LG 43NU800B3LC 43 inch 4K UHD NanoCell Smart TV with webOS, AI ThinQ & HDR (Black)

In a bright urban flat or a cosy family room, the LG 43NU800B3LC brings big, lifelike picture to mid-sized spaces. This 43-inch NanoCell TV pairs a 4K UHD panel with LG’s α5 Gen5 AI Processor 4K, intelligent upscaling, and webOS 22 for intuitive, responsive entertainment.

Key specifications

• 43-inch NanoCell display with 4K UHD (3840 x 2160) resolution and LED backlight
• α5 Gen5 AI Processor 4K with AI Upscaling, AI Brightness Control and AI Sound Pro
• Active HDR (HDR10 Pro, HLG) for improved contrast and colour
• webOS 22 smart platform with built-in Google Assistant and Alexa compatibility
• 20W (2.0 channel) audio with Clear Voice Pro, plus HGiG and Game Optimizer for smooth gaming
• Connectivity: 3x HDMI 2.0, 2x USB, Wi-Fi 802.11ac, Bluetooth 5.0, DVB-T2/C/S2 tuner

Why choose it

The α5 Gen5 AI Processor uses deep learning to upscale lower-resolution content closer to true 4K, while AI Sound Pro fine-tunes audio for clearer dialogue. With support for Google Assistant and Alexa, you can control the TV hands-free and manage compatible smart-home devices from the couch. HGiG mode and Game Optimizer ensure low-latency gaming, making it a versatile choice for mixed households.

Ideal use cases

• Streaming 4K films and series from Netflix, Prime Video and more
• Watching live sports with smooth motion and vibrant colours
• Console or PC gaming with dedicated game settings
• Wall mounting via VESA 200x200 in a living room or bedroom

Good to know

This TV is supplied with a standard remote control and a power cable. It supports HDR10 Pro and HLG, while the hybrid tuner covers terrestrial, cable and satellite signals (DVB-T2/C/S2). Four channel audio amplification delivers 20W of clear sound — you can also connect a soundbar via HDMI ARC. The 43NU800B3LC is a stylish, future-proof 4K TV that makes high-quality HDR content accessible without compromising on price.