Hello , maybe I am too late at the party but here is my review on the Sundara.
Plus the most comprehensive comparison between Sundara , Deva and HE400i 2020.
https://www.head-fi.org/showcase/hifiman-sundara.23041/review/24766/
Plus the most comprehensive comparison between Sundara , Deva and HE400i 2020.
https://www.head-fi.org/showcase/hifiman-sundara.23041/review/24766/