Hisense - 55" Class U6 Series MiniLED 4K UHD Smart Fire TV (2026)
Model: 55U6SF
SKU: 6673651
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Series
U65SF Mini-LEDScreen Size Class
55"Sold by
Highlights
- Key Specs
- Display Type: LED
- Resolution: 4K (2160p) (Refers to the number of pixels, both horizontally and vertically, used to capture video/images. The higher the resolution the finer the detail that can be seen.)
- Screen Size Class: 55 inches (The group size measurement of a screen. This differs from a screen size measured diagonally from corner to corner.)
- High Dynamic Range (HDR): true (An HDR-compatible 4K TV or other HDR-compatible product displays HDR video content when it's available from sources like 4K Ultra HD Blu-ray Discs and 4K streaming services.)
- High Dynamic Range Format: Dolby Vision, HDR 10+, HDR 10, Hybrid Log-Gamma (HLG) (There are a few HDR formats that tell the TV or other HDR-compatible product how to best utilize its capabilities to display HDR content. HDR technology can support one or multiple formats, each with various benefits to picture quality.)
- LED Panel Type: Mini-LED QLED
- Backlight Type: Full Array Local Dimming (Edge-lit: lights are on the edges of the display with ~10 zones of vertical LEDs. Direct-lit: lights are on the edges and behind the screen for more light uniformity than Edge-lit. Full array: direct-lit with local dimming for greater contrast with up to 100 zones of LEDs.)
- Refresh Rate: 144Hz (The number of frames per second the device can produce natively without enhancement. Higher rates help produce smooth, seamless pictures.)
- Motion Enhancement Technology: Motion Rate 480 (Proprietary technologies produced in addition to the Refresh Rate that smooth out faster moving pictures to reduce blur and pixelation.)
- Specific Manufacturer Technologies: Native 144Hz with AI Smooth Motion, 144Hz Game Mode Pro, Hi-View AI Engine, QLED Color, Anti-Glare Low Reflection Panel,Filmmaker Mode (This is technology that's specific to a TV brand (sometimes called proprietary technology). Here you'll see terms related to picture quality, brightness, processors and more.)
- Smart Platform: Fire TV (Just like a computer, a smart TV needs an operating system (also called a smart platform) in order to access the Internet, connect with entertainment apps, and play streaming content. Some common TV smart platforms are; Roku TV, Android TV, and Chromecast.)
- Featured Streaming Services: Netflix, Prime Video, Disney+, Hulu, HBO Max, YouTube, Apple TV, Peacock, Paramount+ (Streaming services and other programs are available on this device. Keep in mind, there may be more services supported than just those shown here.)
- Number of HDMI Inputs (Total): 4
- TV Tuner Type: ATSC, NTSC, Clear QAM
- Works With: Amazon Alexa, Apple Home (Compatible with or able to be connected to other smart devices or applications.)
- Voice Assistant Built-in: Amazon Alexa (A digital assistant built into the device that uses voice commands to answer questions and control smart devices.)
- General
- Brand: Hisense
- Model Number: 55U6SF
- Product Name: 55" Class U6 Series MiniLED 4K UHD Smart Fire TV (2026)
- Color: Black
- Series: U65SF Mini-LED (Part of a group of the same product type with similar features.)
- Model Year: 2026
- Dimensions
- Product Height With Stand: 29.8 inches
- Product Width: 48.3 inches (The out of box width of the item. Width is measured as the horizontal distance from one side of the item to the other as it would be primarily used or placed.)
- Product Depth With Stand: 11.7 inches
- Product Height Without Stand: 28.1 inches
- Product Depth Without Stand: 2.6 inches
- Product Weight With Stand: 28 pounds
- Product Weight Without Stand: 27.6 pounds
- Stand Width: 38.7 inches (The horizontal measurement of the stand/base, or the distance from the outside of one leg to the outside of the opposite leg, as it is attached to the product.)
- Stand Depth: 11.7 inches
- Adjustable Stand Width: false (Whether the stand can adjust to have more than one measurement either between the legs or the base itself.)
