# TCL A400 55A400 55-inch 4K Ultra HD Smart TV with QD-Mini LED and Wi-Fi

**URL:** https://aio.lv/en/product--tcl-55a400--12481708
**Data updated:** 2026-05-27 17:58 (EEST)
**Category:** Televisions
**Manufacturer:** TCL
**Manufacturer code:** 55A400
**EAN:** 5901292530150
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 572.49 €
**Prices and availability valid until:** 2026-07-12 23:59
**Price without VAT (21%):** 473.13 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--tcl-55a400--12481708

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 30.06.2026 | free |
| Courier delivery to door | 03.07.2026 | 13.04 EUR |

## Summary description

The TCL A400 55A400 is a 55-inch 4K Ultra HD Smart TV featuring advanced QD-Mini LED display technology for superior contrast and brightness. With a resolution of 3840 x 2160 pixels, a 5.7 ms response time, and a 4500 PPI motion index, it delivers smooth, detailed visuals. Equipped with DVB-T2/C/S2 tuners, Wi-Fi, and Ethernet connectivity, this flat-screen TV provides a comprehensive home entertainment experience.

## Long description

The TCL A400 55-inch 4K Ultra HD Smart TV combines advanced QD-Mini LED display technology with a sleek, flat-screen design to deliver a premium viewing experience. With a resolution of 3840 x 2160 pixels, this television provides sharp, detailed imagery, while the 600 cd/m² brightness and 4500 PPI motion index ensure vibrant colors and smooth transitions during fast-paced action. Integrated smart features and wireless connectivity options make it a versatile hub for modern home entertainment.
Advantages
The primary benefit of this model is its QD-Mini LED backlighting, which offers superior contrast and brightness compared to standard LED displays. The inclusion of a high motion performance index ensures that sports and action movies remain clear without blurring. Furthermore, the smart functionality allows for seamless access to streaming services and internet content, while the wide range of integrated digital tuners ensures compatibility with various broadcast signals without the need for external equipment.
Suitable for
Streaming high-definition movies and series
Gaming with low response time requirements
Watching live sports broadcasts
General family home entertainment
This television may not be the ideal choice for users seeking an ultra-compact display for small spaces, as the 55-inch screen requires a dedicated viewing area. Additionally, while it offers high-quality visuals, professional colorists or users requiring specialized monitor features for creative work may find that a dedicated professional display better suits their specific technical needs.
Key specifications
Screen size: 55 inches (139.7 cm)
Resolution: 4K Ultra HD (3840 x 2160 pixels)
Display technology: QD-Mini LED
Brightness: 600 cd/m²
Response time: 5.7 ms
Motion index: 4500 PPI
Connectivity: Wi-Fi, Ethernet LAN, Bluetooth
Tuners: DVB-T2, DVB-C, DVB-S2
VESA mounting: 400 x 400 mm
To begin using the TV, mount it securely on a compatible VESA wall bracket or place it on a stable surface. Connect your power source and antenna or satellite cable to the appropriate ports on the back. Upon powering on, follow the on-screen setup wizard to connect the device to your home Wi-Fi network and configure your preferred streaming accounts. You can then navigate the interface using the remote control to access your favorite applications and settings.
What to consider before purchase
Ensure your viewing distance is appropriate for a 55-inch 4K screen.
Verify that your wall mount supports the 400 x 400 mm VESA standard.
Check the availability of your preferred streaming apps in the smart platform.
Confirm that your internet connection is stable for 4K streaming.
For the best visual experience, ensure the TV is placed away from direct sunlight to minimize glare and calibrate the picture settings to match the lighting conditions of your room.

