I was going to create a new post if someone could compare the SMSL D1SE vs smsl Su9 because they are both ess9038 pro, only a couple of differences (toroidal transfo, Nichicon, maybe a few more) but not sure if they worth 300 u$s from Su 9.another positive review (from headfonia):
https://www.headfonia.com/smsl-vmv-d1se-review/
at 629 $, an interesting option.
according to the article yeah the are a few differences.
629 Shenzhenaudio Store ( ali express not their site)