TCL 43-Inch Class S4 4K LED Smart TV (43S450R) Review: An In-Depth Look

For years, I found myself tethered to an aging television, constantly struggling with dull visuals, sluggish performance, and a frustrating lack of modern smart features. It was more than just an inconvenience; it meant missing out on the vibrant detail of 4K content, grappling with endless buffering, and being unable to seamlessly access my favorite streaming services. This problem truly needed solving, as the alternative was a perpetually subpar entertainment experience that dampened movie nights and gaming sessions alike. Upgrading would have made a world of difference. The journey led me to consider the TCL 43-Inch Class S4 4K LED Smart TV with Roku TV (43S450R, 2023 Model), a solution that promised to revitalize my home entertainment.

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TCL 43-Inch Class S4 4K LED Smart TV with Roku TV (43S450R, 2023 Model), Dolby Vision, HDR, Dolby...
  • 4K Ultra HD Resolution: Experience incredible detail with 4X the resolution of 1080p Full HDTVs.
  • HDR PRO (Dolby Vision, HDR10, & HLG): Enjoy enhanced contrast, accurate colors and fine details utilizing all the most advanced HDR formats.
  • Motion Rate 120: Combines multiple motion enhancement technologies for improved motion clarity

Key Considerations Before Purchasing a Smart Television

Smart televisions have become the cornerstone of modern home entertainment, offering a gateway to an almost infinite array of content, enhanced picture quality, and integrated streaming capabilities. One seeks to buy such an item to escape the limitations of traditional cable, embrace on-demand viewing, and experience media with superior visual and auditory fidelity.

The ideal customer for a 4K Smart TV is typically someone who enjoys streaming movies and TV shows, engages in casual gaming, or simply wants a reliable, feature-rich display for everyday viewing. They value convenience, a wide selection of apps, and good picture quality without breaking the bank. This product category is perfect for those upgrading from an older, non-smart TV or looking to add a secondary display to a bedroom or office.

However, certain individuals might find this specific product category less suitable. For instance, hardcore competitive gamers who demand refresh rates exceeding 120Hz or support for advanced features like VRR (Variable Refresh Rate) might need to explore higher-end models. Professional videographers or calibration enthusiasts seeking absolute color accuracy and peak brightness for dedicated home theater setups might also prefer premium OLED or QLED displays. Those with extremely bright living spaces might also find that general LED TVs struggle with glare and overall luminosity in such environments. Instead, these users might consider TVs with advanced anti-glare coatings or significantly higher nits of brightness.

Before making a purchase, prospective buyers should consider several key factors: the desired screen size (appropriate for your viewing distance and room size), resolution (4K is standard now), HDR format support (Dolby Vision, HDR10, HLG are common), refresh rate (60Hz is common for casual use, 120Hz for serious gaming), the integrated smart TV platform (Roku TV, Google TV, WebOS, Tizen), connectivity options (number of HDMI ports, USB ports, Wi-Fi capabilities), and of course, their budget. Audio capabilities, such as built-in Dolby Atmos, should also be weighed for an immersive experience.

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Introducing the TCL 43S450R Television

The TCL 43S450R is a 43-inch Class S4 4K LED Smart TV, a 2023 model designed to deliver a premium viewing experience without the premium price tag. It promises incredible detail with its 4K Ultra HD resolution, enhanced contrast and colors through HDR PRO (Dolby Vision, HDR10, & HLG), and immersive sound with built-in Dolby Atmos. When you purchase this television, it comes with everything you need to get started: the stand, a remote control (with batteries included), a power cord, and a quick start guide.

Compared to market leaders, the TCL S4 Series TV positions itself as a strong value contender. While it might not boast the cutting-edge panel technology or advanced processing power of top-tier Samsung or LG models, it offers a surprisingly robust feature set for its price point. Versus previous TCL S-series versions, the 43S450R, being a 2023 model, refines existing technologies and introduces improvements like Direct LED backlighting and enhanced HDR support over older S3 models.

This specific TCL TV is ideal for individuals or families seeking an affordable yet high-quality 4K smart TV primarily for streaming, casual gaming, and general entertainment. It’s particularly well-suited for Roku TV enthusiasts who appreciate its straightforward, user-friendly interface. It’s not for those who demand the absolute highest refresh rates for competitive esports, deep black levels found in OLEDs, or professional-grade picture calibration for dedicated home theaters.

Pros:
* Stunning 4K Ultra HD Picture: Delivers crisp, clear images with excellent detail, a significant upgrade from 1080p.
* Comprehensive HDR Support: Includes Dolby Vision, HDR10, and HLG, ensuring vibrant colors and contrast for a wide range of HDR content.
* Immersive Dolby Atmos Sound: Built-in audio technology provides a surprisingly rich and spatial sound experience for its class.
* User-Friendly Roku TV OS: Intuitive interface with access to a vast library of streaming apps and live TV channels.
* Excellent Connectivity: Four HDMI inputs (one with eARC) are generous for connecting multiple devices.
* FullView Metal Bezel-less Design: Modern, sleek aesthetic that blends well into contemporary living spaces.
* Great Value: Offers a compelling set of features for its competitive price point.

