I am selling/trading my Cen.Grand 9i-90SA II Pro DAC/amp for a dedicated DAC or DAP that is sub-$1k, but offers above that price range are welcome, and I can add cash if necessary. The only imperfection is a ding on the volume knob (see picture).

Info page:
https://en.cen-grand.com/product/148.html

Link to a review (in Chinese):
http://bbs.erji.net/forum.php?mod=viewthread&tid=2271446

Feel free to PM if you have any questions or want to discuss any trades,
Thanks and happy listening!