来自英国的评测 review from UK,Hifiman Susvara & XIAudio (Eleven Audio) Formula S

but I prefer the addition of the XI Audio (Eleven Audio) Formula S on a tonal basis. The XI Audio Formula S doesn’t change the tone, and doesn’t provide much in the way of width enhancement, but the depth improvement is greater—also tried this with the Wire on Wire Experience680 interconnect vs. Atlas Element Integra that I was using; gets added width, but sound is also a little bit more fatiguing. The XI Audio Formula S has laser precision in it’s layering and instrument separation. Listening to Rush – Tom Sawyer I’m struck by the gorgeous resolution on Neil Peart’s drums. Each drum strike has space and air around it. The outstanding recording and play of Rush absolutely shine with a convincing soundstage portrayed—it is miniaturised reality, like being there. The XI Audio Formula S has effortless delivery…

https://audioprimate.blog/2017/12/28/the-hifiman-susvara-a-breathtakingly-beautiful-and-breathtakingly-expensive-headphone/