Cons:
* Limited Brightness for Very Bright Rooms: While generally good, it may struggle with glare or wash out in exceptionally well-lit environments.
* No Direct Bluetooth Headphone Connectivity: Wireless headphones require a workaround through the Roku app, which doesn’t work for HDMI-connected devices.
* Basic Remote Control: Lacks voice control, backlighting, and customizable shortcut buttons, which can be inconvenient.
* Two-Footed Stand Design: Can be cumbersome for smaller entertainment units, requiring a wider surface than a central pedestal.
* Motion Handling (Motion Rate 120): While improved, it’s not a true 120Hz panel and might not satisfy highly demanding sports or action content viewers.

Deep Dive into Core Functionalities and Advantages

Having used the TCL 43-Inch Class S4 4K LED Smart TV with Roku TV (43S450R, 2023 Model) for an extended period, I’ve had ample opportunity to truly appreciate its capabilities and identify areas where it excels. The core features synergize to deliver a compelling home entertainment experience, especially considering its price point.

4K Ultra HD Resolution: Clarity That Transforms Viewing
The jump from 1080p to 4K Ultra HD on this 43-inch display is immediately noticeable. Every detail, from the intricate textures in a documentary to the fine lines on a character’s face in a film, is rendered with impressive clarity. Scenes feel more lifelike, and there’s a tangible sense of depth that wasn’t present on my old TV. This enhanced resolution means that whether I’m watching a nature show or the latest blockbuster, I’m getting four times the pixel count of a Full HD TV. This isn’t just about sharper edges; it translates to a more immersive and less fatiguing viewing experience, allowing you to truly appreciate high-quality content as it was intended. It solves the problem of fuzzy, undefined images and brings a professional-grade picture into your living room.

HDR PRO (Dolby Vision, HDR10, & HLG): A Spectrum of Color and Contrast
One of the most impactful features is the comprehensive HDR PRO support, including Dolby Vision, HDR10, and HLG. This isn’t just a buzzword; it fundamentally changes how colors are displayed and how light and shadow interact on screen. HDR content, especially in Dolby Vision, pops with incredibly vivid colors, deeper blacks, and brighter highlights. For instance, a sunset on screen truly glows, and dimly lit scenes reveal details that would be crushed into darkness on a non-HDR TV. This feature is crucial because much of today’s premium content is mastered in HDR. Without it, you’d be missing out on the full visual fidelity, leading to a less dynamic and impactful viewing experience. It tackles the common issue of washed-out images and provides a more faithful representation of the creator’s vision.

Motion Rate 120: Smoother On-Screen Movement
While not a true 120Hz native panel, the Motion Rate 120 technology (which combines multiple motion enhancement techniques, including MEMC frame insertion) does a commendable job of improving motion clarity. For typical movie watching or general TV shows, panning shots are smoother, and fast-paced action sequences exhibit less judder and blur than on standard 60Hz displays. While competitive gamers might still crave a native 120Hz panel, for casual gaming and sports fans, this enhancement is a welcome addition. It addresses the common complaint of motion blur, making sports feel more fluid and action movies more engaging, preventing that jarring, choppy look that can pull you out of the experience.

Dolby Atmos: Immersive Audio Right from the TV
The built-in Dolby Atmos support is a standout feature for a TV in this price range. While a dedicated soundbar or home theater system will always offer superior audio, the TCL S450R’s integrated speakers leverage Dolby Atmos processing to create a more expansive and dimensional soundstage. Sounds feel like they’re coming from around and above you, rather than just directly from the screen. This is particularly noticeable in action films or nature documentaries where ambient sounds or directional effects genuinely enhance immersion. It tackles the perennial problem of tinny, flat TV audio, allowing for a more cinematic experience straight out of the box, without immediate need for external audio equipment.

Auto Game Mode (ALLM): Seamless Gaming Performance
As a casual gamer, the Auto Game Mode (ALLM – Auto Low Latency Mode) has been a pleasant surprise. When a gaming console is connected and turned on, the TV automatically switches to game mode, ensuring the lowest possible input lag and latency. This means that my button presses translate to on-screen actions with minimal delay, making fast-paced games feel responsive and enjoyable. This feature is critical for any gamer, as high input lag can ruin the experience, leading to frustrating missed shots or delayed reactions. It effectively removes a common barrier to enjoyable console gaming on a smart TV.

FullView Metal Bezel-less Design: A Modern Aesthetic
The physical design of the TCL 43S450R truly elevates its appeal. The FullView metal bezel-less design creates an elegant, edge-to-edge glass appearance that makes the screen feel larger and more immersive. It blends seamlessly into almost any home decor, presenting a sleek, modern look rather than a clunky, plastic frame. This isn’t just about aesthetics; it maximizes the screen real estate and minimizes distractions, allowing you to focus purely on the content. It solves the problem of bulky, unattractive televisions that detract from a room’s overall design.

