LG OLED42C34LA 42″ Smart 4K Ultra HD HDR OLED TV with Amazon Alexa


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When was the last time your TV made you go ‘wow’? This LG C3 OLED TV uses self-lit pixels for perfect blacks and brilliant highlights – it’s pretty magical. You’ll be able to pick out every star in a night sky – and because there’s no backlight, there’s no annoying halos either. The a9 Gen6 AI processor is the brain of the TV. It’s hard at work in the background, upscaling the picture and audio of everything you watch. More brightness means better contrast. You’ll see more detail in every scene – day or night – thanks to the Brightness Booster.

Good to know

– It looks great in any room thanks to its stunningly thin and light design
– There’s something for the whole family on webOS, LG’s smart platform which includes Netflix, Disney+ and a whole lot more
– Filmmaker Mode turns off any picture processing that can make movies look unnatural, so you can enjoy them the way the director intended
– Sound flows all around you with Dolby Atmos, making you feel like you’re at the heart of the action
– Dolby Vision HDR brings more depth to every scene with incredible contrast and vivid colours
– Get the most out of your next-gen console with support for 4K@120 Hz and more gaming tech than you can shake a controller at
– OLED Motion makes fast paced sports and movies look smooth, so it’s easy to keep up with the action
– AI Sound Pro transforms 2-channel audio into virtual 5.1 surround sound for that movie theatre experience

Energy consumption

Energy efficiency class (SDR)
On mode power demand (SDR)
51.9 W
Energy efficiency class (HDR)
On mode power demand (HDR)
84 W
Standby mode power demand
0.5 W


Audio power
20 W
Sound technology
AI Sound Pro (Virtual 9.1.2 Up-mix)
Sound processing
Dolby Atmos
Other features
– AI Acoustic Tuning
– Clear Voice Pro


Audio output
Optical x 1
– HDMI 2.1 x 4 (eARC compatible x 1)
– USB 2.0 x 3
Built-in WiFi
Bluetooth 5.0


Screen technology
4K Ultra HD 3840 x 2160p
Screen size
– Dolby Vision
– HDR10
– Hybrid Log Gamma (HLG)
HDR technology
Cinema HDR

Picture quality

Dynamic contrast ratio
OLED Dynamic Tone Mapping Pro
Motion rate
120 Hz
Picture enhancement
OLED evo
Noise reduction
Response time
0.1 ms
4K Ultra HD compatibility
– Video CODEC: HEVC H.265 / VP9
– 4K upscaling picture enhancement
α9 Gen6 AI Processor 4K
Refresh rate
120 Hz
Gaming technology
– Nvidia G-SYNC
– AMD FreeSync
– Game Optimiser
– HDR game mode
– Gaming apps including GeForce Now
Other features
– AI Picture Pro
– AI Genre Selection
– AI Brightness Control
– Filmmaker Mode


Electronic programme guide
7-day EPG and 7-day catch up with Freeview Play
TV tuner
– Freeview HD (DVB-T2)
– Freesat HD (DVB-S2)

Please note: Some services are only available in the UK


Table-top stand
VESA mount
300 x 200
Other features
– Sleep timer
– Parental lock
– Motion control remote
PVR function
Remote control
Magic remote


Smart TV services
– Catch up TV: BBC iPlayer, ITVX, All 4, My5, UKTV
– Streaming: Apple TV, Amazon Prime Video, Disney+, Netflix, NOW TV, YouTube
– Music: Spotify, Deezer
– App store: LG Content Store

Please note: Some services are only available in the UK

Screen mirroring
Miracast (Android / iOS)
Smartphone app
LG ThinQ app
Other smart features
Works with Alexa smart speakers
Smart platform
webOS 23
Voice controlled assistant
Amazon Alexa via remote or TV


– TV: Dark titan silver
– Stand: Titanium grey
Internal menu languages
38 languages
5 years
– TV: 9.8 kg
– TV with stand: 10.1 kg
– Boxed: 12.7 kg
– TV with stand: 577 x 932 x 170 mm (H x W x D)
– TV: 540 x 932 x 41.1 mm (H x W x D)
– Boxed: 660 x 1060 x 152 mm (H x W x D)
Box contents
– LG OLED42C34LA 42″ Smart 4K Ultra HD HDR OLED TV
– Magic remote control
– Batteries
– Stand
– Screws
– User manual
– TV: Metal
– Stand: Plastic

Additional information

Weight 10.1 kg
Dimensions Height: 577 cm
Width: 932 cm
Depth: 170 cm

Energy efficiency class


Screen size

TV type


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LG OLED42C34LA 42" Smart 4K Ultra HD HDR OLED TV with Amazon Alexa


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