Here is the actual answer you were looking for: The Dynalink TV Box (4K) for $30.
Unbeatable price
One of 3 TV boxes supported by LineageOS for best privacy. Only other ones are the Nvidia Shield devices ($100+) and the Google ADT developer devices (can’t be easily purchased)
Possible to use without GAPPS or with GAPPS and a root firewall
Can use VPN or custom DNS despite regular Android TV limitations
Here is the actual answer you were looking for: The Dynalink TV Box (4K) for $30.