## Specifications

### Display

| Feature | Value |
|---|---|
| Display diagonal | 55 " |
| Display diagonal (metric) | 140 cm |
| HD type | 4K Ultra HD |
| Display technology | LCD |
| LED backlighting type | QD-Mini LED |
| Display resolution | 3840 x 2160 |
| LED backlight | Yes |
| Screen shape | Flat |
| Display brightness | 600 cd/m² |
| Response time | 5.7 ms |
| Screen format adjustments | 4:3, 16:9, Zoom |
| Progressive scan | Yes |
| Motion interpolation technology | PPI (Picture Performance Index) 4500 |
| Display refresh rates supported | 48 Hz, 120 Hz, 144 Hz, 288 Hz |
| Dynamic contrast ratio marketing name | Mega Contrast |
| Native refresh rate | 144 Hz |
| Native aspect ratio | 16:9 |

### Smart TV

| Feature | Value |
|---|---|
| Smart TV | Yes |
| Internet TV | Yes |
| Operating system installed | Google TV |
| Operating system version | 12.0 |
| Video on Demand (VOD) support | 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 |
| Lifestyle apps | Google Apps |
| Apple AirPlay 2 support | Yes |
| Hybrid Broadcast Broadband TV (HbbTV) | Yes |
| Screen mirroring | Yes |

### Ports & interfaces

| Feature | Value |
|---|---|
| HDMI version | 2.1 |
| HDMI ports quantity | 4 |
| Ethernet LAN (RJ-45) ports | 1 |
| DVI port | No |
| PC in (D-Sub) | No |
| AC (power) in | Yes |
| Digital audio optical out | 1 |
| PC Audio in | No |
| RF ports quantity | 1 |
| Common interface (CI) | Yes |
| HDCP | Yes |
| Common interface Plus (CI+) | Yes |
| Audio Return Channel (ARC) | Yes |
| RF connector type | F, IEC |
| Common interface Plus (CI+) version | 1.4 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 1 |
| Consumer Electronics Control (CEC) | T-link |

### Network

| Feature | Value |
|---|---|
| Wi-Fi | Yes |
| Wi-Fi standards | Wi-Fi 5 (802.11ac) |
| Ethernet LAN | Yes |
| Bluetooth | Yes |
| Browsing | Yes |
| Wi-Fi Direct | Yes |
| Web browser | Yes |
| Bluetooth profiles | A2DP, HID |

### Audio

| Feature | Value |
|---|---|
| Enhanced Audio Return Channel (eARC) | Yes |
| Equalizer | Yes |
| RMS rated power | 20 W |
| Auto volume leveller | Yes |

### TV tuner

| Feature | Value |
|---|---|
| Analog signal format system | NTSC, PAL, SECAM |
| Tuner type | Analog & Digital |
| Auto channel search | Yes |
| Number of tuners | 1 tuner(s) |
| Digital signal format system | DVB-C, DVB-S2, DVB-T2 |

### Technical details

| Feature | Value |
|---|---|
| Picture-in-Picture | Yes |

### Power

| Feature | Value |
|---|---|
| Energy efficiency class (SDR) | E |
| Energy efficiency class (HDR) | G |
| Energy consumption (SDR) per 1000 hours | 63 kWh |
| Energy consumption (HDR) per 1000 hours | 115 kWh |
| AC input frequency | 50 |
| AC input voltage | 220 - 240 |
| Energy efficiency scale | A to G |
| Energy saving mode | Yes |

### Design

| Feature | Value |
|---|---|
| Product colour | Black |
| Panel mounting interface | 400 x 400 |
| On/off switch | Yes |
| VESA mounting | Yes |
| Colour name | Black |
| Introduction year | 2026 |

### Other features

| Feature | Value |
|---|---|
| Apple HomeKit support | Yes |
| Video compression formats | AVI, H.264, H.265, MKV, MP4, MPG, TS, VP9, WEBM, WMV |
| Country of origin | Poland |
| Built-in camera | No |
| Google applications | Google Home |
| Voice control | Yes |
| Mobile High-Definition Link (MHL) | Yes |
| Digital Living Network Alliance (DLNA) certified | Yes |
| Warranty period | 2 year(s) |

