If you are looking for a 4K Android 6 TV box media player packed with great features such as Quad Core 64 Bit, HEVC 10 Bit, 3D, HDR, Ultra HD, 1920 x 1080 pixels screen resolution, 16 GB of RAM, 9 GB of internal storage and HDMI 2.0a, check out Zidoo X9S!
Being a Quad Core 64 Bit, the Zidoo X9S 4K Android 6 TV box has a four-core ARM Cortex A53 architecture with Mali T820 graphics processor (GPU) and clocking speeds of 600 MHz and 1.40 GHz.
Zidoo X9S runs on dual operating systems, Android 6 and Linux OpenWRT, and uses a RealTek RTD1295 processor (CPU) which has native support features such as HDMI IN recording, SATA hard drives and USB 3.0. If you aren't familiar with HDMI IN recording, it is a DVR-like feature that allows you to passthrough cable box media and record it to the SD card of the X9S TV box.
As far as the exterior of the X9S TV box itself, it features an LCD display with power LED clock and IR sensor.
On the right hand side, you find a SATA connection port for connecting external drives, as well as three USB ports (one USB 3.0 and two USB 2.0).

The left side of the unit and bottom features ventilation inlets and outlets for cooling the unit, as well as rubber feet.
The back of the Zidoo X9S features dual removable antennas, gigabit Ethernet port for hard wiring into your network, HDMI output, HDMI input for recording and picture-in-picture mode. composite output port, optical spdif for Dolby Digital, SD card slot, 12 V power inlet and power off/on switch and restore pinhole for going into recovery mode to update the firmware.
Inside the box, you get a power adapter, a SATA connection cable, two removable antennas, an IR remote control, a HDMI cable and instructional guide.
Definitely the best feature about having OpenWRT has to be the services features that allow you to set up VPNs or secured shell tunnels to allow you to connect from outside of your network into your X9S TV box to retrieve files.
With OpenWRT, you also get NAS services which gives you the ability to connect external drives so the X9S TV box can act as a DLNA server and SAMBA share for media playback/streaming and to allow other devices to connect to the X9S TV box. You can also set up automatic back ups via NAS Services' Time Machine and use the BitTorrent client feature to send files to your X9S to download remotely or locally.
Being a BitTorrent client, you get the standard WebUI feature so you can track your downloads in real time as well as being able to choose a file path for the downloads to be saved to.

When it comes to video, Zidoo X9S Android 6 TV Box supports HDMI 2.0, 4K at 60 frames per second, 10-bit 4K, VP9, H265 and Dolby Digital decoding and DTS-HD passthrough so you can decode HD audio and downmix to stereo.
Zidoo X9S Android 6 TV Box comes pre-loaded with ZDMC and other cool apps such as Box RC that allows you to control the X9S TV box with your smartphone. By the way, ZDMC is a custom tweaked version of KODI that performs better than standard KODI.
Zidoo X9S Android 6 TV Box is also picture-in-picture pip capable, which means you can watch one program in full screen and several other programs simultaneously in inset windows.
Zidoo's X9S has an easy to use and intuitive interface, featuring the handy Android drop down notification bar.