I have been looking for a streamer that would support my SACD/.DSF files. I was lucky to find the player when it was in stock on Amazon. I received the unit and tried to play .DSF files from the folder I loaded onto the 2TB SSD drive installed into the A6. I tried playing thru TOSLINK/Optical cable. I was not able to play Multi but Stmultiereo sounded great. I decided to add and HDMI cable that I had laying around, but no luck. I went and bought a 2.1 spec cable, that is labeled, High Speed, 8K, 10K support. I plugged it into the system, but no luck. I then went around the back of the unit and disconnected the both TOSLINK, Optical and Coax from the system. I was messing around and touched the HDMI Icon on the front and low and behold my Denon AVR lit up DSD PURE DIRECT. I had multi and stereo channels working correctly.