65" Ultra Slim 4K HDR PRO TV with Onkyo sound bar and Android TV
Exceptional images deserve exceptional sound.

EC78 Series combines Frameless Ultra Slim Metal Design, 4K HDR PRO Picture quality with Wide Colour Gamut, Dolby Vision, HDR10+  and the most advanced Smart TV system ever: Android TV with Google Assistant built-in. EC78 Series is designed for those who do not want to compromise between performance and elegance.

Enjoy an incredibly immersive Dolby Atmos sound experience for your movies, music, and video games thanks to its ONKYO high-class sound system equipped with 4 front firing speakers.

Easily access to the contents you love thanks to integrated hands-free voice control: you can talk directly to your TV.

The luxury design of EC78 Series comes with an elegant metallic central stand so that this large screen TV can be easily placed on any surface at home.

Elegance meets performance and technology for a perfect harmony.

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4K HDR PRO: superb contrast, vivid accurate colours and finest details

The latest standard for 4K UHD content is High Dynamic Range. It expands the range of both contrast and colour significantly. HDR PRO produces dazzling detailed images with accurate reproduction of light and dark shades. On top, HDR PRO combined with Wide Colour Gamut provides a superior High Dynamic Range experience delivering purer and richer colours. Enjoy brighter and deeper images, greater contrast, extended range of colours and details like never before.

Wide Colour Gamut : The Colours of Cinema

Discover the incredible variety of intense and ultra-realistic colours of digital cinema in your living room thanks to the Wide Colour Gamut that reproduces 30% purer and richer colours than traditional LED screens.

Dolby Vision - Atmos: amazing realism that you’ll see, hear, and feel like never before.

Dolby Vision HDR brings extraordinary color, contrast, and brightness to the screen, transforming your viewing experience. Dolby Atmos transports you into the story with moving audio that flows all around you with breathtaking realism.

Don't miss any detail with your 4K HDR 10+ TCL TV

Thanks to HDR10+ on your TCL TV, you will enjoy rich and real life pictures, whatever the scenes are dark or bright. HDR 10+ makes sure every scene is precisely optimised for colour, contrast, and the finest details.

Integrated ONKYO Soundbar: The Cinema Audio Experience at home

4 front firing speakers with 60W capacity on 65'' and 56W capacity on 55'' deliver incredibly immersive sound for your movies, music, and video games. The high-class ONKYO sound system elevates your experience with cinema quality audio that take movie experience into the next dimension.

With advanced voice control, TCL's Android TV makes life smart and simple

TCL Android TV's offer a hands-free TV experience (far field control). Without a remote, you can use your voice to access, launch, and control content, turn on your TV, switch inputs, adjust the volume, search for content, and more from a distance. It's so easy, talk to your TV as you would talk to your friends!

Android TV for easy and unlimited entertainment

Android TV comes with Google Home and Google Assistant* built in. Find the latest blockbuster, check the score of the big game, or dim the lights — all without leaving what you’re watching. Android TV also allows to cast UHD contents directly on TV and enjoy native 4K HDR applications on your big screen. Innovative features like Picture in Picture (PIP), easy task switching, multi-user accounts or side settings ensuring the favorite content of all family members is always front and center. * The Google Assistant is not available in certain languages and countries. The Google Assistant requires an internet/data connection. Data rates may apply. Availability and performance of certain features and services are service, device, and network-dependent and may not be available in all areas.

Meet your Google Assistant*

Ask it questions. Tell it to do things. It’s your own personal Google, always ready to help with over 1 million actions. Ask it anything Tell it to do things. Control home devices.

* The Google Assistant is not available in certain languages and countries. The Google Assistant requires an internet/data connection. Data rates may apply. Availability and performance of certain features and services are service, device, and network-dependent and may not be available in all areas.

Watch Netflix in 4K HDR

Netflix is one of the largest Internet TV channels in the world, with a range of programmes designed to have something for everyone. Watch programmes scheduled just for you, including Netflix original series and award- winning films and documentaries. Now available in 4K UHD HDR quality.

Watch YouTube in 4K HDR

With YouTube, you can see what the whole world is watching, from the most popular music videos to the vid- eo games and popular entertainment programmes, via the news and much more. Subscribe to the channels you line, share with your friends and watch on any device. And now, available in 4K UHD HDR quality.

