Key Specifications
Choose one or multiple features to search for items that have the same specifications.| Display | |
| Aspect ratio | 16:9 |
| Display diagonal | 139.7 cm (55") |
| Response time | 0.1 ms |
| Display resolution | 4K 3840 x 2160 pixels |
| Display diagonal (metric) | 139 cm |
| LED backlight | ![]() |
| Motion interpolation technology | OLED Motion |
| Display technology | OLED evo |
| Native aspect ratio | 16:9 |
| HD type | 4K Ultra HD |
| Screen shape | Flat |
| Display refresh rates supported | 144 Hz |
| Native refresh rate | 120 Hz |
| Audio | |
| Audio decoders | Dolby Atmos, Dolby Digital |
| RMS rated power | 40 W |
| Audio output channels | 2.2 channels |
| Built-in speaker(s) | ![]() |
| Number of speakers | 2 |
| Sound modes | AI Acoustic Tuning, AI Sound Pro, Clear Voice Pro |
| Enhanced Audio Return Channel (eARC) | ![]() |
| TV Sound Mode Share | ![]() |
| Ports & interfaces | |
| USB 2.0 ports quantity | 3 |
| Ethernet LAN (RJ-45) ports | 1 |
| Digital audio optical out | 1 |
| PC in (D-Sub) | ![]() |
| RF ports quantity | 2 |
| HDMI ports quantity | 4 |
| Common interface (CI) | ![]() |
| HDMI version | 2.1 |
| HDCP | ![]() |
| Audio Return Channel (ARC) | ![]() |
| Consumer Electronics Control (CEC) | SimpLink |
| RF connector type | F, IEC |
| Weight & dimensions | |
| Width | 1222 mm |
| Depth | 45.1 mm |
| Stand width | 47 cm |
| Width (with stand) | 1222 mm |
| Height (with stand) | 757 mm |
| Depth (with stand) | 230 mm |
| Stand depth | 23 cm |
| Weight (without stand) | 14.1 kg |
| Height (without stand) | 703 mm |
| Width (without stand) | 1222 mm |
| Depth (without stand) | 45.1 mm |
| Weight (with stand) | 16 kg |
| Energy management | |
| Power consumption (off) | 0.5 W |
| Power consumption (standby) | 0.5 W |
| Energy efficiency class | G |
| AC input frequency | 50/60 Hz |
| AC input voltage | 100 - 240 V |
| Energy efficiency scale | A to G |
| Energy efficiency class (SDR) | F |
| Energy efficiency class (HDR) | G |
| Energy consumption (SDR) per 1000 hours | 77 kWh |
| Energy consumption (HDR) per 1000 hours | 191 kWh |
| Networking | |
| Wi-Fi standards | 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax) |
| Bluetooth version | 5.3 |
| Ethernet LAN | ![]() |
| Bluetooth | ![]() |
| Wi-Fi | ![]() |
| Wi-Fi Direct | ![]() |
| Miracast | ![]() |
| Web browser | ![]() |
| Packaging data | |
| Package weight | 21.3 kg |
| Package depth | 187 mm |
| Package height | 810 mm |
| Package width | 1360 mm |
| TV tuner | |
| Tuner type | Analog & digital |
| Auto channel search | ![]() |
| Number of tuners | 1 tuner(s) |
| Digital signal format system | DVB-C, DVB-S, DVB-S2, DVB-T, DVB-T2 |
| Management features | |
| Electronic Programme Guide (EPG) | ![]() |
| On/Off timer | ![]() |
| Voice control | ![]() |
| Programming period | 7 day(s) |
| Picture mute (for radio) | ![]() |
| Works with the Google Assistant | ![]() |
| Works with Apple Siri | ![]() |
| Packaging content | |
| Remote control included | ![]() |
| Cables included | AC |
| Remote control type | Magic Remote MR25GA |
| Desktop stand | ![]() |
| Brand-specific features | |
| LG technologies (AV/TV) | AI Super Upscaling 4K, Bluetooth Surround Ready, LG Channels, LG Sound Sync, Magic Remote Control, ThinQ™, WOW Orchestra |
| Other features | |
| Warranty period | 5 year(s) |
| Design | |
| Product colour | Black |
| Panel mounting interface | 300 x 200 mm |
| On/off switch | ![]() |
| VESA mounting | ![]() |
| Stand type | Center stand |
| Introduction year | 2025 |
| Performance | |
| Audio formats supported | AAC, AC3, AC4, EAC3, HE-AAC, MP2, MP3, PCM, WMA, apt-X |
