Love my 9018D USB DAC! I don't even bother using my Lexicon digital preamp anymore. When the unit died a couple of weeks ago, Nick and Cindy helped sent me a new replacement promptly and hassle free. Great product and great customer service!! Thanks guys!
Hifime
Post a link to online reviews, we will edit it to the first post.
Hifime 9018D:
http://www.head-fi.org/products/hifime-9018d-asynchronous-high-resolution-usb-dac/reviews/14041
Sabre DAC #2 USB DAC in 2016
https://wiki.ezvid.com/best-usb-dacs
Sabre 9018 DAC:
http://www.head-fi.org/products/hifime-sabre-9018-usb-dac
http://www.lydogbillede.dk/test/hi-fi/hifime-sabre-9018/ (in Danish)