smsl su-x

Hey guys! I have SMSL SU-X for a month and I love it. But this morning I wanted to play some music but I couldn't connect by Bluetooth. I've tried to reset Bluetooth paring on my phone as well as reset DAC. Unsuccessfully. Also I was trying to update firmware, but attempt also failed. The...

Has anyone encountered any issues with I2S unput on the SU-X? A couple of months ago I received a SU-X from Shenzen Audio. It was an upgrade from a SU10. The SU-X would not play sound over I2S but it would display the correct bitrate of the track being played. USB-B input worked fine. After a...

Several SMSL DACs using versions of the ESS ES9039 chip have mislabeled filters. First, I will use the case of the DL200 using one ES9039Q2M chip to show this is the case and correctly identify the filters. Then, I will show that other SMSL DACs using ES9039 chips namely the D-6S, DO100 Pro and...