The INTER-SAT LTD company was awarded the TESLA brand in 2011 with the aim of continuing the tradition and value it has had among Czech consumers for over 70 years. In the menu you can now discover a number of quality household appliances that will save you time and money. Robotic vacuum cleaners, multifunctional electric pots, set-top boxes and antennas for receiving DVB-T2 broadcasts, multimedia centers, soundbars, GSM alarm and more. A wide range of accessories for all products is a matter of course.

TESLA MediaBox XT850 Android TV

multimedia player and DVB-T2 set-top box
  • Hybrid device: set-top box with Android TV™  
  • Google Assistant – voice search and control  
  • Ultra HD 4K & Dolby Audio  
  • Built-in Chromecast  
Access movies and shows, play music and games, transfer content from any device to your TV and add the apps you use most – all with Android TV. The TESLA MediaBox XT850 is a hybrid device that combines a multimedia device and a set-top box with support for DVB-T2 terrestrial reception.

Maximize your TV experience with Android TV  


With Android TV, you can add more features to your TV and get the most out of it. Choose from over 400,000 movies and shows from various streaming services. Use your voice to ask Google to control your TV, get recommendations on what to watch, dim the lights and more*. With Chromecast built-in, you can stream photos, videos and music from your smart devices to your TV. 


Download all your favourite apps and games from Google Play, which brings more than 7,000* apps and games to your TV. Enjoy them on the big screen with easy access from your Android TV home screen. Watch, play and do whatever you want, whenever you want.  


Watch a selection of the latest movies and TV shows before they’re released. Buy or rent them on the Google TV app (Google Play Movies).  


Watch music videos, tutorials, reviews and everything else you love that you can only find on YouTube – with friends and family – on your TV.  

A combination of terrestrial broadcasting and modern apps  


In addition to Android TV apps, the TESLA MediaBox XT850 also combines the ability to receive traditional TV broadcasts thanks to the integrated DVB-T2 tuner. Watch your favourite stations via the antenna and benefit from Czech teletext, an electronic programme guide and the TimeShift function.  

Most users are used to the HbbTV features that offer interactive content within the TV broadcast. However, with the TESLA MediaBox XT850 and its Android TV system, a new dimension of viewing opens up. The biggest Czech TV stations such as Czech Television, Prima and Nova now offer their own apps available directly on Google Play. Users can simply download and install these apps on their mediabox and enjoy their favourite content, be it shows, series or news, in full quality and with many other interactive features. As a result, there’s no longer a need to rely on HbbTV when Android TV offers so many more options and flexibility.  

Interact with your TV using Google Assistant  


Press the Google Assistant button on the remote to perform various actions on your TV with your voice. Search for shows, get recommendations, or ask questions and see answers, even control your TV faster – with your voice. Ask Google for a little help on the big screen.  

Endless entertainment options right on your screen  


With a wide selection of apps available on Google Play, you have a wealth of options. Stream your favourite movies and shows with platforms like Disney+, Netflix, HBO MAX,, Prima+, SkyShowtime, iBroadcast, Prime Video from Amazon and many more. TESLA MediaBox is a great solution for watching internet TV using apps like Skylink Live TV, Kuki, SledovaniTV, AntikTV and more. In addition, you can easily integrate IPTV programs into your TV list in addition to those already tuned in from terrestrial broadcasts. Music and constant entertainment is provided by YouTube, Spotify and Deezer. For lovers of games and various multimedia content, there are apps such as TV List, KODI and Red Bull TV.  


You can also customise your Android TV home screen to show your favourite apps, shows and movies. You can play the latest episode, pick up where you left off, or jump to a new show in your favorite app.  

Integrated Chromecast functionality for easy content sharing from mobile devices  


Chromecast built-in™ lets you easily and wirelessly stream your favourite movies, shows, music and other content from your mobile devices to your TV. Just connect your mobile device to the same Wi-Fi network as the media box and launch the Chromecast-enabled app. 