- Display
- Display Type: LED
- Resolution: 4K (2160p) (Refers to the number of pixels, both horizontally and vertically, used to capture video/images. The higher the resolution the finer the detail that can be seen.)
- Screen Size: 54.6 inches (Size of the screen, measured diagonally from corner to corner.)
- Screen Size Class: 55 inches (The group size measurement of a screen. This differs from a screen size measured diagonally from corner to corner.)
- High Dynamic Range (HDR): true (An HDR-compatible 4K TV or other HDR-compatible product displays HDR video content when it's available from sources like 4K Ultra HD Blu-ray Discs and 4K streaming services.)
- High Dynamic Range Format: Dolby Vision, HDR 10+, HDR 10, Hybrid Log-Gamma (HLG) (There are a few HDR formats that tell the TV or other HDR-compatible product how to best utilize its capabilities to display HDR content. HDR technology can support one or multiple formats, each with various benefits to picture quality.)
- Picture Quality Enhancement Technology: Quantum HDR
- LED Panel Type: Mini-LED QLED
- Backlight Type: Full Array Local Dimming (Edge-lit: lights are on the edges of the display with ~10 zones of vertical LEDs. Direct-lit: lights are on the edges and behind the screen for more light uniformity than Edge-lit. Full array: direct-lit with local dimming for greater contrast with up to 100 zones of LEDs.)
- Curved Screen: false
- Refresh Rate: 144Hz (The number of frames per second the device can produce natively without enhancement. Higher rates help produce smooth, seamless pictures.)
- Motion Enhancement Technology: Motion Rate 480 (Proprietary technologies produced in addition to the Refresh Rate that smooth out faster moving pictures to reduce blur and pixelation.)
- Synchronization Technology: FreeSync Premium (AMD Adaptive Sync) (Generally, these technologies allow syncing between a computer/console game's frame rate and the device's refresh rate for a smoother display without tearing.)
- Closed Captioning: true (The text version of spoken audio displayed on the screen. Devices that can display closed captioning typically have the option to toggle the feature on or off.)
- Language(s) Displayed: English, Spanish, French (The available language options for displayed text or captions.)
- Features
- Remote Control Type: Voice control
- Specific Manufacturer Technologies: Native 144Hz with AI Smooth Motion, 144Hz Game Mode Pro, Hi-View AI Engine, QLED Color, Anti-Glare Low Reflection Panel,Filmmaker Mode (This is technology that's specific to a TV brand (sometimes called proprietary technology). Here you'll see terms related to picture quality, brightness, processors and more.)
- Smart Capable: true (Smart, or smart-capable devices are able to connect directly to your home network in order to stream content from the Internet, run Internet-based apps, or connect to other smart devices.)
- Smart Platform: Fire TV (Just like a computer, a smart TV needs an operating system (also called a smart platform) in order to access the Internet, connect with entertainment apps, and play streaming content. Some common TV smart platforms are; Roku TV, Android TV, and Chromecast.)
- Featured Streaming Services: Netflix, Prime Video, Disney+, Hulu, HBO Max, YouTube, Apple TV, Peacock, Paramount+ (Streaming services and other programs are available on this device. Keep in mind, there may be more services supported than just those shown here.)
- Screen Mirroring: true (Casts the screen of one device onto another wirelessly, using a common protocol (typically Bluetooth).)
- Screen Mirroring Technology: Apple AirPlay
- Content Sharing: Mobile to TV (The device is capable of connecting to another device in order to send or receive streaming content. Share content from your mobile device to your TV or vice versa.)
- Indoor Or Outdoor Use: Indoor (Indicates the appropriate environment product was designed to be used in.)
- Video Description: true (Indicates whether the device features descriptive video service (DVS). This service provides narration of key elements in the program, such as actions, costumes, and scene changes, to help engage visually-impaired audiences.)
- V-Chip: true (Feature that blocks television programming if it has a content rating outside of the acceptable rating(s) configured by the user.)