| Game mode | ![]() |
| Ambient light sensor | ![]() |
| Local dimming | ![]() |
| Smartphone/tablet remote support | ![]() |
| USB recording | ![]() |
| NVIDIA G-SYNC | ![]() |
| Picture processing technology | LG AI Picture Pro |
| AMD FreeSync | ![]() |
| High Dynamic Range (HDR) supported | ![]() |
| High Dynamic Range (HDR) technology | Dolby Vision, Dynamic Tone Mapping PRO, Filmmaker Mode, High Dynamic Range 10 (HDR10), Hybrid Log-Gamma (HLG) |
| NVIDIA G-SYNC type | G-SYNC |
| AMD FreeSync type | FreeSync Premium |
| Game features | 4K HFR (High Frame Rate), Auto Low Latency Mode (ALLM), Game Dashboard, HGiG, Variable Refresh Rate (VRR) |
| Multi View | ![]() |
| AI Upscale | ![]() |
| Backlight dimming technology | Pixel Dimming |
| Picture processor | α9 Gen 8 AI Processor 4K |
| Smart TV | |
| Operating system installed | WebOS |
| Operating system version | 25 |
| Internet TV | ![]() |
| Smart TV | ![]() |
| Screen mirroring | ![]() |
| Apple AirPlay 2 support | ![]() |
| EAN | 8806096381885 |
The LG OLED55C51LA is equipped with a 55-inch OLED evo panel that provides a 4K resolution of 3840 x 2160 pixels. The self-emissive nature of the OLED display allows for precise control over individual pixels, resulting in deep black levels and a high contrast ratio. The Alpha 9 AI Processor Gen8 manages image processing, utilizing AI-based algorithms to optimize picture quality and brightness according to ambient conditions. It supports multiple high dynamic range formats, including Dolby Vision, HDR10, and HLG, which enhance detail in both dark and bright scenes. A native refresh rate of 120Hz, supplemented by OLED Motion technology, ensures fluid motion for fast-paced content.
This television runs on the webOS 25 operating system, which provides access to a variety of streaming applications and internet TV functionality. It includes the Magic Remote with voice control for system navigation. The integrated audio system comprises two speakers with a total output of 40 watts and supports Dolby Atmos and Dolby Digital sound formats. Connectivity options are comprehensive, featuring four HDMI 2.1 ports, three USB 2.0 ports, an Ethernet port, Wi-Fi 6, and Bluetooth 5.3 for pairing with external devices and accessories.
Key Features:- Display: 55-inch (139 cm) OLED evo panel with a native 120 Hz refresh rate
- Resolution: 4K (3840 x 2160 pixels)
- Picture Processing: α9 AI 4K Processor Gen8 with AI Picture Wizard
- HDR: Supports Dolby Vision, HDR10, and HLG formats
- Gaming: Features a dedicated Game Mode
- Audio: 2 speakers with a total output of 40 W and Dolby Atmos support
- Smart TV: Runs webOS 25 with voice control and access to major streaming apps
- Wireless: Built-in Wi-Fi 6 and Bluetooth 5.3
- Connections: HDMI 2.1 (4x), USB 2.0 (3x), LAN (1x), Optical Audio Out (1x)
- Energy Efficiency: Class G with 0.5 W standby consumption
- Mounting: VESA 300 x 200 mm compatible, stand width of 470 mm
- Dimensions (with stand): 1222 x 757 x 230 mm
- Weight: 16000 g
Estimated delivery: 07.11 - 13.11
Today: 10:00 - 18:00
Estimated delivery: 07.11 - 13.11
Today: 09:00 - 17:00
Estimated delivery: 07.11 - 13.11
Today: 10:00 - 17:00
Estimated delivery: 07.11 - 13.11
Today: 10:00 - 18:00
Estimated delivery: 07.11 - 13.11
Today: 10:00 - 18:00
Estimated delivery time: 07.11 - 13.11
Estimated delivery time: 08.11 - 13.11
Estimated delivery time: 07.11 - 12.11
Estimated delivery time: 08.11 - 13.11
Estimated delivery time: 08.11 - 12.11
Estimated delivery time: 08.11 - 12.11
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