Great TV
Love this TV, putting out beautiful pictures/colors, easy hook up. 43” is a bit big for the kitchen , but I loved it. Great prices from Costco.
I recommend this product
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Originally posted on LG.com/US

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Bon Val
16/04/2021
I recommend this product
Love my TV!
I've had this TV for a couple weeks now and I'm loving it! It took me a day or so to figure out the nuances, but once I did it became. The remote control features are amazing! It has a mouse which makes typing in search bars much easier. The color and sound are great too. I highly recommend this TV!
I recommend this product
Edit Delete

Originally posted on LG.com/US

Post Comment
Cin72
14/04/2021
I recommend this product
Love the picture & all the features!
I have had this now for a month, & am very pleased with the picture!
I recommend this product
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Originally posted on LG.com/US

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Doug01
14/04/2021
I recommend this product
Great product. Easy features to use
A great product. Easy features to customize for my viewing pleasure. Would definitely recommend this product.
I recommend this product
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Originally posted on LG.com/US

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808man
13/04/2021
I recommend this product
Picture quality
Great value and picture quality is great. Nice size
I recommend this product
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Originally posted on LG.com/US

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*Prices, promotions and availability may vary by store and online. Prices subject to change without notice. Quantities are limited. Check with your local retailers for final price and availability.
Watch your favourite television shows, movies and live sport in new levels of detail and depth with LG 4K TVs including OLED, NanoCell and Ultra HD. Expand your horizons with hour upon hour of online content streamed directly to your TV. Take control via voice, with AI ThinQ technology. Explore NanoCell TVs, OLED TVs, and Ultra HD TVs today.