- TV Tuner: Digital (The ATSC TV Tuner is a component built into conventional TV sets or other devices for receiving over-the-air broadcast TV without a cable/satellite box. Digital tuners may be purchased separately and connected to a device if it does not have one built in.)
- Connectivity
- Number of HDMI Inputs (Total): 4
- Display Connector(s): 2 x HDMI 2.1, 2 x HDMI 2.0 (The number and type of connectors used to connect to an external display.)
- Network Connector(s): 1 x LAN
- Audio Only Outputs: 1 x Optical digital audio
- USB Ports: 1 x USB-A 3.0, 1 x USB-A 2.0 (The number and type of USB ports the product has.)
- HDMI Audio Return Channel (ARC): eARC
- Wireless Connectivity: Wi-Fi, Bluetooth (The manner in which a device sends data to another device over a short distance without the use of wires or cables.)
- TV Tuner Type: ATSC, NTSC, Clear QAM
- RF Antenna Input: true (This input is used to connect devices such as antennas or cable boxes to a TV via a coaxial cable.)
- Number Of USB Port(s) (Total): 2 (The total number of USB ports including all generations and versions.)
- Bluetooth Version: 5.3 (The Bluetooth specification formalized by the Bluetooth Special Interest Group. All versions of the Bluetooth standard are backwards compatible with previous versions.)
- Headphone Jack: false (The device features an interface that allows for the connection of headphones.)
- Compatibility
- VESA Wall Mount Standard: 200mm x 300mm (VESA wall mount standards refer to the spacing of screw holes built into a TV in order to fit with standard TV wall mounts. These standards are implemented into most TVs and monitors.)
- Works With: Amazon Alexa, Apple Home (Compatible with or able to be connected to other smart devices or applications.)
- Voice Assistant Built-in: Amazon Alexa (A digital assistant built into the device that uses voice commands to answer questions and control smart devices.)
- Audio
- Built-In Speakers: true
- Surround Sound Supported: Dolby Atmos (Surround sound systems use multiple audio channels and speakers to create an immersive sound experience for the listener. There are also various proprietary technologies that imitate this kind of sound via a device's built-in speakers or soundbar.)
- Speaker Output: 20 watts
- Number Of Speakers: 2
- Number of Audio Channels: 2.0 (The number of discrete channels of sound output. This can be a single number or multiple numbers separated by decimal(s). The first number is the primary, horizontally directed audio channels. The number after the first decimal, if applicable, is the number of subwoofer outputs or channels. The number after the second decimal, if applicable, is the number of height or atmospheric channels designed to immerse the listener by producing overhead sound effects.)
- Power
- ENERGY STAR Certified: false (Devices carrying the ENERGY STAR service mark, such as computer products and peripherals, kitchen appliances, and other products, generally use 20% to 30% less energy than required by federal standards.)
- EPEAT Qualified: false (The Electronic Product Environmental Assessment Tool (EPEAT) was designed to provide an environmental assessment tool for purchasers. In order to qualify for EPEAT, a product must meet all 23 required criteria.)
- Estimated Annual Operating Cost: 38 United States dollars (Predicted cost of operating the product under average conditions for one year.)
- Estimated Annual Electricity Use: 237 kilowatt hours (Predicted amount of electricity needed to operate the product under average conditions for one year.)
- Rechargeable Battery (Remote Control): false
- Battery Size (Remote Control): AAA (The battery size required for operation.)
- Number Of Batteries Required (Remote Control): 2
- Number of Batteries Included (Remote Control): 2
- Battery Chemistry (Remote Control): Alkaline
- Included
- Wall Mount Included: false
- Stand Included: true
- Warranty
- Warranty - Parts: 2 years
- Warranty - Labor: 2 year
- Box Dimension
- Height: 34.4 inches
- Width: 54.6 inches
- Depth: 5.6 inches
- CubicDimension: 10518 inches
- Other
- UPC: 888143025568
The Hisense U6 ULED Series brings Mini-LED picture quality to everyday entertainment, delivering bright color, solid contrast, and smooth motion for movies, sports, and streaming. Intelligent processing automatically adjusts the image scene by scene, helping content look clearer and more natural without extra setup. With immersive sound, smart features, and reliable performance, the U6 Series is designed to make daily viewing easy, enjoyable, and consistently great across all your favorite content.
