Quite a lot of people that want to play SACDs found the Chinese box. I’m sorry, but I have no idea who the manufacturer of this box is and as Joe’s link above shows, you’ll have to go to EBay, it’s not on Amazon.
You’ll find a good starting point in the following thread:
Thanks to Joe’s posts, I found this option and for me it worked almost in one go. I just had to connect the HDMI cables. Although my Strata mk2 does not recognise the bit rate in the display (seams to be a problem in the Strata firmware), SACDs, Blu-rays- and CDs play without any problem 