TCL - 40" Class Q3K Series 1080P FHD QLED Smart TV with Google TV (2025)
Series
Full HD QLED - Q3KScreen Size Class
40"
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Highlights
- Key Specs
- Display Type: LED
- Resolution: Full HD (1080p) (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: 40 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: HDR 10 (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: QLED
- Backlight Type: Direct Lit (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: 60Hz (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 120 (Proprietary technologies produced in addition to the Refresh Rate that smooth out faster moving pictures to reduce blur and pixelation.)
- Specific Manufacturer Technologies: 2K HDR 10 Decoding (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: Google 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, Peacock, Hulu, Disney+, YouTube, YouTube TV, Vudu, Google Play Movies & TV, Spotify (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): 2
- TV Tuner Type: ATSC, NTSC, Clear QAM
- Works With: Google Home (Compatible with or able to be connected to other smart devices or applications.)
- Voice Assistant Built-in: Google Assistant (A digital assistant built into the device that uses voice commands to answer questions and control smart devices.)
- General
- Brand: TCL
- Model Number: 40Q3K
- Product Name: TCL 40" Class Q3K Series 1080P FHD QLED Smart TV with Google TV (2025)
- Color: Black
- Series: Full HD QLED - Q3K (Part of a group of the same product type with similar features.)
- Model Year: 2025
- Dimensions
- Product Height With Stand: 22 inches
- Product Width: 35.1 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: 7.2 inches
- Product Height Without Stand: 20 inches
- Product Depth Without Stand: 3 inches
- Product Weight With Stand: 10.2 pounds
- Product Weight Without Stand: 10.1 pounds
- Stand Width: 32.5 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: 7.2 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: Full HD (1080p) (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: 39.5 inches (Size of the screen, measured diagonally from corner to corner.)
- Screen Size Class: 40 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: HDR 10 (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: HDR Compatible
- LED Panel Type: QLED
- Backlight Type: Direct Lit (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: 60Hz (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 120 (Proprietary technologies produced in addition to the Refresh Rate that smooth out faster moving pictures to reduce blur and pixelation.)
- Synchronization Technology: Not Applicable (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: Standard
- Specific Manufacturer Technologies: 2K HDR 10 Decoding (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: Google 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, Peacock, Hulu, Disney+, YouTube, YouTube TV, Vudu, Google Play Movies & TV, Spotify (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: Chromecast
- 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.)
- Text-To-Speech: false (A system that converts language text into speech.)
- 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): 2
- Display Connector(s): 2 x HDMI 2.0, 1 x Composite video (The number and type of connectors used to connect to an external display.)
- Audio Only Outputs: 1 x 3.5mm audio, 1 x Optical digital audio
- USB Ports: 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.)
- HDBaseT Receiver: false (An input that receives uncompressed HDMI signals over a category cable point-to-point, up to 100 meters, from a transmitter.)
- 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): 1 (The total number of USB ports including all generations and versions.)
- Wireless Networking Standard: Wi-Fi 4 (The wireless networking standard used by the device. Each iteration of the standard developed by the Wi-Fi Alliance corresponds to an existing IEEE 802.11 protocol; for example, standard 802.11ac (or AC) is termed Wi-Fi 5. Refers specifically to the standard the device is designed to use, but ultimately determines product interoperability and backward compatibility including previous versions.)
- Bluetooth Version: 4.1 (The Bluetooth specification formalized by the Bluetooth Special Interest Group. All versions of the Bluetooth standard are backwards compatible with previous versions.)
- Headphone Jack: true (The device features an interface that allows for the connection of headphones.)
- Compatibility
- VESA Wall Mount Standard: 100mm x 100mm (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: Google Home (Compatible with or able to be connected to other smart devices or applications.)
- Voice Assistant Built-in: Google Assistant (A digital assistant built into the device that uses voice commands to answer questions and control smart devices.)
- Audio
- Built-In Speakers: true
- Built-in Speaker Type: Downward firing (Backward, downward, and front-firing speakers direct sound into the room from those respective directions. A soundbar is typically long and rectangular, and designed to act as an all-in-one speaker with greater sound production than that of a TV alone. An acoustic surface is the result of small sound actuators embedded directly behind the screen, turning the entire screen's surface into a speaker.)
- Surround Sound Supported: Dolby Digital Plus (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: 18 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: 12 United States dollars (Predicted cost of operating the product under average conditions for one year.)
- Estimated Annual Electricity Use: 60 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
- Voltage: 120 volts (Amount of power needed to support an electrical current.)
- Wattage: 80 watts (Measurement of electrical power.)
- Included
- Wall Mount Included: false
- Stand Included: true
- Warranty
- Warranty - Parts: 1 year limited
- Warranty - Labor: 1 year limited
- Box Dimension
- Height: 23.8 inches
- Width: 40.4 inches
- Depth: 4.8 inches
- CubicDimension: 4615 inches
- Other
- UPC: 846042043762
TCL Q3K Series TVs now feature QLED technology that provides rich, vibrant colors that, combined with the HVA panel and Direct LED Backlight, makes a stunning picture in any living room. Powered by Google TV, Q3K Class TVs offer a simple and smart way to endless entertainment. Choose from 700,000+ 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.
