TCL 50-Inch Class S4 4K LED Smart TV Review

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TCL 50-Inch Class S4 4K LED Smart TV Review

The TCL 50-inch Class S4 4K LED Smart TV is making waves in the world of home entertainment. This TV combines cutting-edge technology with an affordable price, making it an excellent choice for those looking to upgrade their viewing experience. In this comprehensive review, we'll delve into the features, performance, and benefits of the TCL 50S450R, the 2023 model, to help you make an informed decision.

TCL 50-Inch Key Features

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1.Key Features

1.1 4K Ultra HD Resolution

One of the standout features of this TV is its 4K Ultra HD resolution. With four times the resolution of traditional 1080p Full HDTVs, it offers an incredible level of detail. Whether you're watching movies, streaming content, or playing video games, you'll be immersed in the clarity and lifelike visuals that 4K provides. The colors are vivid, and the images are razor-sharp, enhancing your viewing experience to a whole new level.

1.2 HDR Pro (Dolby Vision, HDR10, & HLG)

This TCL Smart TV supports multiple advanced High Dynamic Range (HDR) formats, including Dolby Vision, HDR10, and Hybrid Log-Gamma (HLG).HDR technology improves contrast color accuracy and reveals hidden details. With Dolby Vision, you can experience cinematic visuals with stunning realism. When watching movies or TV shows, the TV's HDR capabilities bring content to life.

1.3 Motion Rate 120

To improve motion clarity and reduce motion blur, the TCL 50S450R incorporates Motion Rate 120 technology. This feature combines various motion enhancement technologies, making fast-paced action scenes smoother and more enjoyable. It's perfect for sports enthusiasts and gamers, as it ensures that motion remains clear and fluid, even during intense sequences.

1.4 Dolby Atmos

For an immersive cinematic experience at home, this TV comes with Dolby Atmos built-in. Dolby Atmos technology creates a three-dimensional sound experience, allowing you to hear sounds from all directions, including from above. It's as if you're right in the middle of the action, whether you're watching an action movie, a concert, or playing video games. The TV's audio capabilities match its outstanding visual quality.

1.5 Auto Game Mode (ALLM)

Gaming enthusiasts will appreciate the Auto Game Mode (ALLM), a feature that automatically enables game mode when you connect a gaming console. Game mode minimizes input lag and latency, ensuring that your gaming performance is unmatched. You won't have to worry about delayed response times when playing your favorite games.

1.6 FullView Metal Bezel-less Design

The TCL S4 series TV boasts an elegant FullView metal bezel-less design. The edge-to-edge glass design offers a modern and sleek appearance that seamlessly blends into any home decor. The bezel-less design maximizes the screen-to-body ratio, giving you an immersive viewing experience. This TV not only delivers exceptional performance but also enhances the aesthetics of your living space.

1.7 Direct LED Backlight

Unlike edge-lit TVs, the TCL 50S450R features a direct LED backlight. This technology provides better brightness uniformity and picture performance. With direct LED backlighting, you'll experience more consistent and vibrant colors, making your content look stunning, whether you're watching in a bright room or a dimly lit environment.

TCL 50-Inch Design and Build Quality

2.Design and Build Quality

When it comes to choosing a TV, aesthetics matter just as much as performance. The TCL 50-inch Class S4 4K LED Smart TV doesn't disappoint in this department. Let's take a closer look at its design and build quality.

2.1 Sleek and Modern Design

The TCL S4 series TV is designed with a sleek and modern aesthetic in mind. Its bezel-less design is a showstopper. With edge-to-edge glass, the TV exudes elegance and contemporary style. The virtually frameless screen maximizes the viewing area, making you feel like you're fully immersed in your favorite content. Whether it's mounted on the wall or placed on a TV stand, it will undoubtedly enhance the visual appeal of your living space.

The slim bezels also ensure that you're getting more screen and less distraction, creating a cinematic experience in your own home. The TV's minimalist design allows it to seamlessly blend with various interior decor styles, from classic to modern.

2.2 Sturdy Stand

The TCL 50S450R comes with a sturdy and well-designed stand. The stand not only complements the TV's aesthetics but also provides reliable support. You can confidently place your TV on a media console or TV stand without concerns about stability. The stand's design is thoughtful and functional, allowing for a hassle-free setup. Its solid construction ensures your TV stays securely in place, even in high-traffic areas.