The feature is compatible with a wide range of apps, including Netflix, YouTube, Spotify, HBO Max and many more. This allows you to access your favourite content from a variety of sources without having to switch between apps. Plus, it lets you stream content in up to 4K Ultra HD resolution, so you can enjoy perfect picture and sound quality. With Chromecast, you can enjoy your favourite content on the big screen without cables and hassle.  

Project, share and control your TV with your phone  


Imagine having everything you have on your mobile phone right on your TV screen. With the TESLA MediaBox XT850 Android TV and the Google Home app, it’s now possible! The content mirroring feature allows you to easily project your phone’s image and content onto a larger TV screen. Whether it’s your favourite photos, videos, slideshows or even games, you can share them with family and friends in the comfort of your living room. What’s more? Your mobile phone can now also serve as a remote control for your TV. There’s no need to search for the controls under the cushions or in the crevices of the couch – just pull out your phone and control your TV with ease!  

Perfect harmony – 4K picture and Dolby sound  


Expect an uncompromising visual experience with the TESLA MediaBox XT850, which supports up to Ultra HD 4K resolution at 60Hz, complemented by advanced HDR10+, HDR10 and HLG technologies. These technologies guarantee a richer, clearer picture full of life and detail. When it comes to audio, you’ll experience a new dimension of audio sensation thanks to Dolby Audio technology. With support for Dolby Digital and Dolby Digital Plus, you can enjoy deep, clear, surround sound that complements your visual experience. Picture and sound will be in perfect harmony.  

Advanced hardware for a seamless experience  


The TESLA MediaBox XT850 is equipped with a powerful quad-core ARM Cortex-A35 processor and Amlogic S905Y4 chipset, which works with the ARM Mali-G31 MP2 3D GPU to ensure smooth and high-quality apps and games. With Android TV 11 and 2GB of DDR4 operating memory, you get fast and stable response. Users will also appreciate the 32 GB eMMC internal memory for storing apps and data. Internet connectivity is provided by fast Wi-Fi 802.11ac or LAN 10/100Mbps. Bluetooth 5.0 extends connectivity options, whether it’s a wireless keyboard, mouse, headset or gamepad. It’s a truly versatile device for the modern home.  

  • Built-in DVB-T2/C tuner  
  • Quad-core ARM Cortex-A35 CPU  
  • Amlogic S905Y4 chipset  
  • 3D GPU with ARM Mali-G31 MP2 GPU  
  • Certified Android TV 11 operating system  
  • 2 GB DDR4 operating memory  
  • 32 GB eMMC internal memory  
  • Wi-Fi 802.11ac 2x2 (2.4+5 GHz)  
  • LAN 10/100Mbps, RJ-45  
  • Bluetooth 5.0 - supports wireless keyboard, mouse, headphones or gamepad  
  • HDMI-CEC function - control connected devices via HDMI cable with one remote control  
  • Video decoding: 4K@60fps 10-bit H.265, 4K@60fps VP9 Profile2, 4K@30fps H.265/HEVC, HDR  
  • Support up to Ultra HD 4K (60Hz) resolution  
  • HDR10+, HDR10, HLG support  
  • Wide range of apps from Google Play**  
  • Dolby Audio (Dolby Digital, Dolby Digital Plus)***  
  • voice search  
  • Support for USB flash drive or external hard drive connection  
  • Support for online firmware update (OTA)  
  • Dimensions 148 x 100 x 31.5 mm  
  • Package size 213 x 138 x 80.5 mm  
  • product weight 171 g  
  • package weight 470 g  
  • 1x HDMI 2.0b  
  • 1x AV  
  • 1x USB 2.0  
  • 1x RJ-45  
  • 1x RF (IEC connector/socket)  
Package contains
  • TESLA MediaBox XT850 Android TV - multimedia player and DVB-T2 set-top box  
  • Bluetooth remote control  
  • (smart with microphone, including Google Assistant button - for convenient voice control and voice search without having to point at the TV)  
  • 2x AAA batteries  
  • Power adapter (100-240 V, 12V/1A output)  
  • HDMI cable  
  • user manual