Business Price Promise
We won't be beaten on price
TCL A400U 55" Premium Wallpaper QD-Mini LED 4K HDR Smart Google TV 2026 - 55A400U-UK
- Product code:
- B547446B | 5901292531850
Bundles available
- QLED with Mini LED for brilliant brightness & contrast
- Dolby Atmos brings cinema sound to your home
- Refresh rate: 120 Hz (up to 144 Hz)
- HDMI 2.1 x 4
- 2 year guarantee
- Personalised content & new entertainment with Google TV
Business Price Promise
Buy from us safe in the knowledge you’ve paid a great price.
If you find Argos, John Lewis, AO.com or eBuyer.com has the same product at a cheaper price, including voucher offers, we’ll match it – even up to 14 days after purchase.
Learn more
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
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: 120 Hz (up to 144 Hz), HDMI 2.1 x 4, 2 year guarantee, Personalised content & new entertainment with Google TV
Specifications
Basic Specifications
- Manufacturer's Part Number
- 5901292531850
- EAN
- 5901292531850
Connectivity
- 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
- 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
Tuner
- TV tuner
- - DVB-T2
- DVB-S2
- DVB-CPlease note: Some services are only available in the UK - Electronic programme guide
- 8-day EPG
Screen
- 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)
Features
- VESA mount
- 400 x 400
- Table-top stand
- Centre stand
- Other features
- Sleep timer
General
- 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
- 2 years
Picture quality
- Motion rate
- 120 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 consumption
- 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
Audio
- Speakers
- 2.0
- Audio power
- 20 W
- Sound technology
- ONKYO
- Sound processing
- - Dolby Atmos
- Dolby AC4
- Dolby TrueHD
- DTS Virtual-X Virtualization & upmix
Bundles
ex. VAT price
inc. VAT price
Buy together and save
Save £2.66 ex. VAT with this bundle
Save £3.19 inc. VAT with this bundle
Currently viewing:
TCL A400U 55" Premium Wallpaper QD-Mini LED 4K HDR Smart Google TV 2026 - 55A400U-UK
£790.83 ex. VAT
£948.99 inc. VAT
Buy together and save
Save £1.33 ex. VAT with this bundle
Save £1.59 inc. VAT with this bundle
Currently viewing:
TCL A400U 55" Premium Wallpaper QD-Mini LED 4K HDR Smart Google TV 2026 - 55A400U-UK
£790.83 ex. VAT
£948.99 inc. VAT
+
Buy together and save
Save £1.33 ex. VAT with this bundle
Save £1.59 inc. VAT with this bundle
Currently viewing:
TCL A400U 55" Premium Wallpaper QD-Mini LED 4K HDR Smart Google TV 2026 - 55A400U-UK
£790.83 ex. VAT
£948.99 inc. VAT
+
Delivery FAQs
Cost:
Standard delivery is free on small items over £40 ex VAT. Large items (large kitchen appliances and some TVs over 40") do not qualify for standard delivery. There are a variety of free and chargeable delivery options for these items detailed during the checkout process.
How long does delivery take?
- Well send your order ASAP and give you a heads-up on delivery times before you check out
- For large items, select your preferred date and time at checkout
- Easily track your order or get a text message ETA (when available)
Installation and recycling information
- Get hassle-free installation and recycling on large items at checkout
- For recycling, please disconnect your old appliance before our team arrives (unless you've also purchased an installation)
- For installations, our expert team will disconnect your old appliance, install your new item and connect it to existing services within one meter. Magic.
Please note: We can only install items on domestic premises, as our installers aren't authorised to install any items commercially
Price Match
We'll match against any other UK retailer store or website price including offer-code discounts.
How to request a business price match
We promise to match the competitor’s price available when you contact us. To request a price match for:
Information you’ll need
If you have already purchased you’ll need your receipt, the competitor you want us to match and details of any relevant voucher offers.
If you have not yet purchased you’ll need; the product code (available on the product page), our price, the competitor you want us to match and details of any relevant voucher offers.
We’ll even price match 7 days after your purchase!
Here’s how to get a price match if you’ve already bought:
If you see the same item cheaper elsewhere, within 7 days of buying from us we’ll refund you the difference.
If you bought online: call us on 0344 561 6789 and have your receipt handy.
Price Promise terms & conditions
We'll match against any other UK retailer store or website price including offer-code discounts. We’ll match the prices of any products (not delivery, installation charges, product protection plans or other services) offered on identical terms and where we can check the price and stock position. Our competitor’s product must be the same model number as ours. Both us and the competitor must have the product in stock and ready for delivery. We do not match competitor’s ink prices, trade, membership & 3rd party market place sellers.
Limited to maximum five units per order or transaction. Cannot be used with any other offer.
