“The application looks and works great IF your headphones are supported. Unfortunately I've discovered none of Stax headphones are, including my X1. Please add the support”
“While I was thoroughly pleased with my Reference 3 for Headphones, so much so that I never saw the need to upgrade to version 4, I must say that I am very satisfied with the improvements made in SoundID Reference for Headphones. It's not terribly different, but things just seem to low more easily with the upgraded version.”