- 1080P FHD Resolution: Experience your favorite movies and TV shows in stunning 1080P high-definition picture quality for enhanced clarity and detail.
- QLED – Quantum Dot Technology: Rich, vibrant colors bringing images to life.
- Direct LED Backlight: Enjoy better brightness uniformity and picture performance when compared to edge-lit TVs
- HVA Panel: HVA Panel technology leads the industry, using nano-level bionic technology to add polyimide to the liquid crystal molecules to form a butterfly-wing-shaped microstructure, precisely controlling the light passing through the liquid crystal layer and greatly improving the screen contrast.
- Bluetooth Personal Audio: Pair your favorite Bluetooth headphones to the TV for a private listening experience.
- FullView Metal Bezel-Less Design: Elegant edge-to-edge glass design, sleek back panel.
- Google TV Smart OS: The entertainment you love. Google TV brings your favorite movies, shows, and live shows together.
- 2 HDMI Inputs (one with ARC): Two HDMI inputs for connections to gaming consoles, set-top boxes, AV receiver and more.
- Chromecast Built-In: Works with the streaming apps you know and love. Enjoy TV shows, movies, videos, songs, games, sports and more from thousands of apps.
- Dual-Band Wi-Fi: Flexible Wi-Fi performance for your high-speed internet connection
Whats Included
- Remote Control
- Power Cable
- User Manual
- TV Stand
Documents
- Energy_Guide_PDF
Disclaimers
- Web-based services and content require high-speed Internet service. Some services may require a subscription.
Q: Does this TV have built-in Chromecast?
A: Yes, this TV has Chromecast built-in.
Q: Can I connect Bluetooth headphones to this TV?
A: Yes, you can pair your favorite Bluetooth headphones to the TV for a private listening experience.
Q: What is the screen size of this TV?
A: The screen size of this TV is 39.5 inches.
Q: What type of backlight does this TV use?
A: This TV uses a Direct LED backlight.
Q: What operating system does this TCL TV use?
A: This TCL TV uses the Google TV smart operating system.
Q: How many HDMI inputs does the TV have?
A: The TV has two HDMI inputs, one of which supports ARC.
Q: What is the resolution of this TCL TV?
A: This TCL TV has a 1080P Full HD resolution.
Q: Does this tv have a “picture off” feature in which the screen turns off but the audio remains on?
A: This TV should feature an "Audio only mode" feature that turns off the screen while keeping the audio on. Hope this helps! Thank you, TCL Customer Support
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TCL Q3K Series TVs now feature QLED technology that provides rich, vibrant colors that, combined with the HVA panel and Direct LED Backlight, makes a stunning picture in any living room. Powered by Google TV, Q3K Class TVs offer a simple and smart way to endless entertainment. Choose from 700,000+ 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.
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The smart TV you want. And a little more. Roku Select Series Full HD TVs are designed for a delightful streaming experience. Enjoy your favorites in bright Full HD and catch every word with auto speech clarity and night mode. Watch free live television right from the home screen or use the voice remote to find entertainment across thousands of apps. It’s the perfect TV for bedrooms, living rooms, kitchens, or kids’ rooms. Smart TV doesn’t have to be complicated. That’s why we’ve designed a line of flat screen TVs powered by the delightfully simple Roku experience.
| Pros for TCL - 40" Class Q3K Series 1080P FHD QLED Smart TV with Google TV (2025) | |||
|---|---|---|---|
| Picture Quality, Setup Ease, Weight, Size | Picture Quality, Setup Ease, Size, Weight | Picture Quality, Setup Ease, Size, Color | Picture Quality, Size |
| Cons for TCL - 40" Class Q3K Series 1080P FHD QLED Smart TV with Google TV (2025) | |||
| Remote Control, Connectivity, Brightness | Remote Control, Responsiveness, User Interface, Button Layout, Processor Speed | Remote Control, Connectivity, Refresh Rate, Screen, Viewing Angle | There were no cons for this product— |
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Reviews
Customers are saying
Customers love the 40" Class Q3K Series 1080P FHD QLED Smart TV with Google TV (2025), especially the excellent picture quality and ease of setup. Many find the size ideal for bedrooms and appreciate its lightweight design. Some customers have noted concerns regarding the remote control's quality, brightness, and connectivity issues.
- Picture Quality (264)
- Setup Ease (49)
- Weight (16)
- Remote Control (5)
- Brightness (4)
- Connectivity (4)
Customer Images
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
- Rated 5 out of 5 stars
Best Value 40"
For the price, you really can’t beat it. The picture quality is great for a TV in this range, and everything runs smoothly with Google TV. It’s also surprisingly light, easily the lightest TV I’ve ever mounted, which made installation quick and painless. Solid value all around.
JoshP Posted
- Rated 5 out of 5 stars
Go for it!
Great picture, great sound great price and easy to use. I couldn’t be happier. Thanks Best Buy!
Janmurph74 Posted
- Rated 5 out of 5 stars
TCL 40" QLED
I have 2 TCL tv's and am very happy. My original 50 " is probably 3 yrs old. No problems. Just bought a new 40" QLED TCL for my bedroom and love it. For a great price, great picture i recommend TCL both are google based.
KoryS Posted
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