If you prefer a clean and space-saving look, mount your TV on the wall with its VESA compatibility. The TV has a slim 2.3 profile.

In addition to its bezel-less design, the TCL 50-inch Class S4 4K LED Smart TV boasts a slim profile. Its slender dimensions make it an ideal choice for rooms with limited space. Whether you're placing it in a bedroom, living room, or even a home office, the TV's slim build won't dominate the room. It's designed to be unobtrusive, ensuring that your focus remains on the stunning visuals it delivers.

3. Picture Quality

The picture quality of a TV is often the most critical aspect, and the TCL 50-inch Class S4 4K LED Smart TV doesn't disappoint in this department. Let's explore the details of its picture quality.

3.1 4K Ultra HD Clarity

One of the standout features of this TV is its 4K Ultra HD resolution. With four times the resolution of standard 1080p Full HDTVs, this TV provides an exceptional level of clarity and detail. It's like having a movie theater experience in the comfort of your own home. Whether you're watching your favorite films, streaming content, or playing video games, you'll be captivated by the crispness and lifelike visuals that 4K delivers.

The 4K resolution ensures that even the smallest details in your content are vividly presented. Whether it's the intricate patterns in a dress, the fine texture of a landscape, or the subtle expressions on a character's face, you won't miss a thing. This level of detail enhances your overall viewing experience and immerses you in the world on the screen.

3.2 HDR Enhancements

To elevate the viewing experience further, the TCL 50S450R supports multiple advanced High Dynamic Range (HDR) formats, including Dolby Vision, HDR10, and Hybrid Log-Gamma (HLG). HDR technology enhances the contrast between the darkest and brightest parts of the image, providing more accurate and true-to-life colors.

Dolby Vision, in particular, takes HDR to the next level by fine-tuning the visuals scene by scene. The result is an incredibly dynamic image, with highlights that pop and shadows that are rich in detail. Whether you're watching a visually stunning blockbuster movie or a breathtaking nature documentary, the TV's HDR capabilities will make the content come to life in ways you've never experienced before.

3.3 Motion Clarity

For those who love fast-paced action movies, sports, and gaming, motion clarity is a crucial factor. The TCL 50-inch Class S4 4K LED Smart TV features Motion Rate 120 technology. This innovation combines multiple motion enhancement technologies to ensure that motion remains clear and fluid. It effectively reduces motion blur, making even the fastest-moving scenes look smooth and engaging.

TCL 50-Inch Audio Performance

4. Audio Performance

The TCL 50-inch Class S4 4K LED Smart TV offers various features to deliver a high-quality audio experience, which is just as important as its visual performance.

4.1 Dolby Atmos Immersion

One of the standout features in the audio department is the presence of Dolby Atmos technology. Dolby Atmos is well-known for its exceptional ability to produce a three-dimensional sound experience. Let me know if you need further assistance with anything else! It goes beyond traditional surround sound, allowing you to hear sounds from all directions, including from above. This level of audio immersion is a game-changer, providing an audio experience that matches the stunning visuals on the screen.

Whether you're watching an action-packed movie with explosions and helicopters flying overhead or enjoying a musical performance, Dolby Atmos enhances the realism of the audio. It's as if you're right in the middle of the action, and every sound is precisely located in the virtual 3D space. This level of audio quality elevates your overall viewing experience to a cinematic level, making your home theater feel like a true entertainment haven.

4.2 DTS Virtual:X Support

In addition to Dolby Atmos, the TCL 50S450R also supports DTS Virtual:X. DTS Virtual:X is an audio technology that provides virtualized 3D sound, all while using only the TV's built-in speakers. This means you don't need external audio equipment to experience a rich and expansive audio environment. The TV creates the illusion of audio coming from various directions, making your audio experience dynamic and engaging.

With DTS Virtual:X, you'll enjoy clear dialogues, impactful sound effects, and an overall immersive audio experience. It's an excellent feature for those who want to keep their entertainment setup simple without compromising on audio quality.

4.3 TV Speaker Quality

Beyond the advanced audio technologies, the TV's built-in speakers themselves are of high quality. They deliver clear and well-balanced audio. Whether you're watching a dialogue-heavy drama, an action movie, or a sports event, you can count on the TV's speakers to provide excellent sound quality.