- Hi-QLED MiniLED: Mini-LED backlighting uses thousands of precise light zones to enhance contrast across the screen, revealing deeper shadows, brighter highlights, and more visible detail. Whether watching movies at night or sports during the day, the picture stays clear and impactful.
- Native 144Hz Game Mode: High refresh performance keeps fast movement fluid and sharp, reducing blur during gameplay and live sports. The quick response helps you stay in control during competitive gaming while making rapid camera shots in shows and movies easier to follow.
- Anti-Reflection & Glare-Free: Advanced screen treatment minimizes glare from lamps and windows, so daytime sports stay visible, late-night movies stay immersive, and gaming remains clear from almost any seat in the room.
- Dolby Vision & Dolby Atmos: Experience cinematic HDR with vivid brightness and deeper contrast through Dolby Vision, paired with immersive, room-filling sound from Dolby Atmos—so every scene feels bigger, clearer, and more lifelike from your couch.
- AI Picture: Advanced AI processing analyzes content scene by scene and automatically optimizes brightness, contrast, and color for a clearer, more natural image. Whether you’re streaming shows, watching sports, or gaming, the picture adjusts in real time to look its best without manual settings.
- AI Smooth Motion with MEMC: Motion enhancement technology reduces blur and sharpens fast-moving scenes, keeping action crisp and easy to follow. From live sports to action movies and gaming, fast transitions stay smooth and comfortable to watch.
- Total HDR Solution: Supports Dolby Vision IQ, HDR10+ Adaptive, HDR10, and HLG for brighter highlights, deeper contrast, and more detail in every scene.
- Filmmaker Mode: Preserves the original aspect ratio, color, frame rate, and sound — so you watch movies exactly as directors intended.
- AI Light Sensor: Intelligent brightness that adapts to your environment. By detecting ambient light and adjusting the backlight in real time, the TV maintains optimal picture quality for comfortable viewing at any time of day.
- AI Sports Mode: The TV instantly recognizes sports content and adjusts picture and sound settings for the action. Enjoy smoother motion, clearer details, and boosted crowd audio that recreates the excitement of being in the stadium.
- 4K UltraHD Resolution & AI 4K Upscaler: Deep-learning models enhance lower-resolution content by sharpening details, reconstructing textures, and reducing noise—so your favorite shows and classic movies look closer to 4K.
- AMD FreeSync Premium: Keeps gameplay smooth by matching the TV’s refresh rate to your graphics card. The result: reduced lag, minimized tearing, and fluid motion for a more immersive gaming experience.
- All-in-one: Get right to your good stuff. With Fire TV, you can enjoy a world of entertainment from apps like Prime Video, Netflix, Disney+, Hulu, and HBO Max. Plus, stream for free with Fire TV Channels, Pluto TV, Tubi, and more. Access over 1.8 million movies and TV episodes. Subscriptions may be required. Feature and content availability may vary.
- Alexa+: The new Alexa on Fire TV – Getting to what you love has never been easier. Talk naturally to find what to watch fast, manage your smart home, or dive into virtually any topic. I didn't see it there and it would be good to have all things Alexa+ in one place.
- Press & Ask: Say It & Alexa Will Play It. No more endless scrolling—simply press the Alexa button on your remote and use your voice to discover new content, adjust the volume, change channels or even control your smart home devices.
- Hi-QLED MiniLED: Mini-LED backlighting uses thousands of precise light zones to enhance contrast across the screen, revealing deeper shadows, brighter highlights, and more visible detail. Whether watching movies at night or sports during the day, the picture stays clear and impactful.
- Native 144Hz Game Mode: High refresh performance keeps fast movement fluid and sharp, reducing blur during gameplay and live sports. The quick response helps you stay in control during competitive gaming while making rapid camera shots in shows and movies easier to follow.