Alexa lets your voice control your world*

Amazon Alexa lives in the cloud and is always getting smarter. Ask Alexa to play music, hear the news, check weather, adjust TV volume, change TV channel, control your smart home, and more.

*Alexa compatibility allow you to use your Amazon Alexa devices, including the Amazon Echo, Echo Dot, Echo Show, Echo Spot, and Echo Plus (purchased separately), to control your TV.

Amazon Prime Video

Thousands of popular movies & TV shows, award-winning Prime Originals and live sports. Plus, FREE One-Day Delivery on millions of items. Watch anywhere. Cancel anytime.

Elegant frameless metal design with central stand

No frame on the front for a bigger screen and picture that you love. This ultra slim design concept is using metal, making it not only an elegant piece of craftsmanship but also a durable one that will blend with your living space. On top, it comes with an elegant metallic central stand so that this large screen TV can be easily placed on any surface at home. Elegance meets performance for a perfect harmony.

EAN Code
Size (WxHxD) in mm
1448 / 931 / 337 mm
Size w/o stand in mm
1448 / 861 / 7.8-19-74-95 mm
Packaging size in mm
1645 / 1080 / 190 mm
Weight product / with packaging
24.20 / 31.40 kg
Weight without stand
22.60 kg
VESA status
Vesa compatible
VESA size
400 x 200 mm
Remote control batteries
Remote control type
Stand type
Screen size
65 in. / 165.1 cm.
Visible screen size
65 in. / 164 cm
Digital Noise Reduction
Dynamic contrast
UHD upscaling
Film Mode
Sports mode
Picture Performance Index
10 bit panel
Wide Color technology
Wide Color Gamut
HDR (High Dynamic Range)
Dolby Vision, HDR10+, HDR Pro (HDR10, ST-2084), HLG
Smart HDR
Picture processing
IPQ 2.0 Engine
Color management
3D LUT, 10P & 2P calibration
Micro Dimming
Sound power
2x15 W
Music sound power
2x30 W
Dolby AC4, Dolby TrueHD, Atmos
Speaker type
Front Firing
2 way
Auto volume control
Dolby Atmos
Yes (1.4)
DTV Tuner
Analogue Tuner
Auto channel search
Analogue Tuner Systems
Instant power on
web browser
AndroidTV & TV+ (29 languages)
Quad Core
WiFi sharing
Chromecast & T-cast
Netflix, YouTube & more
Android OS
Android P (9.0)
Internal memory
16GB / 10 GB
Smart Home
Google Home
AI Google Assistant
Google Assistant Far Field Ready
AI Amazon Alexa
Works with Alexa
Voice search
USB Multimedia Browser
Video up to 4K: AVI, WMV, MP4, MPG, TS, MKV, WebM, VP9, Audio: WMA, MP3, Pictures: HEIF, JPG, PNG, BMP, Text subtitles
Caption (Subtitle)
Game mode
OSD Languages
29 Albanian, Bulgarian, Croatian, Czech, Danish, Dutch, English, Estonian, Finnish, French, German, Greek, Hungarian, Italian, Latvian, Lithuanian, Macedonian, Norwegian, Polish, Portuguese, Romanian, Russian, Serbian, Slovak, Slovenian, Spanish, Swedish, Turkish, Ukrainian
USB channel list clone
HDMI CEC (T-link)
HDMI quick switch
DLNA 1.5
USB HID support
Sleep Timer
picture in picture
CI (slot) / Type
2 x 2.0
Ethernet (LAN RJ-45)
3 x 2.0b
HDCP 2.2
Digital Audio Out
Sat: Diseq - SCD
Yes v.2.2 / No
Yes (3.0) via HDMI1
DVI-in (video)
via HDMI3
RF in (IEC Terrestial/Cable)
RF in (F Sat)
via HDMI 1
HDMI max resolution
2160P/60Hz 12bit
Built-in ac/n/g
Stand-by power consumption
0.23 W
Average power consumption (IEC 62087 Ed. 2)
120 W
Max power consumption
170 W
Energy efficency class
Annual power consumption (EU standard)
128 kWh
Auto power off
Power supply
Peak luminance ratio


The buyer’s guide: discover the ideal TV for you

You have to consider many different criteria when choosing your new TV, and it is not always easy to set your priorities (look, blending into your interior, uses, 4K or UHD image quality, Smart TV or Android TV connectivity, budget), which is the reason why TCL has produced this buyer’s guide. These four questions will quickly and easily guide you towards the ideal TV for you and your family and friends.