5. Gaming Experience

The TCL 50-inch Class S4 4K LED Smart TV is not only an excellent choice for movie and TV show enthusiasts, but it's also a great option for gamers. It comes equipped with features that enhance the gaming experience, making it a versatile entertainment hub.

5.1 Auto Game Mode

The Auto Game Mode (ALLM) is a feature that has revolutionized gaming. It automatically detects when you have connected a gaming console, like a PlayStation or Xbox, and switches to game mode. Game mode is specifically designed to minimize input lag and latency, thus ensuring that your gaming performance is optimized and at its best.

Input lag can be a major frustration for gamers, as it can lead to a delay between your actions and what you see on the screen. With Auto Game Mode, this delay is minimized, providing a responsive and immersive gaming experience. You won't miss a beat whether you're playing fast-paced action games, first-person shooters, or sports simulations.

5.2 Low Latency

The TCL 50S450R features Auto Game Mode and low latency, making it a perfect display for gamers who need a responsive display to match their real-time actions. With low latency, the delay between your actions and the display showing them is minimized, making it ideal for online competitions, playing with friends, or solo adventures.

This TV's low latency enhances the overall gaming experience, making it an attractive option for gamers who want to immerse themselves in their gaming world without any frustrating delays.

5.3 Gaming Performance

Gaming performance on the TCL 50-inch Class S4 4K LED Smart TV is top-notch. The combination of 4K Ultra HD resolution and HDR enhancements ensures that games are displayed in stunning detail and vibrant colors. Every visual element, from character models to in-game environments, looks lifelike and immersive.

6. Smart TV Capabilities

The TCL 50-inch Class S4 4K LED Smart TV not only delivers exceptional picture and audio quality but also boasts a range of smart features that enhance your entertainment experience.

6.1 Roku TV Integration

One of the standout features of this TV is its integration with Roku TV. Roku is a well-known and highly regarded platform for streaming content. With Roku TV built into the TCL 50S450R, you have access to a vast library of streaming channels and apps. This includes popular services like Netflix, Amazon Prime Video, Hulu, Disney+, and many more.

The Roku interface is designed to be user-friendly, providing a seamless experience for browsing and selecting content. You can quickly locate your preferred movies, TV shows, and apps and even personalize your home screen to prioritize your favorite content. Additionally, Roku's universal search feature simplifies discovering new content across multiple streaming platforms.

6.2 Streaming Apps

In addition to Roku TV, the TCL 50-inch Class S4 4K LED Smart TV comes with a wide range of pre-installed streaming apps. You can access these apps directly from your TV, saving you the trouble of purchasing and installing them separately. Whether you're into binge-watching TV series, staying updated with the latest news, or enjoying kid-friendly content, this TV has something for everyone.

Thanks to modern technology, watching your favorite TV shows and movies has become more convenient than ever before. Popular streaming services like Netflix, Hulu, and YouTube provide easy access to high-quality content. With support for 4K Ultra HD resolution and HDR technology, modern TVs offer an immersive and unforgettable viewing experience. Additionally, many of these TVs are compatible with voice assistants, allowing you to control your TV with simple voice commands, making it more enjoyable.

Smart TVs are integrating voice control to make it easier for users to operate them. The TCL 50-inch Class S4 4K LED Smart TV is no exception, providing compatibility with popular voice assistants like Amazon Alexa, Google Assistant, and Apple HomeKit. You can use this feature to control your TV, search for content, adjust settings, and much more with a simple voice command.

For example, if you're using Amazon Alexa, you can ask the TV to switch inputs, adjust the volume, or search for specific content without having to pick up the remote. The TV's voice assistant compatibility adds a layer of convenience to your entertainment experience.

6.3 Apple HomeKit Support

If you are a part of the Apple ecosystem, you will be pleased to know that the TCL 50S450R television supports Apple HomeKit. This makes it effortless for you to integrate the TV with your other Apple devices, and you can easily control it from your iPhone, iPad, or Apple Watch. The Apple Home app can be used to manage the TV, adjust its settings, and even include it in your automation routines.

7. Installation and Setup

Setting up a new TV can be a crucial aspect of the overall experience. Let's explore the installation and setup process of the TCL 50-inch Class S4 4K LED Smart TV.

7.1 Quick and Easy Installation

The TCL 50-inch Class S4 4K LED Smart TV is designed for quick and easy installation. The TV is relatively lightweight and comes with a user-friendly setup process. Whether you're mounting it on the wall or placing it on a TV stand, you'll find that the entire installation process is straightforward.

