TCL
TCL 55S551F 55-Inch 4K UHD LED Fire TV
★★★★★
4KUHD1080pHDRHDR10
TCL 55-inch 4K Fire TV delivers Dolby Vision, Dolby Atmos, and smart streaming in a sleek bezel-less design.
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Overview
Key Features
4K UltraHD Resolution - Experience incredible detail with 4X the resolution of 1080p Full HDTVs.
High Brightness LED Backlight - Enjoy a brilliant picture in any room.
Enhanced Color - Enhanced color bringing rich, vibrant images to life.
Motion Rate 240 with MEMC Frame Insertion - Combines multiple motion enhancement technologies for best-in-class motion clarity.
Fire TV Experience – All your entertainment in one place. Fire TV gives you quick access to live TV, video games, music, and lets you stream over 1 million movies and TV episodes. Subscriptions may apply.
HDR PRO+ with Dolby Vision, HDR10+, HDR10, & HLG - Enjoy enhanced contrast, accurate colors and fine details utilizing all the most advanced HDR formats.
Auto Game Mode (ALLM) - Automatically enables game mode for the lowest possible input lag and latency for an unmatched gaming performance.
Dolby Atmos Audio - Advanced spatial audio processing found in movies, TV shows, and video games.
Enhanced Dialogue Mode - Audio Setting for better clarity and intelligibility in movies, TV shows, and video games.
DTS Virtual:X - Advanced audio post-processing for your everyday content offering an immersive 3D sound, all from just your TV speakers.
Specifications
Brand
TCL
Model
55S551F
Screen Size
55 inches
Resolution
4K Ultra HD
Display Technology
LED
Smart Platform
Fire TV
HDR Support
Dolby Vision, HDR10+, HDR10, HLG
Audio
Dolby Atmos, DTS Virtual:X, Enhanced Dialogue Mode
Motion Rate
240 with MEMC Frame Insertion
Gaming Features
Auto Game Mode (ALLM), Game Accelerator 120 VRR
Connectivity
Bluetooth, Wi-Fi, USB, Ethernet, HDMI
Design
Bezel-less
Dimensions
2.83"D x 48.27"W x 27.99"H
Weight
30.9 pounds
Pros & Cons
👍 Pros
- Comprehensive HDR support with Dolby Vision, HDR10+, HDR10, and HLG covers all major formats.
- Fire TV built-in provides a vast streaming library without needing an external device.
- Auto Game Mode and Game Accelerator 120 VRR reduce lag for responsive gaming.
- Dolby Atmos and DTS Virtual:X deliver immersive audio from the TV's own speakers.
- Bezel-less design gives the screen a modern, edge-to-edge appearance.
👎 Cons
- LED backlighting lacks the deep local dimming contrast of mini-LED or OLED panels.
- Built-in speakers, while enhanced with Dolby Atmos processing, cannot match a dedicated sound system.
- At 30.9 pounds and nearly 49 inches wide, it requires a sturdy stand or wall mount.
- Fire TV interface includes advertisements and sponsored content on the home screen.
Frequently Asked Questions
What HDR formats does the TCL 55S551F support?
It supports Dolby Vision, HDR10+, HDR10, and HLG — covering virtually all major HDR content sources.
Does this TV have a built-in smart platform, or do I need a separate streaming device?
Fire TV is built directly into the TV, giving you access to over a million movies and TV episodes plus apps, live TV, and games without any additional hardware.
Is the TCL 55S551F suitable for gaming?
Yes, it features Auto Game Mode (ALLM) that automatically reduces input lag when a console is detected, plus Game Accelerator 120 with VRR support for smoother gameplay.
What audio technologies are built into this TV?
It includes Dolby Atmos spatial audio, DTS Virtual:X for immersive 3D sound from the built-in speakers, and an Enhanced Dialogue Mode for clearer speech.
What is Motion Rate 240 with MEMC Frame Insertion?
It is TCL's motion enhancement technology that combines frame insertion with other processing to reduce blur and judder, delivering smoother motion in fast-moving scenes like sports and action content.
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