LG OLED 42/83 C5(4/5)LA OLED HDR 4K Ultra HD Smart TV
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- Official Hi-Fi Retailer since 1973
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Items must be returned in original condition and packaging, including all accessories, manuals and any promotional items. The cost of return is your responsibility and we strongly recommend insuring the goods, as refunds cannot be issued for damaged or incomplete returns. If items show excessive handling, are missing components, or cannot be resold as new, a reasonable deduction may be made.
Please note that used headphones (for hygiene reasons) and custom or special-order items cannot be returned. If you need assistance arranging a return, we’re always happy to help.
Product Summary
The LG OLED C54LA / C55LA models are part of LG’s 2025 C5 OLED range, designed for customers who want a premium all-round TV for films, streaming, gaming and everyday viewing without stepping all the way up to the Gallery Series. In this combined listing, the 42 inch and 83 inch versions give you a choice between a more compact premium OLED for smaller spaces and a truly large-screen home cinema option.
What makes the C5 series so appealing is the balance it strikes between performance and usability. LG combines its self-lit OLED evo panel technology with the alpha 9 AI Processor Gen8, giving you the rich contrast, black depth and cinematic image quality OLED is known for, along with improved picture processing, strong 4K upscaling and broad HDR support. The result is a TV that feels equally comfortable with films, sport, box sets and console gaming.
The C54LA and C55LA variants also remain easy to live with day to day. webOS gives fast access to the main streaming apps, HDMI 2.1 support makes them a strong match for modern games consoles, and the slim design helps them sit neatly in more design-conscious spaces. The main model difference is that the C55LA variant adds WiSA support, while both versions share the same core picture and smart TV platform.
Key Benefits
- OLED evo panel technology delivers superb black levels, contrast and cinematic depth for films and premium TV viewing
- alpha 9 AI Processor Gen8 helps improve picture processing, 4K upscaling and overall viewing quality across a wide range of content
- Brightness Booster helps the picture look more dynamic and impactful, especially with HDR content
- Dolby Vision and Dolby Atmos support help create a more immersive home cinema experience at home
- webOS smart TV platform gives quick access to popular streaming services and a more personalised user experience
- Four HDMI 2.1 inputs make it easier to connect consoles, sound systems and other AV sources without compromise
- Strong gaming support with 4K 144Hz, VRR, ALLM, G-Sync and FreeSync Premium keeps gameplay smooth and responsive
- Choice of 42 inch and 83 inch sizes makes it easier to suit either a more compact room or a much larger cinematic setup
- C55LA models add WiSA support for easier wireless multi-channel audio integration on compatible systems
- 1 year manufacturers' warranty
Technical Specifications
Display & Picture
- Product Type: 4K OLED evo smart TV
- Resolution: 3840 x 2160
- Panel Type: OLED evo
- Processor: alpha 9 AI Processor Gen8
- HDR Formats: Dolby Vision, HDR10, HLG
- Picture Features: AI Picture Pro, AI Super Upscaling 4K, OLED Dynamic Tone Mapping Pro, FILMMAKER MODE
- Colour Performance: 100% Colour Fidelity, 100% Colour Volume
- Brightness Technology: Brightness Booster
Smart TV & Platform Features
- Operating System: webOS 25
- Smart Features: AI Search, AI Chatbot, Voice ID, Home Hub, Multi View
- Voice & Smart Home Support: Amazon Alexa, Apple AirPlay 2, Google Cast, LG ThinQ
- Remote Control: AI Magic Remote
- Variant Difference: C55LA adds WiSA support up to 2.1 channel
Gaming Features
- Refresh Rate: 120Hz native
- High Frame Rate Support: Up to 4K 144Hz
- HDMI 2.1 Features: VRR, ALLM, eARC, QMS
- Gaming Support: NVIDIA G-Sync Compatible, AMD FreeSync Premium, HGiG, Game Optimiser / Game Dashboard
- Response Time: 0.1 ms
Audio
- 42 inch model speaker output: 20 W
- 83 inch model speaker output: 40 W
- Dolby Atmos: Yes
- AI Sound: AI Sound Pro
- Additional Features: Clear Voice, LG Sound Sync, Bluetooth Surround Ready
Connections
- HDMI Inputs: 4 x HDMI 2.1
- USB Inputs: 3 x USB 2.0
- Ethernet: 1 x LAN
- RF / Satellite Inputs: Yes
- Optical Digital Audio Output: Yes
- Wireless Connectivity: Wi-Fi, Bluetooth
- eARC: Yes, via HDMI 2
Tuner & Broadcast Support
- Digital TV Tuner: DVB-T2 / T, DVB-C, DVB-S2 / S
- UK Platform Compatibility: Freeview and Freesat support
Dimensions & Weight
- 42 inch model (OLED42C55LA) without stand: 940 x 540 x 41.1 mm
- 42 inch model (OLED42C55LA) weight without stand: 9.8 kg
- 83 inch model (OLED83C54LA) without stand: 1842 x 1055 x 56 mm
- 83 inch model (OLED83C54LA) weight without stand: 28.3 kg
What’s in the Box
- LG OLED C54LA / C55LA 4K OLED evo TV
- AI Magic Remote
- Remote control batteries
- Power cable
- Tabletop stand components
- Quick start guide
- User documentation
