Audyn Cap Plus vs. Audyn Cap Q4

[jerseyguy1996]

I'm curious how significant the difference is between these caps.....I mean other than the $20 or so in price?

 

[ticktock]

What application?

 

[jerseyguy1996]

All of the caps in the schematic on the second to last page of this pdf:

http://www.humblehomemadehifi.com/download/Humble Homemade Hifi_Proteus_copy.pdf