LG - 55" Class GX Series OLED 4K UHD Smart webOS TV
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Description

Find the perfect TV.
See the TV Buying GuideFeatures
OLED 4K Display - Gallery Design
No gap from screen to wall. The Gallery Design is wall mount ready with flush wall mount included. Table Top Stand sold separately.
α9 Gen 3 AI Processor 4K
Everything you see and hear is automatically made better, clearer, smoother and more dynamic with the α9 Gen 3 AI Processor 4K with AI Picture Pro, AI Sound Pro and AI 4K Upscaling.¹
Pixel Level Dimming
OLED pixels can brighten, dim or turn off completely and independently delivering perfect black and infinite contrast for a stunning picture.
LG ThinQ AI, the Google Assistant and Alexa Built-in
LG ThinQ is an open platform that fully integrates the voice assistants you already use. No need to buy a separate device.
Cinema HDR (Dolby Vision, HDR10, HLG)
Automatically elevate the beauty of your favorite scenes. Cinema HDR supports a wide range of formats for scene-by-scene picture adjustment, including Dolby Vision, HDR10 and HLG.
Dolby Vision IQ
Automatically adjusts picture settings depending on ambient lighting conditions and content genres.
Dolby Atmos
Puts you in the middle of the action with multi-dimensional surround sound that seems to flow all around you.
FilmMaker Mode
Translates a director’s cinematic vision to your TV with automatic picture and processor settings and brings true authenticity.
LG's webOS smart platform delivers streaming simplicity
Featuring the latest streaming apps such as Disney+ and the Apple TV app plus popular apps such as Netflix, Hulu, Sling, Prime Video and more
LG Channels provides more entertainment options than ever
LG Channels deliver free access to over 180 IP streaming channels offering movies, shows, breaking news, sports, comedy and more - integrated alongside over-the-air channels and channel guide.
Apple Airplay 2 and Apple HomeKit
Cast entertainment from Apple devices to your TV using Airplay 2, including Apple's vast library of Dolby Vision content. Also use your Apple devices to configure, customize and control your smart home using HomeKit.
Home Dashboard works with ThinQ, OCF and UEI devices
Control your smart devices with Home Dashboard. See everything in one spot through the Home Dashboard interface and control it all with your voice.
Magic Remote - just point, click, or speak
The mouse-like control and voice control make it easier to find your content without having to type what you want. Simply point on screen, scroll through your options, or speak to stream movies and shows through LG's webOS.
Hands-free voice control
Direct your TV and LG ThinQ electronics and appliances. It's more convenience and control through natural voice commands - manage TV settings, ask to play content, control your smart devices, even ask for recipes.
NVIDIA G-SYNC compatible with RTX 20 and GTX 16 graphics card series
This LG OLED TV works seamlessly with NVIDIA G-SYNC. Experience immersive gaming like never before.
Gallery Mode
Turns your TV into a beautiful backdrop. Enjoy a collection of stunning pictures and paintings with accompanying music to set the mood.
Connect up to two select speakers for true surround experience
Connect up to two LG Bluetooth speakers for a true surround sound experience - not a wire in sight.
WiSA ready
Works with WiSA-compatible speakers to take fidelity to a whole new level. It's high fidelity in 5.1 wireless audio with the best in wireless surround sound. Supports 5.1 Channel and 2.0 Channel. Transmitter dongle required and sold separately.
54.6” screen
Large enough to provide an immersive experience for everyone in the room.
4K Ultra HD (2160p resolution)
Enjoy breathtaking 4K movies and TV shows at 4 times the resolution of Full HD, and upscale your current content to Ultra HD-level picture quality.
Works with both Google Assistant and Amazon Alexa for voice control
Ask either voice assistant (device required) to help you play movies, TV shows and more. Plus, control other connected devices like lights and a thermostat for a better viewing experience.
Web-based services and content require high-speed Internet service. Some services may require a subscription.
Table top stand sold separately.
¹Image quality of upscaled content will vary based on the source of resolution.
What's Included
- Flush wall mount (table top stand sold separately)
- LG OLED55GXPUA
- Magic remote with batteries
- Quick Start Guide
Q: QuestionI understand that the Gallery design allows for a flush mount but can I also attach it to a tilt/swivel type wall mount? I may want to change the position/angle at times.
