{"product_id":"tcl-55a400m-uk-55-inch-a400m-4k-ultra-hd-hdr-premium-qd-mini-led-smart-google-tv-2026","title":"TCL 55A400M-UK 55 Inch A400M 4K Ultra HD HDR Premium QD-Mini LED Smart Google TV 2026","description":"\u003ch2 class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eTCL 55A400M-UK 55\" A400M 4K Ultra HD HDR Premium QD-Mini LED Smart Google TV (2026)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eThe TCL 55A400M-UK is built for home cinema enthusiasts who want premium picture quality, smooth gaming performance and smart features without spending a fortune. It solves the problems of blooming and poor black levels in standard LED TVs by using up to 448 precise dimming zones and high HDR brightness, delivering deep blacks and bright highlights that rival much more expensive TVs. With 93% DCI-P3 colour gamut, All-Domain Halo Control that eliminates halo effects, ONKYO 2.0 Hi-Fi audio and Google TV with Gemini AI, you get exceptional performance at a sensible price.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eUltra-Slim Unibody Design\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eThe A400M features an integrated flat-back design that looks slimmer from the side and more immersive from the front, with a clean wall presence that elevates any living space. At just 39.9mm thin on the 55\" model, it feels less like a device and more like part of your home.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eQD-Mini LED with Up to 448 Precise Dimming Zones\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eQD-Mini LED combines the wide colour performance of QLED with the precise light control of Mini LED, bringing backlight control closer to pixel-level accuracy. The 55A400M delivers up to 448 dimming zones for deeper blacks and higher brightness.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eDark scenes look genuinely black without blooming, and bright highlights pop with clarity. You get OLED-like contrast with higher peak brightness and a longer lifespan.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eHigh HDR Brightness\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eEven in a bright room, you can still enjoy clear pictures with vivid colours and see more detail in both sunny and shadowy scenes. The A400M delivers strong HDR brightness for stunning, lifelike images.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003e93% DCI-P3 Ultra-Wide Colour Gamut\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eUsing Quantum Dot technology, the A400M unveils over 1 billion hues of vibrant, precise colours, providing up to 93% colour gamut according to the DCI-P3 standard. Your favourite films and shows look more lifelike with deeper reds, truer blues and more natural greens.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eBionic Colour Optimisation Technology\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eThis technology intelligently analyses image content and enhances scene colours with remarkable precision while restoring and protecting natural skin tones. Scenes look more vivid and immersive, but faces stay natural and believable.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eAll-Domain Halo Control Technology\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eAll-Domain Halo Control covers the entire path from light generation to imaging, integrating high-efficiency chips, self-developed lens technology, Micro-OD, light-and-shadow algorithms and TCL CSOT HVA panel technology. Halos around bright objects on dark backgrounds are virtually eliminated.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003ePowerful Light-Emitting Chip\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCompared with previous generation conventional chips, the A400U's powerful light-emitting chip significantly improves brightness and energy efficiency, with a 53.8% brightness increase and 10% energy efficiency improvement. You get better picture quality while using less energy.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eCondensed Micro Lens\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eTCL's self-developed condensed micro lens technology precisely controls light direction, greatly improving backlight uniformity and halo control capabilities with an 8 times increase in optical stability. Picture details are clearer with improved halo control.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eMicro-OD for Better Image Quality, Thinner Body\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eWith TCL's powerful Mini LED optical technology, Micro-OD offers a slimmer TV unit while significantly reducing the Mini LED halo issue. Stars in the night sky look deep, delicate and sharp.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eHVA Panel Technology with 5000:1 Native Contrast\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHVA panel technology enhances contrast by improving light control through the liquid crystal layer, making dark areas darker and the picture more immersive, with a native contrast ratio of 5000:1 compared to just 1200:1 for conventional IPS panels.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eStar Ring Cooling System\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eThe star ring cooling system helps reduce heat build-up in tight spaces, supporting stable performance for everyday, all-day viewing. Efficient cooling means less heat build-up and long-lasting reliability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eONKYO 2.0 Hi-Fi System with Wide Sound Field\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eWith decades of home theatre expertise, ONKYO tuning delivers balanced, engaging sound for movies, sports and gaming. Side-firing speakers widen the sound field by 35% and improve audio-visual alignment for a more immersive experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eTutti Choral – Cinema-Level Experience\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eThe TV works seamlessly with compatible TCL soundbars for synchronised, more immersive surround sound. Best paired with a TCL soundbar for the ultimate audio experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003e144Hz Native Refresh Rate with 288Hz Game Accelerator\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eThe A400M leverages VRR technology to deliver dual-mode ultra-high refresh rates: native 4K at 144Hz and 1080P at 288Hz, plus AMD FreeSync Premium Pro, ALLM and HDMI 2.1. Gaming is incredibly smooth with less stuttering, tearing or blurring.