Direct LED Backlight: Consistent Brightness and Performance
Unlike some budget TVs that use edge-lit backlighting, the TCL Roku TV utilizes Direct LED Backlight technology. This means that LEDs are positioned directly behind the entire screen, leading to better brightness uniformity and improved picture performance across the panel. Hot spots or uneven lighting are far less noticeable, resulting in a more consistent and enjoyable viewing experience, especially when watching content with large areas of a single color or dark scenes. This direct lighting contributes to the overall picture quality and helps mitigate common issues like clouding or flashlighting.

Dynamic Contrast: Optimized Image with Enhanced Depth
The Dynamic Contrast feature continuously optimizes on-screen content, dynamically adjusting contrast levels in real-time. This results in an improved image with enhanced contrast ratios, making dark scenes deeper and bright scenes more vibrant. It intelligently analyzes the image frame by frame to ensure optimal picture quality, creating a more dynamic and engaging visual presentation. This feature contributes to the overall “pop” of the picture, ensuring that scenes have appropriate depth and dimension, addressing the common issue of flat or low-contrast images.

4 HDMI Inputs (One with eARC): Connectivity for All Your Devices
For anyone with multiple entertainment devices—gaming consoles, soundbars, Blu-ray players, streaming sticks, or cable boxes—having four high-speed HDMI inputs is a significant advantage. This generous allocation means I don’t have to constantly swap cables. The inclusion of an eARC (enhanced Audio Return Channel) port is particularly useful, allowing for the transmission of high-quality audio formats like Dolby Atmos to a compatible soundbar or AV receiver with a single HDMI cable. This solves the frustration of limited connectivity and simplifies your home entertainment setup, ensuring all your gadgets can be easily plugged in.

Roku TV Smart OS: The Heart of Simplicity and Content
The Roku TV Smart OS is arguably one of the biggest selling points of this television. Its interface is incredibly intuitive, streamlined, and user-friendly. All your apps, inputs, and settings are presented on a single, customizable home screen. Accessing a vast selection of free and premium entertainment is effortless, with popular TV shows, hit movies, and hundreds of live TV channels readily available. Updates are frequent, ensuring the OS remains responsive and up-to-date. This operating system shines for its simplicity and the sheer volume of content it provides, making it an ideal choice for anyone who values ease of use and broad access to streaming services without the complexity often associated with other smart TV platforms. It eliminates the need for external streaming devices for most users, integrating content discovery directly into the TV experience.

Echoes from Fellow Users: Public Feedback

After sifting through numerous online discussions and customer reviews, it’s clear that the TCL 43-Inch Class S4 4K LED Smart TV with Roku TV (43S450R, 2023 Model) generally receives a positive reception, often highlighting its impressive value. Many users rave about the picture quality, describing it as “super” and “crisp and bright,” especially for its price point. The integrated sound, bolstered by Dolby Atmos, also frequently earns praise for being “surprisingly good.” The ease of setup and the seamless Roku TV experience are consistently lauded, with users feeling “right at home” if they’re familiar with the platform.

However, some common drawbacks are also mentioned. A recurring point is the TV’s brightness, with several users noting it’s “not quite as bright as I would want it,” especially if there’s a lot of ambient light in the room. The remote control is a frequent target of criticism, with users lamenting the lack of voice control, backlighting, and customizable shortcut buttons for preferred streaming services. The two-footed stand design is another minor annoyance for some, requiring a wider entertainment unit. A significant point of contention for some is the misleading information regarding wireless headphone connectivity; while you can connect via the Roku app on a smartphone, direct Bluetooth pairing to the TV for use with HDMI devices is not possible, which was a deal-breaker for some who bought the TV specifically for this feature. There have also been isolated reports regarding quality control, with one user describing receiving a defective unit and expressing frustration with the return/replacement process. Overall, despite these minor grievances, the consensus leans towards it being a strong performer for its cost.

Final Reflections: A Worthwhile Entertainment Upgrade

If you’re still relying on an outdated television with limited features and subpar visuals, you’re missing out on a world of vibrant entertainment. The complications of not upgrading include a less immersive viewing experience, frustratingly slow navigation, and a restricted selection of content. The TCL 43-Inch Class S4 4K LED Smart TV with Roku TV (43S450R, 2023 Model) presents an excellent solution to these problems.

Firstly, its 4K Ultra HD resolution combined with HDR PRO (Dolby Vision, HDR10, HLG) ensures a sharp, colorful, and dynamic picture that truly elevates your viewing. Secondly, the integrated Roku TV Smart OS offers unparalleled ease of use and access to an extensive library of streaming content, making it incredibly simple to find and enjoy what you want. Finally, features like Dolby Atmos and Auto Game Mode deliver a surprisingly immersive audio experience and responsive gaming, all within a sleek, modern design that belies its affordable price. This TV is a fantastic choice for anyone looking to make a significant leap in their home entertainment without breaking the bank.

Ready to transform your viewing experience? Click here to check out the TCL 43-Inch Class S4 4K LED Smart TV (43S450R) and bring cinematic quality into your home.

Last update on 2025-08-14 / Affiliate links / Images from Amazon Product Advertising API