See post #1,059. This is as good as it gets. Its not from SMSL, of course but ShenzhenAudio is trying to clean up their mess.
What he said. Quit focusing on the firmware revision as it did not change and was not a part of the "fix".
^^^^SMSL did NOT update the firmware revision number when they corrected this bug, so it is completely worthless for determining whether or not your SU-9 has the fix or not.
What he said. Quit focusing on the firmware revision as it did not change and was not a part of the "fix".