I heard the Aurender W20 at the THE Show in Newport Beach but was not able to compare it to anything else. I purchased the Aurender N10 because of its sound quality, features and ease of use with the iPAD. I found the following information on the Internet that you might find useful:
Which Aurender is for me?
Posted January 27th, 2016 in Computer Audio
http://www.pearlaudiovideo.com/blog/expertise/computer-audio/which-aurender-is-for-me/
AURENDER W20 MUSIC SERVER
Not Just a Pretty Interface
by Robert Harley | Feb 04th, 2016
http://www.theabsolutesound.com/articles/aurender-w20-music-server-1/
Which Aurender is for me?
Posted January 27th, 2016 in Computer Audio
http://www.pearlaudiovideo.com/blog/expertise/computer-audio/which-aurender-is-for-me/
AURENDER W20 MUSIC SERVER
Not Just a Pretty Interface
by Robert Harley | Feb 04th, 2016
http://www.theabsolutesound.com/articles/aurender-w20-music-server-1/