# TCL 55A400U 55-inch 4K Ultra HD Smart TV with Mini LED Technology

**URL:** https://aio.lv/en/product--tcl-55a400u--12549440
**Data updated:** 2026-07-06 17:44 (EEST)
**Category:** Other goods
**Manufacturer:** TCL
**Manufacturer code:** 55A400U
**EAN:** 5901292531843
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 689.49 €
**Prices and availability valid until:** 2026-08-06 23:59
**Price without VAT (21%):** 569.83 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--tcl-55a400u--12549440

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 24.07.2026 | free |
| Pickup points | 29.07.2026 | 1.89 EUR |
| Courier delivery to door | 29.07.2026 | 15.00 EUR |

## Summary description

The TCL 55A400U is a 55-inch 4K Ultra HD Smart TV featuring advanced Mini LED display technology for superior brightness and contrast. With a resolution of 3840 x 2160 pixels and a 5.7 ms response time, it offers smooth visuals for movies and gaming. Equipped with Wi-Fi, Ethernet, and DVB-T2/C/S2 tuners, this flat-screen TV provides versatile connectivity and access to smart streaming services in a sleek black design.

## Long description

The TCL 55A400U is a 55-inch 4K Ultra HD Smart TV that utilizes advanced Mini LED display technology to deliver exceptional visual clarity, deep contrast, and high brightness. With a resolution of 3840 x 2160 pixels and a flat screen design, this television provides a cinematic viewing experience for a wide range of entertainment content. The integration of smart features allows for seamless access to streaming services and online media, making it a versatile centerpiece for any modern living room.
Advantages
The primary advantage of this model is its Mini LED backlighting, which allows for precise light control and a peak brightness of 2500 cd/m², ensuring that images remain vivid even in well-lit rooms. The 5.7 ms response time and high Picture Performance Index of 4200 contribute to smooth motion, which is particularly beneficial for fast-paced action movies and gaming. Furthermore, the inclusion of comprehensive connectivity options, such as built-in Wi-Fi, Ethernet, and multiple digital tuners, ensures that users can easily access both terrestrial and satellite broadcasts alongside internet-based content.
Suitable for
Watching high-definition movies and television series
Gaming with consoles that support 4K resolution
Streaming content from popular online platforms
Displaying high-quality digital media via screen mirroring
This television may not be the best choice for users who require a smaller screen size for compact spaces, as the 55-inch display is designed for medium to large rooms. Additionally, those who prioritize ultra-wide viewing angles for very large seating arrangements might find that standard flat-screen technology has limitations compared to specialized professional monitors.
Key specifications
Display diagonal: 139.7 cm (55 inches)
Resolution: 3840 x 2160 pixels (4K Ultra HD)
Display technology: Mini LED
Brightness: 2500 cd/m²
Response time: 5.7 ms
Connectivity: Wi-Fi, Ethernet, Bluetooth
Tuners: DVB-C, DVB-S2, DVB-T2
Mounting: VESA 400 x 400 mm
How to use
To begin using the TCL 55A400U, mount the television on a compatible VESA wall bracket or place it on a stable surface using the provided stand. Connect your power source and external devices such as gaming consoles or set-top boxes via the available ports. Upon powering on, follow the on-screen setup wizard to connect the device to your home Wi-Fi or Ethernet network. Once connected, you can sign in to your preferred streaming accounts and configure the digital tuners to scan for available broadcast channels.
What to consider before purchase
Ensure your furniture or wall mount supports the 55-inch screen size and weight.
Verify that your internet connection is stable enough to support 4K streaming.
Check the availability of your preferred streaming applications on the smart platform.
Confirm that your existing peripheral devices are compatible with the available input ports.
Usage recommendations: For the best visual experience, place the television at eye level and avoid direct sunlight hitting the screen. Regularly update the system software through the settings menu to ensure optimal performance and access to the latest features.

