TCL S425 55" Class HDR 4K UHD Smart LED TV

Model #55S425

TCL Warranty
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Video System NTSC
TV Tuner Yes - ATSC, Clear QAM


Power 16 W
Sound Stereo
Subwoofer None
Dolby Digital Yes


Battery Type 2 x AAA


Weight 27.1 lb / 12.29 kg With Stand26.7 lb / 12.11 kg Without Stand
Stand Dimensions 42.3" / 107.44 cm (Width)
Dimensions (W x H x D) 49.0 x 30.6 x 8.0" / 124.5 x 77.7 x 18.3 cm With Stand49.0 x 28.4 x 3.1" / 124.5 x 72.1 x 7.9 cm Without Stand
Operating/Storage Temperature Operating41 to 95°F (5 to 35°C)Humidity: 20 - 80%Storage5 to 113°F (-15 to 45°C)Humidity: 10 - 90%
Power Consumption Standby:


Display Colors 1.07 Billion
Panel Type LCD
Screen Size (Diagonal) 54.6"
Aspect Ratio 16:9
Pixel Resolution 3840 x 2160
HDR Compatibility HDR10


Operating System Roku TV
Wi-Fi Built-In
Supported Languages EnglishFrenchSpanish
Remote Control Yes
Wall Mounting 200 x 200mm
Virtual Assistant Support Amazon Alexa, Google Assistant


Input Ports 3 x HDMI – Audio, Video (Side)1 x RF Antenna – Audio, Video (Side)1 x RCA Composite – Video (Side)1 x RCA Stereo (L/R) – Audio (Side)
Primary Connectivity Location Display
Ethernet LAN
USB Ports 1 x USB 2.0 – Audio, Photo, Video (Side)
Output Ports 1 x TOSLINK Optical – Audio (Side)1 x 1/8" / 3.5 mm – Headphone (Side)
Expert Reviews
8 February 2019

Although the image quality is just "good enough," the S425 series is still an excellent choice for budget buyers focused on streaming and simplicity.

  • +

    The TCL S425 series is one of the least expensive smart TVs you can buy. Roku TV delivers the best smart TV experience on the market, with a simple, responsive user interface, thousands of apps and constant feature upgrades.

  • -

    It has worse picture than Vizio's E series TVs. 4K resolution and HDR don't deliver a substantial improvement in image quality.

9 August 2019

It wasn’t very long ago that we started reviewing TVs, and so far we’ve reviewed some amazing Samsung TVs that are amazing but pricey. We finally have our hands on something a bit more affordable, which many of you may be looking at, the TCL 55S425 4K HDR TV.

  • +

    Decent design, bezels aren't super slim but not bad, The display is very acceptable at this price point, Easy to setup and use, The sound quality is better than I expected, The TV seems snappy and responsive, The price is amazing for what you're getting here, plenty of value for the price, Viewing...

  • -

    Display's color isn't very punchy, it is very neutral, Blacks could be better, Glare can become an issue at some angles with the right light, The Roku interface isn't as polished as others, The Roku remote is too small and the volume buttons are hard to get to

Pc magazine.34972991
13 March 2019

If you're looking for an affordable 4K TV in a variety of sizes, TCL's 4-series is the line to beat.

  • +

    Affordable., Fairly accurate colors., Roku TV platform has lots of features.

  • -

    Dim panel., Color range isn't particularly wide.

User Reviews
29 August 2019

This tv was great when we bought it, but now here we are less than 6 months later and it takes almost 45 mins just to turn it on. We have tried new HDMI cords, different outlets, new batteries everything. I bought the warranty when I bought the TV but I was told this is not covered.

12 July 2020

I was very surprised with this product given the low price I paid on sale. I will certainly buy another of this manufacturer for my next purchase.

  • +

    Attractive, Durable, Easy To Set Up, Energy Efficient, Good Audio, Great Picture Quality, Simple Controls

Rc willey.33726516
6 August 2019

We're really happy with this tv... great price and nice quality

9 August 2019

It’s okay.... not gonna wow anyone. This tv came with the TCL 7.2 sound bar which was a total disappointment. Picture is okay at best. Easy to set up And for price I can’t complain. I’m only streaming from apps not watching any blue ray or anything. The Alexa interface is HORRIBLE.

24 September 2019

Seriously awesome tv for half the price and a well known name brand !! Honestly my brother is in app development/ computers and he suggested this was the one I got , I love it so much I just bought another TCL ! Roku tv already built in ! Super easy to set up and the picture is incredible!

3 weeks ago

Using as the main TV in our living room to replace an older smaller one

  • +

    Attractive, Durable, Easy To Set Up, Energy Efficient, Good Audio, Great Picture Quality, Simple Controls

18 May 2019

I purchased the 55 inch 4K model, and it is the best TV I have ever owned. It is lightweight, super fast, easy to setup, has great picture quality, and has a beautiful design. I have only one complaint, and it’s a big one: Roku shows you ads on your home screen.

19 January 2020

This TV is an incredible value, you will not find a better tv anywhere near this price point. We have had ours for a year and we love it. The only negative for us is it could be a tad brighter as we use it in a very sunny room. For 279.00 its just incredible

4 November 2019

Its ok

  • +

    Attractive, Easy To Set Up, Energy Efficient, Good Audio, Simple Controls

11 July 2019

This is not our first ROKU TV by TCL. We loved our 32inch so much that we knew we needed a second one but bigger for our living room. So we have our 32 in the master bedroom and the 55 in our living room. I MEAN you CANNOT beat the price for this BIG SCREEN!

Product Highlights
  • 4K UHD 3840 x 2160 LED Panel
  • HDR10 Compatibility
  • 120 Hz CMI Motion Enhancement Technology
  • Built-In Wi-Fi Connectivity
  • Screen Mirroring Technology
  • Roku TV OS for Apps
  • 3 x HDMI / 1 x USB
  • Works with Alexa and Google Assistant
  • Dolby Digital Plus
Average Expert Score
Average User Score
In The Box
  • TCL S425 55" Class HDR 4K UHD Smart LED TV
  • Remote Control
  • 2 x AAA Batteries
  • A/V Input Cable Adapter
  • Stand Assembly
  • Power Cable
  • Limited 1-Year Warranty
Still Have Questions?
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