- Anti-Reflection & Glare-Free: Advanced screen treatment minimizes glare from lamps and windows, so daytime sports stay visible, late-night movies stay immersive, and gaming remains clear from almost any seat in the room.
- Dolby Vision & Dolby Atmos: Experience cinematic HDR with vivid brightness and deeper contrast through Dolby Vision, paired with immersive, room-filling sound from Dolby Atmos—so every scene feels bigger, clearer, and more lifelike from your couch.
- AI Picture: Advanced AI processing analyzes content scene by scene and automatically optimizes brightness, contrast, and color for a clearer, more natural image. Whether you’re streaming shows, watching sports, or gaming, the picture adjusts in real time to look its best without manual settings.
- AI Smooth Motion with MEMC: Motion enhancement technology reduces blur and sharpens fast-moving scenes, keeping action crisp and easy to follow. From live sports to action movies and gaming, fast transitions stay smooth and comfortable to watch.
- Total HDR Solution: Supports Dolby Vision IQ, HDR10+ Adaptive, HDR10, and HLG for brighter highlights, deeper contrast, and more detail in every scene.
- Filmmaker Mode: Preserves the original aspect ratio, color, frame rate, and sound — so you watch movies exactly as directors intended.
- AI Light Sensor: Intelligent brightness that adapts to your environment. By detecting ambient light and adjusting the backlight in real time, the TV maintains optimal picture quality for comfortable viewing at any time of day.
- AI Sports Mode: The TV instantly recognizes sports content and adjusts picture and sound settings for the action. Enjoy smoother motion, clearer details, and boosted crowd audio that recreates the excitement of being in the stadium.
- 4K UltraHD Resolution & AI 4K Upscaler: Deep-learning models enhance lower-resolution content by sharpening details, reconstructing textures, and reducing noise—so your favorite shows and classic movies look closer to 4K.
- AMD FreeSync Premium: Keeps gameplay smooth by matching the TV’s refresh rate to your graphics card. The result: reduced lag, minimized tearing, and fluid motion for a more immersive gaming experience.
- All-in-one: Get right to your good stuff. With Fire TV, you can enjoy a world of entertainment from apps like Prime Video, Netflix, Disney+, Hulu, and HBO Max. Plus, stream for free with Fire TV Channels, Pluto TV, Tubi, and more. Access over 1.8 million movies and TV episodes. Subscriptions may be required. Feature and content availability may vary.
- Alexa+: The new Alexa on Fire TV – Getting to what you love has never been easier. Talk naturally to find what to watch fast, manage your smart home, or dive into virtually any topic. I didn't see it there and it would be good to have all things Alexa+ in one place.
- Press & Ask: Say It & Alexa Will Play It. No more endless scrolling—simply press the Alexa button on your remote and use your voice to discover new content, adjust the volume, change channels or even control your smart home devices.
Whats Included
- Television
- Stand
- Power Cable
- Remote
- QSG & User Manual
- Television
- Stand
- Power Cable
- Remote
- QSG & User Manual
Product Manuals
Documents
- Energy_Guide_PDF
- Energy_Guide_PDF
Disclaimers
- Web-based services and content require high-speed Internet service. Some services may require a subscription.
- Web-based services and content require high-speed Internet service. Some services may require a subscription.
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| Pros for Hisense - 55" Class U6 Series MiniLED 4K UHD Smart Fire TV (2026) | |||
|---|---|---|---|
| There were no pros for this product— | Picture Quality, Brightness, Refresh Rate, Gaming Performance, Responsiveness | Picture Quality, Refresh Rate, Gaming Performance, Brightness, Setup Ease | Picture Quality, Refresh Rate, Setup Ease, Brightness, Connectivity |
| Cons for Hisense - 55" Class U6 Series MiniLED 4K UHD Smart Fire TV (2026) | |||
| There were no cons for this product— | Black Level, Weight | There were no cons for this product— | Viewing Angle, Operating System |
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