Hifiman Arya, Hifiman Sundara, Sennheiser HD 660s with Burson Soloist 3XP
The Soloist 3XP is much more detailed than the amplifier I used prior (Asgard 3). It is able to get the most out of my HD 660s and Sundara as well as being a great pairing with my new pair of Arya headphones.
Focal Clear, HiFiman Ananda with Burson Soloist 3XP
First Burson purchase, first time Burson user