Xiaomi has launched Xiaomi in ChinaBox Mi Box 4S MAX，already available in JD.comorder。As the marketing image suggests，Mi Box Mi Box 4S MAX is a streaming box，Can bring smart TV functionality to the monitor、on a projector or TV。Reference，The dimensions of Xiaomi Mi Box 4S MAX are 95 x 95 mm x 16 mm。
According to Xiaomi，Xiaomi Mi Box 4S MAX supports HDMI 2.1 connect，Supports up to 8K streaming。However，Amlogic S905X3 SoC can use Amlogic Video Engine (AVE) Decoding 8K content remains to be seen。if not，The peak decoding speed of Mi Box 4S MAX is 4K/60 FPS。
by the way，Mi Box 4S MAX streaming media box has 4 GB of RAM and 64 GB of storage，For running MIUI for TV。As expected，Xiaomi also includes a remote that supports voice commands，Reflects the capabilities of Amazon Fire TV products。
also，Xiaomi also equips the Mi Box 4S MAX with a dual-band WiFi modem、USB Type-A interface and AV interface。allegedly，The streaming box also supports Dolby Atmos and DTS audio，But other features like MEMC technology are missing。Currently，Mi Box 4S MAX launched in China，selling price 499 RMB (~75 USD)；but，Xiaomi has yet to confirm if it plans to launch Mi Box 4S MAX globally。