The TV's slim profile and design make it easy to maneuver, even in tight spaces. Setting it up in your living room, bedroom, or any other location is a hassle-free experience. In no time, you'll have your TV ready for action, and you can start enjoying your favorite content.

7.2 Remote Control Functionality

The TV comes with a remote control that's intuitive and functional. The remote allows you to navigate through the TV's menus, access streaming apps, adjust settings, and control the TV with ease. It's user-friendly and designed to make your interaction with the TV as smooth as possible.

The TV comes with both a physical remote control and voice control capabilities. This means that you can use your voice to search for content, control your television, or interact with compatible voice assistants. The voice control feature adds an extra level of convenience to the TV, making it easy and enjoyable to find your favorite content and watch it without any hassle.

7.3 User-Friendly Interface

The TV's on-screen interface is designed to be user-friendly and intuitive. Whether you're configuring settings, browsing streaming apps, or adjusting picture and audio preferences, the interface provides a straightforward and hassle-free experience.

Roku TV provides an extensive range of streaming content and a well-organized menu system, making it easy for you to find your favorite shows, movies, and apps. You can customize your home screen and prioritize the content you enjoy the most, ensuring a seamless viewing experience.

8. Size Options and Pricing

When choosing a TV, the available size options and pricing are significant factors to consider. Let's explore the size options, pricing, and overall value for money that the TCL 50-inch Class S4 4K LED Smart TV offers.

8.1 50-Inch and 43-Inch Models

The TCL 50-inch Class S4 4K LED Smart TV is available in two popular size options, 50 inches and 43 inches. This variety in size ensures that you can select the TV that best suits your space and viewing preferences.

1. 50-Inch Model: The 50-inch model is an ideal choice for those who want a larger and more immersive viewing experience. This size is perfect for larger living rooms and home theaters. It provides a captivating and cinematic feel to your entertainment.

2. 43-Inch Model: The 43-inch model is a more compact option that's suitable for smaller rooms or spaces with limited wall or stand space. It's a great choice for bedrooms, offices, or smaller apartments, providing a high-quality viewing experience without overwhelming the room.

Having the choice between these two sizes allows you to select the TV that perfectly fits your needs and space requirements.

8.2 Pricing Options

Pricing is often a crucial consideration when purchasing a TV. The TCL 50-inch Class S4 4K LED Smart TV offers competitive pricing, making it accessible to a wide range of consumers. At the time of this review, the 50-inch model is priced at $279.99, which is a 20% discount from its list price of $349.99. This pricing makes it an attractive option for those who want a high-quality 4K smart TV without breaking the bank.

Additionally, the 43-inch model is available at a slightly lower price of $269.99, providing even more affordability for those who prefer a smaller screen.

8.3 Value for Money

In terms of value for money, the TCL 50-inch Class S4 4K LED Smart TV offers a compelling package. It combines a range of premium features, including 4K Ultra HD resolution, support for multiple HDR formats, Dolby Atmos audio, and gaming enhancements. The TV's smart capabilities, such as Roku TV integration and voice assistant compatibility, further enhance its value.

9 Compare with similar items

When it comes to modern entertainment, owning the right television can significantly enhance your viewing experience. Two compelling options in the market are the Hisense 50-Inch Class R6 Series 4K UHD Smart Roku TV, and the TCL 40-Inch Class S3 1080p LED Smart TV with Roku TV. Both of these TVs offer a range of features that are designed to take your viewing experience to the next level. In this article, we will take a closer look at what each of these TVs has to offer.

1. Hisense 50-Inch Class R6 Series 4K UHD Smart Roku TV:

Hisense 50-Inch Class R6 Series 4K UHD Smart Roku TV
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Key Features

1. 4K Ultra HD: With over 8.3 million pixels and a powerful backlight, it delivers a sharper and more colorful picture. It has over four times the resolution of a regular 1080p high-definition screen.

2. Roku TV Operating System: Experience thousands of free and paid channels with Roku TV, allowing you to stream movies, TV shows, live news, sports, and more with ease.

3. Voice Control: Easily control your TV and smart home with Google Assistant or Alexa devices (sold separately) via voice commands.

4. Dolby Vision HDR and HDR10: These image technologies bring cinematic realism to your home, providing amazing realism in both visuals and audio.

