LG 55-Inch OLED evo AI 4K C6 Smart TV, α11 AI Processor 4K Gen3, Dolby Vision & Atmos, 165Hz VRR, webOS 26 | OLED55C66LA.AMRG

Experience premium picture quality with the LG 55-Inch OLED evo AI C6 4K Smart TV. Featuring more than 8.3 million self-lit pixels, Perfect Black, Perfect Color and infinite contrast, the OLED evo display delivers exceptional depth and detail. The α11 AI Processor 4K Gen3 intelligently optimizes picture and sound, while Dolby Vision, Dolby Atmos and FILMMAKER MODE bring a cinematic experience home.

OLED evo Picture Quality
With individually controlled self-lit pixels, the LG OLED C6 can produce deep blacks and precise contrast. Perfect Black and Perfect Color work together to create detailed, vibrant images across movies, sports and streaming content.

AI-Powered 4K Processing
The α11 AI Processor 4K Gen3 uses AI Picture, AI Brightness Control and AI Super Upscaling 4K to analyze and optimize compatible content for an enhanced viewing experience.

Cinema at Home
Enjoy Dolby Vision, Dolby Atmos, HDR10, HLG and FILMMAKER MODE with Ambient Light Technology for a more immersive movie-watching experience.

Built for High-Performance Gaming
With a native 120Hz refresh rate, VRR up to 165Hz, 0.1ms response time, NVIDIA G-SYNC and AMD FreeSync Premium, the C6 is designed for smooth, responsive gaming.

Smart Entertainment with webOS 26
Access your favorite entertainment through webOS 26, with support for Google Gemini, Microsoft Copilot, Chromecast, AirPlay and intelligent voice recognition.

The LG OLED55C66LA.AMRG combines OLED evo display technology with advanced AI processing to create a premium 55-inch 4K entertainment experience. Its more than 8.3 million self-lit pixels provide Perfect Black, Perfect Color and infinite contrast, while Brightness Booster enhances brightness and visible detail.
At the heart of the TV is the α11 AI Processor 4K Gen3, which uses AI Picture, AI Brightness Control and AI Super Upscaling 4K to optimize compatible content. For cinematic entertainment, the C6 supports Dolby Vision, Dolby Atmos, HDR10, HLG and FILMMAKER MODE with Ambient Light Technology.
Gaming performance is supported by a native 120Hz refresh rate, VRR up to 165Hz, 0.1ms response time, NVIDIA G-SYNC and AMD FreeSync Premium, along with four HDMI 2.1 inputs. Powered by webOS 26, the TV also integrates Google Gemini, Microsoft Copilot, Chromecast, AirPlay and intelligent voice recognition.

Technical Specifications

Brand: LG
Model: OLED55C66LA.AMRG
Screen Size: 55 inches
Display Technology: OLED evo
Resolution: 4K
Processor: α11 AI Processor 4K Gen3
Refresh Rate: Native 120Hz, VRR up to 165Hz
Response Time: 0.1ms
HDR: Dolby Vision, HDR10, HLG
Audio: Dolby Atmos, 2.2 Channel
Operating System: webOS 26
Gaming: NVIDIA G-SYNC, AMD FreeSync Premium, VRR
HDMI: 4 × HDMI 2.1
Connectivity: Wi-Fi, Bluetooth 5.3, Ethernet, HDMI, USB
Screen Mirroring: AirPlay, Google Cast / Chromecast
VESA Mount: 300 × 200mm

Why OLED evo Makes a Difference on a 55-Inch Screen
A 55-inch television sits in a sweet spot for many living rooms, but screen size is only part of the viewing experience.
The OLED evo display uses individually controlled self-lit pixels rather than relying on a conventional backlight. Each pixel can be controlled independently, allowing the TV to produce exceptionally deep blacks alongside bright, precisely defined areas.
The result is greater contrast and image depth, particularly when watching movies with dramatic lighting or scenes that transition between bright and dark environments.

How Perfect Black and Perfect Color Transform Your Viewing Experience
Deep Blacks for Greater Contrast
Perfect Black is one of OLED's defining characteristics. When a scene calls for pure black, individual pixels can turn off completely.
This allows dark areas to appear genuinely dark rather than relying on a dimmed backlight, creating stronger separation between shadows and brighter elements.

Vibrant Colors with Precise Detail
Perfect Color complements the display's black levels by producing vivid and detailed colors.
From skin tones and landscapes to colorful sports broadcasts, the C6 is designed to deliver a rich and expressive image without losing the contrast that makes OLED distinctive.

How the α11 AI Processor Gen3 Enhances Your Content
AI Picture Processing
The α11 AI Processor 4K Gen3 analyzes compatible content and uses AI-powered processing to optimize the picture.
Features including AI Picture and AI Super Upscaling 4K help refine detail and clarity, while AI Brightness Control adjusts the picture based on the viewing environment.

