Description
- QLED with Mini LED for brilliant brightness & contrast
- Dolby Atmos brings cinema sound to your home
- Refresh rate: 144 Hz
- HDMI 2.1 x 4
- Claim a 5 year guarantee
- Personalised content & new entertainment with Google TV
Product information
The TCL A400U 55″ Wallpaper QD-Mini LED TV pairs a razor-thin design with a bright, bold picture. QD-Mini LED technology precisely controls light across the screen, giving you deeper blacks and brighter highlights with less glow around objects. Combined with Quantum Dot colour, you get richer, more natural shades. The AiPQ Pro Processor analyses what you’re watching in real time, adjusting the colour, contrast and clarity for a more balanced picture. The ONKYO 2.0 Hi-Fi system uses 20 W of audio power for clearer dialogue and deeper bass, so everything feels fuller and more engaging.
Good to know
- The HVA Pro Panel boosts contrast and sharpness while reducing reflections
- Up to 2500 nits of brightness and 448 dimming zones for a clear picture, even in daylight
- The ONKYO 2.0 Hi-Fi system uses 20 W of audio power for clearer dialogue and deeper bass
- Dolby Atmos and DTS Virtual:X spread audio around the room with added height and depth
- The flat-thin design is just 39.9 mm deep, making it ideal for wall mounting
- Dolby Vision IQ adapts to your room lighting for improved contrast and clarity
- Art Mode lets you display artwork, photos or calming scenes
- The 144 Hz display keeps action smooth and clear
- Google TV smart platform
- Google Assistant built-in
Please note: Some apps & services (including tuner) are only available in the UK. Apps & services may be removed or no longer supported by third party content providers at any time. Some apps & services may not be available at launch and may require a firmware update before becoming available.
TCL A400U 55″ Premium Wallpaper QD-Mini LED 4K HDR Smart Google TV 2026 – 55A400U-UK, QLED with Mini LED for brilliant brightness & contrast, Dolby Atmos brings cinema sound to your home, Refresh rate: 144 Hz, HDMI 2.1 x 4, Claim a 5 year guarantee, Personalised content & new entertainment with Google TV
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Basic Specifications
- Manufacturer’s Part Number
- 5901292531850
- EAN
- 5901292531850
- Smart
- Yes
- Product Type
- LED TV
- Display Resolution
- 4K Ultra HD (2160p)
- Smart Platform
- Google TV
- Manufacturer Guarantee
- 5 Years
- WiFi
- Yes
- Ethernet
- Yes
- Bluetooth
- Bluetooth 5.4
- Connections
- – HDMI 2.1 x 4
– USB 3.0 x 1 - Audio output
- Optical digital x 1
- Smart platform
- Google TV
- Smart TV services
- – Streaming: Apple TV, Amazon Prime, Netflix, YouTube
– App store: Google Play StorePlease note: Some services are only available in the UK - Voice controlled assistant
- Google Assistant via TV
- Other smart features
- Works with Google Home, Alexa, Apple HomeKit & Matter
- TV tuner
- – DVB-T2
– DVB-S2
– DVB-CPlease note: Some services are only available in the UK - Electronic programme guide
- 8-day EPG
- Screen size
- 55″
- Screen technology
- QD-Mini LED
- Resolution
- 4K Ultra HD 3840 x 2160p
- HDR
- – Dolby Vision IQ
– HDR10+
– HDR10
– Hybrid Log Gamma (HLG) - VESA mount
- 400 x 400
- Table-top stand
- Centre stand
- Other features
- Sleep timer
- Colour
- Black
- Box contents
- – TCL 55A400U-UK 55″ Smart 4K HDR QD-Mini LED TV
– Power cord
– Remote with batteries - Dimensions
- – TV with stand: 766 x 1234 x 295 mm (H x W x D)
– TV: 710 x 1234 x 39.9 mm (H x W x D)
– Boxed: 875 x 1360 x 122 mm (H x W x D) - Weight
- – TV with stand: 13.4 kg
– TV: 13 kg
– Boxed: 17.5 kg - Guarantee
- 5 years
- Motion rate
- 144 Hz
- Processor
- AiPQ Pro Processor
- Refresh rate
- 120 Hz (up to 144 Hz)
- Contrast
- Brightness: up to 2500 nits
- Dynamic contrast ratio
- Mega
- Picture enhancement
- UHD Deep Learning AI SR
- Anti-glare / reflective screen
- Yes
- Gaming technology
- HDR game mode
- Other features
- Picture modes: Intelligent, Vivid, Standard, Sport, Movie, Game, PC
- Energy efficiency class (SDR)
- E
- On mode power demand (SDR)
- 58 W
- Energy efficiency class (HDR)
- G
- On mode power demand (HDR)
- 168 W
- Standby mode power demand
- 0.5 W
- Speakers
- 2.0
- Audio power
- 20 W
- Sound technology
- ONKYO
- Sound processing
- – Dolby Atmos
– Dolby AC4
– Dolby TrueHD
– DTS Virtual-X Virtualization & upmix
Connectivity
Smart
Tuner
Screen
Features
General
Picture quality
Energy consumption
Audio
Reviews
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