TCL

TCL 55S446 55-Inch 4K UHD HDR Google TV 2022

4.1 (636 reviews)
4KUHDHDR

Google TV's unified content layer meets native 4K HDR on a 55-inch panel built to replace your cable box and streaming stick in one shot.

$371.57*
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*Price sourced from Amazon.com. Last updated:Jun 27, 2026.Price and availability are subject to change.

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Overview

The TCL 55S446 is a 55-inch 4K UHD television running Google TV — a content-aggregation platform that sits above Android TV to unify streaming libraries, live TV, and over-the-air content into a single discovery interface. The 3840x2160 native resolution provides the pixel density expected in modern living room displays, and HDR support extends the luminance range to reproduce more of the contrast and color gradient that HDR-mastered content was graded for. The inclusion of a built-in digital TV tuner is a meaningful spec for cord-cutters: it turns this panel into a complete antenna-and-streaming hub without additional hardware.

The 55S446 is positioned as a mainstream living room TV for households transitioning away from cable or consolidating multiple streaming devices. Google TV's 700,000+ title index — drawing from Netflix, Disney+, Hulu, YouTube, and dozens of additional services — is its clearest differentiator against entry-level smart TVs running proprietary or Roku-based platforms. Google Assistant integration extends its utility to smart home control and hands-free search. For home theater purists focused on peak brightness, local dimming precision, or 120Hz gaming performance, this model's undisclosed panel specs warrant direct comparison shopping; for streaming-primary households, its content platform and 4K HDR capability represent strong value at its price tier.

Key Features

Stunning 4K Ultra HD: 4K resolution delivers stunning detail and remarkable visual experience.

High Dynamic Range: HDR delivers bright and accurate colors for a lifelike viewing experience.

Google Assistant Built-in: Your TV is more helpful than ever. Use your voice to find movies, stream apps, play music, and control the TV. Ask Google to find a specific title, search by genre, or get personalized recommendations by saying, “what should I watch” Even get answers like sports scores, control smart home devices, and more. Press the Google Assistant button on the remote to get started.

What you want to watch, all in one place: Choose from 700,000 plus movies and shows from across your favorite apps, intelligently organized just for you. Tune into live shows, curate watchlists, and get recommendations based on what you have watched and what interests you. Finding what to watch has never been easier with TCL Google TV.

Thousands of Streaming Apps: Enjoy thousands of movies and shows available to stream including sports, news, music, kids and family, food, science and tech, fitness, foreign language and so much more with the Google TV OS.

Specifications

Screen Size
55 inches
Resolution
4K Ultra HD (3840 x 2160)
HDR Support
HDR
Operating System
Google TV
Voice Assistant
Google Assistant (built-in)
Content Library
700,000+ movies and shows
TV Tuner
Advanced digital TV tuner (OTA HD)
Brand
TCL
Model
55S446

Pros & Cons

👍 Pros

  • Native 4K (3840x2160) resolution delivers four times the pixel density of 1080p, making the step-up from a 1080p panel immediately visible at typical living room distances.
  • Google TV's 700,000+ title index aggregates content across streaming services into a single searchable interface, eliminating the app-switching friction of basic smart TV platforms.
  • Built-in advanced digital TV tuner enables free over-the-air HD reception without an external box — a real cost saving in cord-cutting setups.
  • HDR processing extends the color and brightness range beyond SDR, producing more accurate highlights and shadow detail on supported content.
  • Built-in Google Assistant supports voice search, smart home control, and content discovery without requiring a separate smart speaker or hub.

👎 Cons

  • Peak brightness nit value is not disclosed, making it difficult to benchmark HDR performance against competing panels or confirm suitability for bright-room viewing.
  • No confirmed Dolby Vision support listed — users invested in Dolby Vision content libraries may find HDR compatibility limited to standard HDR10.
  • Native panel refresh rate is not specified in available documentation; if it is 60Hz, fast-motion gaming and sports content will show motion blur compared to 120Hz panels at this screen size.
  • No local dimming zone information provided, which limits the ability to assess true contrast performance versus OLED or full-array local dimming competitors.

Frequently Asked Questions

The 55S446 supports HDR (High Dynamic Range), which expands the luminance range beyond standard dynamic range for more lifelike color gradients and highlight detail. TCL's spec sheet for this model does not list Dolby Vision support — if Dolby Vision compatibility is a hard requirement, verify before purchasing.
Google TV is a content discovery layer built on top of Android TV. Rather than organizing apps in a grid, it aggregates titles across 700,000+ movies and shows from your connected streaming subscriptions into a single watchlist-driven interface. The practical difference is faster title discovery without manually opening individual apps.
Yes. The 55S446 includes an advanced digital TV tuner that receives over-the-air HD broadcasts with a standard antenna connected to the coaxial input. This makes it a functional cord-cutting hub without requiring a separate OTA tuner box.
TCL lists multiple HDMI ports on this model. The specific count and HDMI version (2.0 vs 2.1) is not detailed in the published spec sheet, so confirm current port count and ARC/eARC support via TCL's official product page if HDMI throughput is critical to your setup.
Yes. The built-in Google Assistant responds to the dedicated remote button and can control compatible smart home devices, answer queries, search content by genre or title, and return results like sports scores — functioning as a hub-level voice interface rather than a simple content remote.