### Performance

| Feature | Value |
|---|---|
| Game mode | Yes |
| Image gallery | Yes |
| Processor cores | 4 |
| Smartphone/tablet remote support | Yes |
| USB recording | No |
| NVIDIA G-SYNC | No |
| Picture processing technology | TCL AiPQ Pro Processor |
| Ambient lighting | No |
| AMD FreeSync | Yes |
| Multi-screen | Yes |
| High Dynamic Range (HDR) supported | Yes |
| High Dynamic Range (HDR) technology | Dolby Vision, Dolby Vision IQ, High Dynamic Range 10 (HDR10), Hybrid Log-Gamma (HLG) |
| AMD FreeSync type | FreeSync Premium Pro |
| SmartThings app support | No |
| Game features | 4K HFR (High Frame Rate), Auto Low Latency Mode (ALLM), Variable Refresh Rate (VRR), Game Bar 4.0 |
| Calman Ready | Yes |

### Weight & dimensions

| Feature | Value |
|---|---|
| Width (with stand) | 1228 mm |
| Height (with stand) | 758 mm |
| Depth (with stand) | 295 mm |
| Weight (without stand) | 12100 g |
| Height (without stand) | 710 mm |
| Width (without stand) | 1228 mm |
| Depth (without stand) | 39.9 mm |
| Weight (with stand) | 12500 g |

### Battery

| Feature | Value |
|---|---|
| Battery technology | Alkaline |
| Battery weight | 15 g |

### Management features

| Feature | Value |
|---|---|
| Electronic Programme Guide (EPG) | Yes |
| Sleep timer | Yes |
| On/Off timer | Yes |
| Auto power off | Yes |
| 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 |
| Parental control | Yes |
| Number of OSD languages | 29 |
| ECO mode | Yes |
| Programming period | 8 day(s) |
| Hotel mode | No |
| Works with Amazon Alexa | Yes |
| Basic hotel mode | No |
| Works with the Google Assistant | Yes |
| Works with Samsung Bixby | No |
| Works with Apple Siri | Yes |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 16500 g |
| Package depth | 122 mm |
| Package height | 875 mm |
| Package width | 1360 mm |
| Package weight | 16.5 kg |

### Packaging content

| Feature | Value |
|---|---|
| Cables included | AC |
| Desktop stand | Yes |
| Mounting kit | No |
| E-manual | Yes |
| Smart Remote included | Yes |
| Soundbar included | No |
| 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 |
| Adjustable cabinet stand | Yes |
| TV frame included | No |

### Logistics data

| Feature | Value |
|---|---|
| Products per pallet | 12 pc(s) |
| Master (outer) case height | 875 mm |
| Master (outer) case width | 1360 mm |
| Master (outer) case gross weight | 16500 g |
| Pallet gross weight | 220080 g |
| Pallet gross width | 1400 mm |
| Pallet gross length | 800 mm |
| Pallet gross height | 1877 mm |
| Pallet net weight | 220080 g |
| Master (outer) case length | 122 mm |
| Products per master (outer) case | 1 pc(s) |
| Products per pallet layer | 6 pc(s) |
| Pallet net length | 800 mm |
| Pallet net width | 1400 mm |
| Pallet net height | 1877 mm |

### Certificates

| Feature | Value |
|---|---|
| Digital Living Network Alliance (DLNA) specification | DMR |

### Features

| Feature | Value |
|---|---|
| Timeshift | No |
| Teletext function | Yes |
| Subtitles function | Yes |
| 4K Ultra HD upscaling | Yes |

### File formats

| Feature | Value |
|---|---|
| Audio formats supported | MP3, WMA |
| Image formats supported | BMP, HEIF, JPG, PNG |
| Video formats supported | AVI, H.264, H.265, MKV, MP4, MPG, TS, VP9, WEBM, WMV |

## FAQ

### How much does the TCL A400 55A400 55-inch 4K Ultra HD Smart TV cost, and is it available for purchase?

The price is 572.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 20 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 30.06.2026 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. All transactions are 100% secure and encrypted.

### Can TCL A400 55A400 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

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: display diagonal, display diagonal (metric), hd type, display technology, led backlighting type, display resolution, operating system installed, wi-fi, energy efficiency class (sdr), energy efficiency class (hdr), energy consumption (sdr) per 1000 hours, energy consumption (hdr) per 1000 hours, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

### Where can I download the instructions for TCL A400 55A400 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/12481708/68808718_large.webp