LG OLED evo AI OLED55C51LA. Display diagonal: 139,7 cm (55"), Display resolution: 3840 x 2160 pixels, HD type: 4K Ultra HD, Display technology: OLED evo, Screen shape: Flat. Smart TV. Motion interpolation technology: OLED Motion, Response time: 0,1 ms, Native aspect ratio: 16:9. Digital signal format system: DVB-C, DVB-S, DVB-S2, DVB-T, DVB-T2. Wi-Fi, Ethernet LAN. Product colour: Black

Display
Display diagonal	139.7 cm (55")
HD type	4K Ultra HD
Display technology	OLED evo
LED backlight	Yes
Screen shape	Flat
Native aspect ratio	16:9
Response time	0.1 ms
Motion interpolation technology	OLED Motion
Native refresh rate	120 Hz
Display refresh rates supported	144 Hz
Display resolution	3840 x 2160 pixels
Display diagonal (metric)	139 cm
TV tuner
Tuner type	Analog & digital
Digital signal format system	DVB-C, DVB-S, DVB-S2, DVB-T, DVB-T2
Number of tuners	1 tuner(s)
Auto channel search	Yes
Smart TV
Smart TV	Yes
Internet TV	Yes
Operating system installed	WebOS
Operating system version	25
Apple AirPlay 2 support	Yes
Audio
RMS rated power	40 W
Audio output channels	2.2 channels
Audio decoders	Dolby Atmos, Dolby Digital
Sound modes	AI Acoustic Tuning, AI Sound Pro, Clear Voice Pro
TV Sound Mode Share	Yes
Enhanced Audio Return Channel (eARC)	Yes
Network
Wi-Fi	Yes
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	Yes
Bluetooth version	5.3
Ethernet LAN	Yes
Web browser	Yes
Design
Product colour	Black
VESA mounting	Yes
Panel mounting interface	300 x 200 mm
Introduction year	2025
Stand type	Center stand
Performance
High Dynamic Range (HDR) technology	Dolby Vision, Dynamic Tone Mapping PRO, Filmmaker Mode, High Dynamic Range 10 (HDR10), Hybrid Log-Gamma (HLG)
Game mode	Yes
Audio formats supported	AAC, AC3, AC4, EAC3, HE-AAC, MP2, MP3, PCM, WMA, apt-X
AI Upscale	Yes
Backlight dimming technology	Pixel Dimming
Picture processing technology	LG AI Picture Pro
Picture processor	α9 Gen 8 AI Processor 4K
High Dynamic Range (HDR) supported	Yes
AMD FreeSync	Yes
AMD FreeSync type	FreeSync Premium
NVIDIA G-SYNC	Yes
NVIDIA G-SYNC type	G-SYNC
Game features	4K HFR (High Frame Rate), Auto Low Latency Mode (ALLM), Game Dashboard, HGiG, Variable Refresh Rate (VRR)
Multi View	Yes
Smartphone/tablet remote support	Yes
USB recording	Yes
Ports & interfaces
PC in (D-Sub)	No
Ethernet LAN (RJ-45) ports	1
USB 2.0 ports quantity	3
Digital audio optical out	1
RF ports quantity	2
RF connector type	F, IEC
Common interface (CI)	Yes
HDMI ports quantity	4
Consumer Electronics Control (CEC)	SimpLink
Management features
Voice control	Yes
Works with the Google Assistant	Yes
Works with Apple Siri	Yes
Power
Power consumption (standby)	0.5 W
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
AC input voltage	100 - 240 V
AC input frequency	50/60 Hz
Energy efficiency scale	A to G
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
Weight & dimensions
Width (with stand)	1222 mm
Depth (with stand)	230 mm
Height (with stand)	757 mm
Weight (with stand)	16 kg
Width (without stand)	1222 mm
Depth (without stand)	45.1 mm
Height (without stand)	703 mm
Weight (without stand)	14.1 kg
Stand width	47 cm
Stand depth	23 cm
Packaging data
Package width	1360 mm
Package depth	187 mm
Package height	810 mm
Package weight	21.3 kg
Packaging content
Cables included	AC
Remote control included	Yes
Remote control type	Magic Remote MR25GA
Other features
Warranty period	5 year(s)