## Specifications

| Feature | Value |
|---|---|
| Wi-Fi standards | 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) |
| Battery technology | Alkaline |
| Products per pallet | 12 pc(s) |
| Package weight | 16500 g |
| Display diagonal | 55 " |
| Ethernet LAN | Yes |
| Display brightness | 2500 cd/m² |
| Response time | 5.7 ms |
| Analog signal format system | NTSC, PAL, SECAM |
| Display resolution | 3840 x 2160 |
| Product colour | Black |
| Cables included | AC |
| Equalizer | Yes |
| RMS rated power | 20 W |
| Bluetooth | Yes |
| Audio formats supported | MP3, WMA |
| Ethernet LAN (RJ-45) ports | 1 |
| DVI port | No |
| Energy saving mode | Yes |
| Tuner type | Analog & Digital |
| Image formats supported | BMP, HEIF, JPG, PNG |
| Digital audio optical out | 1 |
| Picture-in-Picture | Yes |
| Progressive scan | Yes |
| Operating system installed | Google TV |
| Wi-Fi | Yes |
| Country of origin | Poland |
| Game mode | Yes |
| Auto channel search | Yes |
| Teletext function | Yes |
| Number of tuners | 1 tuner(s) |
| Timeshift | No |
| Electronic Programme Guide (EPG) | Yes |
| PC in (D-Sub) | No |
| PC Audio in | No |
| AC (power) in | Yes |
| RF ports quantity | 1 |
| HDMI ports quantity | 4 |
| Common interface (CI) | Yes |
| Sleep timer | Yes |
| On/Off timer | Yes |
| Package depth | 122 mm |
| Package height | 875 mm |
| Package width | 1360 mm |
| Auto power off | Yes |
| Quick start guide | Yes |
| Warranty card | Yes |
| Panel mounting interface | 400 x 400 |
| Bluetooth profiles | A2DP, HID |
| Width (with stand) | 1228 mm |
| Display diagonal (metric) | 140 cm |
| Height (with stand) | 758 mm |
| Depth (with stand) | 295 mm |
| Firmware upgradeable | Yes |
| On Screen Display (OSD) languages | ALB, BUL, CRO, CZE, DAN, DEU, DUT, ENG, ESP, EST, FIN, FRE, GRE, HUN, ITA, LAV, LIT, MAC, NOR, POL, POR, RUM, RUS, SER, SLK, SLV, SWA, TUR, UKR |
| Master (outer) case height | 875 mm |
| Master (outer) case width | 1360 mm |
| Battery weight | 15 g |
| Desktop stand | Yes |
| Batteries included | Yes |
| HDMI version | 2.1 |
| HDCP | Yes |
| Browsing | Yes |
| Processor cores | 4 |
| On/off switch | Yes |
| LED backlight | Yes |
| Video formats supported | AVI, H.264, H.265, MKV, MP4, MPG, TS, VP9, WEBM, WMV |
| Number of OSD languages | 29 |
| 3D | No |
| Operating system version | 12.0 |
| Common interface Plus (CI+) | Yes |
| Subtitles function | Yes |
| Digital signal format system | DVB-C, DVB-S2, DVB-T2 |
| Built-in camera | No |
| Mounting kit | No |
| Audio Return Channel (ARC) | Yes |
| AC input frequency | 50 |
| AC input voltage | 220 - 240 |
| Consumer Electronics Control (CEC) | T-link |
| Internet TV | Yes |
| LED backlighting type | Mini LED |
| Wi-Fi ready | Yes |
| ECO mode | Yes |
| Motion interpolation technology | PPI (Picture Performance Index) 4200 |
| Display technology | LCD |
| Wi-Fi Direct | Yes |
| Google applications | Google Cast, Google Duo, Google Photos, Google Play Music, Google Play Movies, Google Play, YouTube |
| Smartphone/tablet remote support | Yes |
| Auto volume leveller | Yes |
| Smart TV | Yes |
| RF connector type | F, IEC |
| Package weight | 16.5 kg |
| Voice control | Yes |
| Native aspect ratio | 16:9 |
| HD type | 4K Ultra HD |
| Programming period | 8 day(s) |
| Weight (without stand) | 12100 g |
| Height (without stand) | 710 mm |
| Width (without stand) | 1228 mm |
| Depth (without stand) | 39.9 mm |
