"I’m very pleased with the Auris Audio HA2-SF. The updated model now not only has a balanced circuitry and gain selection, but it is technically stronger and more high-end sounding." 

"Indeed I found myself going through album after album with no sign of fatigue, such was the creamy balance of the Euterpe's presentation. That's no bad thing for a headphone amplifier…"

"In the case of those Vladimir de Pachmann piano rolls, I felt I was communing with a long-forgotten art spirit. In the case of the Wailers' "Get Up, Stand Up" and Ennio Morricone's "The Good, the Bad and the Ugly," I was able to dream backward and reexperience some of the feelings that formed my present worldview. These were not trivial moments.."