5. Motion Rate 120: Enjoy fast-paced content like sports, movies, and 4K gaming without lag.

Pros & Cons:

✅4K Ultra HD resolution for sharp and colorful visuals.
Integration with the Roku TV Operating System for streaming convenience.
Voice control compatibility with Google Assistant and Alexa devices.

❌Limited size options (50-inch and 43-inch).
The higher price point compared to some competitors.
Some users may prefer a larger screen for a more immersive experience.

2. TCL 40-Inch Class S3 1080p LED Smart TV:

TCL 40-Inch Class S3 1080p LED Smart TV
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Key Features

1. 1080p Full HD Resolution: Experience your favorite content in stunning high-definition picture quality with enhanced clarity and detail.

2. FullView Metal Bezel-less Design: This elegant edge-to-edge glass design blends seamlessly into any home decor.

3. Direct LED Backlight: Enjoy better brightness uniformity and picture performance compared to edge-lit TVs.

4. Dynamic Contrast: Optimize on-screen content for improved image quality with enhanced contrast.

5. Game Mode: Experience gaming at the lowest possible input lag and latency for better gaming performance.

6. Roku TV Smart OS: Access a wide selection of free entertainment, including popular TV shows, hit movies, live TV channels, and more.

Pros & Cons:

Full HD 1080p resolution for enhanced clarity and detail.
Sleek FullView Metal Bezelless Design for a modern look.
Game Mode for a better gaming experience with low input lag.

Limited to a 40-inch screen size.
Lower resolution compared to 4K TVs.
Some may desire the advanced HDR support of higher-end models.

Customer Reviews


Title: Works for my needs

Date: October 9, 2023

Comments: "Hooked it up, turned it on and I have a very nice picture. Once you go through ROKU and TCL to do the final setup, everything works as it should. The picture is decent but not quite as good as the 6 series 55" we also have that has QLED."

George W Lindsay Jr

Title: Great picture, great value

Date: September 1, 2023

Comments: "Very nice picture quality. Extremely easy to set up. I connected it to my av receiver using the eARC hdmi port and the two automatically synced without me doing anything. The tv’s remote controls the volume and power from the receiver, which is convenient. I had no issues adding the set to my Roku account, it was quick and easy. This was a good purchase."

Amazon Customer

Title: Great tv

Date: September 9, 2023

Comments: "This tv has a stunning picture. The sound is very good also. I recommend this tv highly. It is a very good tv for the price. Buy it !!!" 

Frequently Asked Questions 

Q1: What are the key features of the TCL 50-inch Class S4 4K LED Smart TV? 

The key features of this TV include 4K Ultra HD resolution, HDR Pro with support for Dolby Vision, HDR10, and HLG, Motion Rate 120 for smooth motion, Dolby Atmos for immersive audio, Auto Game Mode for low latency gaming, a FullView Metal Bezel-less Design, and Direct LED Backlight for enhanced picture performance.

Q2: Is this TV compatible with voice assistants like Alexa and Google Assistant? 

Yes, the TCL 50S450R is compatible with popular voice assistants such as Alexa and Google Assistant. You can control the TV and perform various functions using voice commands.

Q3: Does the TV have built-in streaming apps, or do I need external devices for streaming? 

The TV has Roku TV integration, allowing direct streaming access to Netflix and Hulu without external devices.

Q4: What size options are available for the TCL 50-inch Class S4 4K LED Smart TV? 

This TV is available in two size options, 50 inches and 43 inches, allowing you to choose the size that best fits your space and preferences.

Q5: How easy is it to set up this TV, and does it come with a user-friendly interface? 

The TV is designed for quick and easy installation, and it comes with a user-friendly interface. The setup process is straightforward, whether you're mounting it on the wall or placing it on a stand. The on-screen interface is intuitive, making it easy to configure settings and access content.


The TCL 50-inch Class S4 4K LED Smart TV is a versatile entertainment hub with a range of impressive features. With 4K Ultra HD resolution, support for multiple HDR formats, Dolby Atmos audio, and gaming enhancements, it offers an exceptional viewing and gaming experience. Its integration with Roku TV, voice assistant compatibility, and Apple HomeKit support make it a comprehensive smart TV solution. Whether you're enjoying movies, TV shows, gaming, or streaming content, this TV delivers on multiple fronts.

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