| Hybrid Broadcast Broadband TV (HbbTV) | Yes |
| Screen mirroring | Yes |
| 4K Ultra HD upscaling | Yes |
| Mobile High-Definition Link (MHL) | Yes |
| Hotel mode | No |
| USB recording | No |
| Video on Demand (VOD) support | Yes |
| VESA mounting | Yes |
| Video apps | Amazon Prime Video, Netflix, YouTube, Apple TV, Disney+, Google TV, HBO, HBO Max, PLEX, Paramount+, Twitch, Youtube TV |
| Music apps | Deezer, Spotify, TIDAL, YouTube Music, TuneIn |
| Sports apps | BBC Sports |
| Screen shape | Flat |
| Colour name | Black |
| Master (outer) case gross weight | 16500 g |
| Weight (with stand) | 12500 g |
| Pallet gross weight | 22080 g |
| NVIDIA G-SYNC | No |
| Pallet gross width | 1400 mm |
| Pallet gross length | 800 mm |
| Pallet gross height | 1877 mm |
| Pallet net weight | 22080 g |
| Common interface Plus (CI+) version | 1.4 |
| Picture processing technology | TCL AiPQ Pro Processor |
| Master (outer) case length | 122 mm |
| Products per master (outer) case | 1 pc(s) |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 1 |
| Ambient lighting | Yes |
| Dynamic contrast ratio marketing name | Mega Contrast |
| Web browser | Yes |
| E-manual | Yes |
| AMD FreeSync | Yes |
| Smart Remote included | Yes |
| Works with Amazon Alexa | Yes |
| Basic hotel mode | No |
| Native refresh rate | 144 Hz |
| High Dynamic Range (HDR) supported | Yes |
| Works with the Google Assistant | Yes |
| Energy efficiency scale | A to G |
| Enhanced Audio Return Channel (eARC) | Yes |
| Soundbar included | No |
| Apple HomeKit support | Yes |
| Apple AirPlay 2 support | Yes |
| Works with Samsung Bixby | No |
| High Dynamic Range (HDR) technology | Dolby Vision, Dolby Vision IQ, High Dynamic Range 10 (HDR10), Hybrid Log-Gamma (HLG) |
| Pallet net length | 800 mm |
| Pallet net width | 1400 mm |
| Pallet net height | 1877 mm |
| Manual languages | ALB, BUL, CRO, CZE, DAN, DEU, DUT, ENG, ESP, EST, FIN, FRE, GRE, HUN, ITA, LAV, LIT, MAC, NOR, POL, POR, RUM, RUS, SER, SLK, SLV, SWE, TUR, UKR |
| Works with Apple Siri | Yes |
| Built-in Chromecast | Yes |
| AMD FreeSync type | FreeSync Premium Pro |
| SmartThings app support | No |
| Digital Living Network Alliance (DLNA) certified | Yes |
| Energy efficiency class (SDR) | E |
| Energy efficiency class (HDR) | G |
| Energy consumption (SDR) per 1000 hours | 58 kWh |
| Energy consumption (HDR) per 1000 hours | 168 kWh |
| Game features | 4K HFR (High Frame Rate), Auto Low Latency Mode (ALLM), Variable Refresh Rate (VRR), Game Bar 4.0 |
| Calman Ready | Yes |
| Introduction year | 2026 |
| Adjustable cabinet stand | Yes |
| TV frame included | No |
| TV frame colour | Black |

## FAQ

### How much does the TCL 55A400U 55-inch 4K Ultra HD Smart TV cost, and is it available for purchase?

The price is 689.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 14 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 24.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment, Leasing for legal entities. All transactions are 100% secure and encrypted.

### Can TCL 55A400U 55-inch 4K Ultra HD Smart TV be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All TCL products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized TCL service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### Where can I download the instructions for TCL 55A400U 55-inch 4K Ultra HD Smart TV?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/12549440/68932552_large.webp