Smarter Upscaling for Everyday Content
Not everything you watch will be produced in native 4K.
AI Super Upscaling 4K is designed to analyze compatible lower-resolution content and enhance it for the TV's 4K display, helping everyday television and older content make better use of the screen.

Why Dolby Vision Makes Movie Nights More Cinematic
Enhanced HDR for Compatible Content
Dolby Vision enhances compatible HDR content by optimizing picture characteristics on a scene-by-scene basis.
Combined with OLED's ability to produce deep blacks, this can create a particularly immersive experience when watching films and series with dramatic lighting and high-contrast scenes.
The TV also supports HDR10 and HLG, giving you compatibility with a range of HDR content.

How FILMMAKER MODE Helps Preserve the Cinematic Experience
Watch Movies Closer to the Creator's Intent
FILMMAKER MODE is designed to preserve key cinematic characteristics in supported content instead of applying aggressive picture processing.
The C6 also supports Ambient Light Technology, helping adapt the viewing experience to the surrounding environment.
For movie enthusiasts, this makes the C6 a natural choice for creating a dedicated home cinema setup without requiring a projector.

Why 165Hz VRR Makes the C6 a Serious Gaming TV
Smooth Motion for Fast-Paced Games
The LG OLED C6 features a native 120Hz refresh rate with VRR up to 165Hz for compatible PC gaming.
A higher refresh rate can make fast movement appear smoother and provide a more responsive experience, particularly in fast-paced games.

0.1ms Response Time
With a listed 0.1ms response time, the C6 is designed to react quickly to on-screen inputs.
This can be particularly valuable in competitive games where rapid movement and quick reactions are important.

How G-SYNC and FreeSync Improve Your Gaming Setup
NVIDIA G-SYNC and AMD FreeSync Premium
The C6 supports both NVIDIA G-SYNC and AMD FreeSync Premium, giving PC gamers flexibility when choosing compatible hardware
These technologies are designed to synchronize the display's refresh rate with the graphics output, helping reduce tearing and delivering smoother gameplay.

Four HDMI 2.1 Ports for Modern Gaming
The TV features four HDMI 2.1 inputs, making it easier to connect modern gaming consoles, PCs and other high-bandwidth entertainment devices.

How Dolby Atmos Complements the OLED Picture
Immersive Audio for Your Movies and Games
A premium picture deserves sound to match.
The C6 supports Dolby Atmos and features a 2.2-channel audio system, creating a more spacious sound experience for compatible content.
Whether you're watching an action movie, playing a game or streaming a concert, immersive audio helps make the entertainment experience feel more complete.

How webOS 26 Makes the C6 Smarter
Your Entertainment in One Place
webOS 26 provides a central platform for supported streaming services, applications and connected entertainment.
Instead of relying entirely on external streaming devices, the TV gives you access to your entertainment ecosystem directly through the smart TV interface.

Google Gemini and Microsoft Copilot
The C6 supports Google Gemini and Microsoft Copilot, giving users additional AI-powered ways to search, interact with content and access supported smart features.
The availability of individual AI services and functionality may vary depending on region and service availability.

Chromecast and AirPlay
With Chromecast and AirPlay support, you can cast or mirror compatible content from supported devices directly to the television.
This makes it easier to share photos, videos and other content from your smartphone, tablet or computer.

Why the LG C6 Works for More Than Just Movies
The C6 is designed around a broad range of entertainment.

For Movie Lovers
OLED evo, Perfect Black, Perfect Color, Dolby Vision and FILMMAKER MODE provide a strong foundation for cinematic viewing.

For Gamers
165Hz VRR, 0.1ms response time, G-SYNC, FreeSync Premium and HDMI 2.1 make the C6 well suited to high-performance gaming.

For Sports Fans
The combination of OLED contrast, vibrant color and high refresh-rate capabilities helps make fast-moving sports more engaging.

For Everyday Streaming
webOS 26, Chromecast, AirPlay and AI-powered smart features provide a convenient platform for everyday entertainment.

Why a 55-Inch OLED Can Be the Perfect Living Room Upgrade
A 55-inch TV offers a substantial screen without demanding the same amount of wall or floor space as larger 65, 75 or 85 inch models.
The C6 makes that size work harder by combining it with OLED evo picture technology, AI processing and premium gaming capabilities.
It is a particularly versatile choice for customers who want premium OLED picture quality in a more manageable 55-inch format.

Why the LG OLED C6 Is More Than Just a Smart TV
The LG 55-Inch OLED evo AI C6 4K Smart TV brings together premium display technology, intelligent processing, cinematic features and high-performance gaming.
With Perfect Black, Perfect Color, α11 AI Processor Gen3, Dolby Vision, Dolby Atmos, 165Hz VRR, G-SYNC, FreeSync Premium and webOS 26, the C6 is designed to provide a complete entertainment experience across movies, gaming, sports and everyday streaming.