What’s new with the Xiaomi Mi Box S 4K (2nd Gen)

Xiaomi has just upgraded the Mi Box S 4K, its most popular streaming player that it first launched back in 2012. The Mi Box S 4K 2nd generation features a few new upgrades including an update to Google TV from Android TV, HDMI 2.1 from HDMI 2.0, HDR10+, and Dolby Vision support.

The 2nd Gen streaming device from Xiaomi retains the same compact and stylish look that we saw in the previous device. Measuring only 95.25mm x 95.25mm x 16.7mm and weighing just 142g, the Mi Box S 4K 2nd Gen is exactly the same dimension and weight as its predecessor.

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This streaming device supports an output resolution of up to 4K (3840 x 2160) just like its predecessor with a slightly improved Quad-Core Cortex-A55 CPU and ARM Mali G31 MP2 GPU, ensuring that you get the best picture quality and smooth streaming experience. With 2GB of RAM and 8GB of ROM, Xiaomi will disappoint a lot of fans who might have been hoping for a specs upgrade.

The Mi Box S 4K 2nd Gen runs on the Google TV operating system compared to Android TV of the previous device, providing a user-friendly interface and easy navigation. You can access all your favorite streaming apps, including Netflix, Amazon Prime Video, Disney+, and more.

The device supports 2.4GHz/5GHz Wi-Fi and Bluetooth 5.2 an upgrade from Bluetooth 4.0 of its predecessor. The video decoder supports up to 4K 60FPS and Dolby Vision®, HDR10+, and DTS-HD, ensuring that you get the best audio and visual experience. This is also an upgrade since the previous device only supported Dolby Audio and DTS. You can also customize your language preference as the device supports a global language selection.

The device has one HDMI 2.1 port which is also an upgrade from HDMI 2.0. Xiaomi didn’t specify exactly what HDMI 2.1 features its device supports. You also get one USB 2.0 port, one power interface, and one audio output. This means that you can easily connect the device to your TV or any other compatible device and enjoy your favorite content with ease.

Price and availability

Mi Box S 4K 2nd Gen has just been announced and therefore there’s scanty information on its price. What we know is that this device will be available globally and should appear in online stores soon. On Aliexpress, this device is listed for $64.99 which is more or less the same price as its predecessor.

Mi Box S 4K 2nd Gen Full Specs


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  • Length: 95.25mm
  • Width: 95.25mm
  • Thickness:16.7mm
  • Weight:142g
  • Color: Black


  • Output Resolution: 4K (3840 x 2160)
  • CPU: Quad-Core Cortex-A55
  • GPU: ARM Mali G31 MP2
  • RAM: 2GB
  • ROM: 8GB
  • Operating system: Google TV

Wireless connectivity

  • Wi-Fi: 2.4GHz/ 5GHz
  • Bluetooth: 5.2

Video decoder: Up to 4K 60FPS, Dolby Audio® and DTS-HD, Dolby Vision®, HDR10+

Support language: Global


  • HDMI 2.1: 1
  • USB 2.0: 1
  • Power interface: 1
  • Audio output: 1


The Xiaomi Mi Box S 4K (2nd Gen) is a powerful and versatile streaming device that offers a lot of features for a reasonable price. It supports all HDR formats in 4K, including Dolby Vision and HDR10+, which deliver stunning image quality and contrast.

It also supports Dolby Atmos and DTS-HD, which provide immersive sound effects and high-quality audio. It runs on Google TV, which organizes your content from different apps and subscriptions and lets you control your TV with your voice. It has a sleek and compact design, a 360° Bluetooth and IR remote control, and multiple ports for easy expansion.

If you are looking for a smart TV box that can handle 4K media content, games, and wireless projection with ease, you should definitely consider the Xiaomi Mi Box S 4K (2nd Gen).

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