TCL 55S551G 55-inch 4K UHD HDR LED Google TV
The TCL 55S551G is a 55-inch S5 Series 4K UHD HDR LED Smart TV with Google TV. It features a High Brightness Direct LED backlight, TCL AiPQ Processor with Deep Learning AI, Motion Rate 240 with MEMC Frame Insertion, and Game Accelerator 120 with up to 120Hz variable refresh rate.
Key Features
- 55-inch 4K Ultra HD LED display with 3840 × 2160 resolution.
- High Brightness Direct LED backlight with Full View metal bezel-less design.
- HDR PRO+ supports Dolby Vision, HDR10+, HDR10, and HLG.
- Game Accelerator 120 with VRR and Auto Game Mode (ALLM).
- Google TV with Chromecast, Apple AirPlay 2, Wi-Fi 5, and Bluetooth 5.2.
4K HDR Display
The 55S551G uses a 54.6-inch viewable LED display with a native 3840 × 2160 4K Ultra HD resolution. TCL specifies a 16:9 aspect ratio, 60Hz panel refresh rate, 1.07 billion display colors, and 178° horizontal and vertical viewing angles.
The High Brightness Direct LED backlight is paired with TCL's AiPQ Processor with Deep Learning AI, which processes color, contrast, and clarity for compatible 4K HDR content.
HDR and Motion Processing
HDR PRO+ supports Dolby Vision, HDR10+, HDR10, and HLG formats. Motion Rate 240 with MEMC Frame Insertion combines motion-enhancement technologies for improved perceived motion clarity.
Gaming Features
Game Accelerator 120 provides variable refresh rate operation up to 120Hz. Auto Game Mode using ALLM can automatically enable the TV's game mode when compatible gaming equipment is detected.
Google TV and Connectivity
The 55S551G uses Google TV as its smart operating system and includes a voice remote. Built-in Chromecast and Apple AirPlay 2 provide compatible casting options. The television supports Amazon Alexa, Google Assistant, and Apple HomeKit.
Wireless connectivity uses Wi-Fi 5 (802.11ac), while Bluetooth 5.2 provides compatible wireless-device connectivity. Physical connections include three HDMI inputs, one with eARC, USB 2.0, Ethernet, optical digital audio, headphone output, RF input, and composite A/V input.
Audio
The television provides 20W of audio output through two 10W speakers. Audio processing includes Dolby Atmos and Dolby Digital+, with DTS Virtual:X support for compatible content.
DC Supplies Product Note
The 55S551G has a 300 × 300mm VESA mounting pattern. TCL specifies M6 × 30 screws for the top mounting positions and M6 × 16 screws for the bottom positions. The model is specified with a one-year limited warranty.
Specifications
| Specification | Details |
|---|
| Brand | TCL |
| Part Number / MPN | 55S551G |
| Product Type | 4K UHD HDR LED Google TV |
| Screen Size | 55 inches |
| Viewable Display Size | 54.6 inches |
| Display Technology | Direct LED |
| Resolution | 3840 × 2160 4K Ultra HD |
| Aspect Ratio | 16:9 |
| Panel Refresh Rate | 60Hz |
| Motion Enhancement | Motion Rate 240 with MEMC Frame Insertion |
| Display Colors | 1.07 billion |
| Viewing Angle | 178° horizontal / 178° vertical |
| HDR | HDR PRO+; Dolby Vision; HDR10+; HDR10; HLG |
| Smart Platform | Google TV |
| Processor | TCL AiPQ Processor with Deep Learning AI |
| Gaming Refresh | Game Accelerator 120; VRR up to 120Hz |
| Audio Output | 20W (2 × 10W) |
| Audio Processing | Dolby Atmos; Dolby Digital+; DTS Virtual:X |
| HDMI | 3 × HDMI, including 1 × eARC |
| USB | 1 × USB 2.0 |
| Ethernet | 1 |
| Wireless | Wi-Fi 5 (802.11ac); Bluetooth 5.2 |
| Optical Audio | 1 × SPDIF digital optical output |
| Headphone Output | 1 |
| VESA Mount | 300 × 300mm |
| Dimensions with Stand | 48.2 × 30.0 × 10.8 inches |
| Dimensions without Stand | 48.2 × 27.9 × 2.7 inches |
| Weight with Stand | 23.6 lb |
| Weight without Stand | 23.2 lb |
| Standby Power | <0.5W |
| Warranty | 1-year limited warranty |
Frequently Asked Questions
What resolution does the TCL 55S551G support?
The 55S551G has a native 3840 × 2160 4K Ultra HD resolution.
What is the panel refresh rate?
The native panel refresh rate is 60Hz, while Game Accelerator 120 supports VRR operation up to 120Hz.
Which HDR formats are supported?
The 55S551G supports Dolby Vision, HDR10+, HDR10, and HLG through HDR PRO+.
What smart TV platform does the 55S551G use?
The television uses Google TV and supports Chromecast and Apple AirPlay 2.
How many HDMI inputs are included?
The 55S551G has three HDMI inputs, including one with eARC support.
Does the TCL 55S551G support VESA mounting?
Yes. It uses a 300 × 300mm VESA mounting pattern.