Asked by ARM.
- A:Answer Yes, you can attach this tv to any wall mount that accepts a standard VESA 300 x 300 specification. One of the main reasons for buying this TV, though, is the included no gap mount, which is designed to make the TV look like a picture on the wall. When using the included mount, there is absolutely no space between the TV and the wall; the TV itself is so thin that the distance between the wall and the front of the TV is only one inch! Incredible. If you use any other wall mount, there will be a gap and you will lose the impact of the TV's design. If that is what you plan to do, I recommend not paying the extra money for this TV. Go with the C series, which is only an inch thicker and the PQ is almost as good.
Answered by JoePacific
Q: Questionwhat is the difference between the cxpua and gxpua 55"
Asked by mjr.
- A:Answer Another big difference is that the GX supports ATSC 3.0, which means that the TV can handle over-the-air 4k broadcasts whenever TV stations in your market make that upgrade.
Answered by bpz1
Q: QuestionDoes this TV have HDMI 2.1? Does this TV offer Variable Refresh Rate as part of its gaming features?
Asked by Adrock.
- A:Answer Hello , Yes this TV has 4 Hdmi 2.1 ports that support 4k at 120hz and does have Variable Refresh Rate through Nvidia G sync or AMD freesync
Answered by Alex
Q: QuestionI recently purchased this tv. High definition programs (e.g., from Netflix) look incredibly sharp. However, the cable TV programs (lower def) show a lot of pixelation when there is movement. What should the TV settings be to minimize this?
Asked by JoePacific.
- A:Answer Hi Raym. The pixelation you are experiencing on the LG GX 55 inch Class with Gallery Design 4K Smart OLED TV w/AI ThinQ® (54.6'' Diag), Model # OLED55GXPUA could be from the signal from your cable company. I recently started experiencing the same issue with my cable feed, but it only occurs on some channels and more on commercials than on regular programming. In the settings menu on the TV, you can perform a Picture Test to verify that the image signal is being output normally, and determine if there is an error with the signal on the screen. If there are no problems in the test, check the connected external device or broadcast signal. On your remote control, press Settings (gear icon) > then on the TV click Advanced Settings (three vertical dots icon) > Support > Additional Settings > Picture Test. You can also contact your service provider and they can verify if they are experiencing any issues with their service in your area...^IFV
Answered by LGAnswers
Q: QuestionWhen the stand AN-GXDV55 is attached to this unit, what is the measurement of the distance between the legs? Alternatively, if no stand available what is the distance between the mounting holes at the lower left and lower right of the TV back??
Asked by playitleo42.
- A:Answer When the stand, Part # AN-GXDV55 for the LG GX 55 inch Class with Gallery Design 4K Smart OLED TV w/AI ThinQ® (54.6'' Diag), Model # OLED55GXPUA is attached, the stand legs will have a width of 46". The TV has a VESA Wall Mount Interface Pattern of 300 x 300 which means that the VESA Mount bolt holes in the back will be 300 mm apart vertically and 300 mm apart horizontally, so the distance between the lower left and lower right mounting holes is 300 millimeters...^IFV
Answered by LGAnswers
Q: Questioncan I use the "breakout cable" from the LG 55cx ?
Asked by bruce.
- A:Answer Yes, there is an AV Input that requires a breakout cable which is not an included accessory. ^Daphane
Answered by LGAnswers
Q: QuestionCan I upload my own images to use in Gallery mode?
Asked by Garden.
- A:Answer You can record your own photos on a flash drive and watch through the USB port of the TV. Photos cannot be added to Gallery Mode. ^Daphane
Answered by LGAnswers
Q: QuestionWill this tv work with DTS?
Asked by wayne.
- A:Answer Hi Wayne. Most current playback devices already have the ability to decode DTS audio so there's no need for the decoder to be included in the LG GX 55 inch Class with Gallery Design 4K Smart OLED TV w/AI ThinQ® (54.6'' Diag), Model # OLED55GXPUA. If you wish to to listen to DTS content from yourr BluRay disc player you can do so by setting the audio output of the player to PCM (pulse code modulation). The TV can both play that audio as well as pass it over eARC to a compatible eARC audio device. For consumers who wish to play DTS:X content, their source devices need to output the audio directly to an audio product with DTS:X support...^IFV
Answered by LGAnswers