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eGame Master and Game Bar\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eUnlock advanced display and audio tools and fine-tune settings quickly with TCL Game Master. Game Bar provides adaptive game screen settings for all three major consoles, letting you choose preferred picture modes.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eGoogle TV with Gemini AI\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eTCL is the first TV brand to launch with Google Gemini. Gemini helps you discover new shows, answer questions, control your smart home, and create custom AI art in 4K. Your TV becomes an entertainment hub, smart home controller, information source and creative tool all in one.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eTSR AiPQ Processor\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eThe TSR AiPQ processor delivers pixel-level optimisation with AI ClarityMaster, AI ContrastMaster, AI ColourMaster and AI MotionMaster. Every frame bursts with vibrant dynamism, layered depth and natural clarity.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eArt Gallery, Digital Art and Ambient Mode\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eDisplay hundreds of famous artworks even when the TV is off, explore over 100,000 pre-generated AI artworks across styles and themes, or transform your space with crackling campfires, gentle rain sounds and lapping waves. Your TV becomes a personal art gallery and wellness tool.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eFlexible Placement\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eWhether wall-mounted or placed on a stand, the A400M keeps a clean, premium look that fits different rooms and layouts. Designed for a cleaner wall presence with less protrusion and cleaner lines.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eKey Features at a Glance\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003e55-inch Premium QD-Mini LED display\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eUp to 448 precise dimming zones\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eHigh HDR brightness for bright room viewing\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003e93% DCI-P3 ultra-wide colour gamut – over 1 billion hues\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eAll-Domain Halo Control Technology – eliminates blooming\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eBionic Colour Optimisation – scene enhancement and skin tone preservation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eHVA panel with 5000:1 native contrast ratio\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003ePowerful light-emitting chip – 53.8% brightness increase, 10% energy efficiency improvement\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eCondensed micro lens – 8x optical stability increase\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eMicro-OD for slimmer design and reduced halo\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eStar Ring Cooling System – efficient cooling for long sessions\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eONKYO 2.0 Hi-Fi with wide sound field (35% wider)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eTutti Choral – cinema-level sound with compatible soundbar\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003e144Hz native refresh rate \/ 288Hz Game Accelerator\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eAMD FreeSync Premium Pro, ALLM and HDMI 2.1\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eGame Master and Game Bar with customised console settings\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eGoogle TV with Gemini AI\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eTSR AiPQ Processor with AI optimisation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eUltra-slim unibody design – 39.9mm thin\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eArt Gallery, Digital Art (100,000+ artworks), Ambient Mode and Moments\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eFlexible placement – wall or stand\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003ePremium Performance, Elegant Design\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eThe TCL 55A400M-UK is an excellent choice for home cinema enthusiasts who want stunning picture quality, smooth gaming performance and smart features without spending a fortune. With up to 448 precise dimming zones, 93% DCI-P3 colour, ONKYO 2.0 Hi-Fi audio, 144Hz gaming, Google TV with Gemini AI and an ultra-slim 39.9mm unibody design, it delivers premium performance and elegant design at a price that makes sense. Perfect for anyone who wants great entertainment without compromise.\u003c\/span\u003e\u003c\/p\u003e\n\u003cspan class=\"body-search-keyword\" style=\"display: none;\"\u003eTCL 55A400M-UK 55 Inch A400M 4K Ultra HD HDR Premium QD-Mini LED Smart Google TV 2026, TCL, 55A400M-UK, 55, Inch, A400M, 4K, Ultra, HD, HDR, Premium, QD-Mini, LED, Smart, Google, TV, 2026, 55 a400m, 55-a400m, 55 inch a400m\u003c\/span\u003e","brand":"TCL","offers":[{"title":"55 Inch","offer_id":57282063696249,"sku":"2000003011","price":799.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0636\/8224\/8931\/files\/55A400MUK-1.jpg?v=1778852462","url":"https:\/\/www.electricshop.com\/products\/tcl-55a400m-uk-55-inch-a400m-4k-ultra-hd-hdr-premium-qd-mini-led-smart-google-tv-2026","provider":"electricshop.com","version":"1.0","type":"link"}