Headphones: Grado RS-1X; Senn HD6XX
Amps/DAC: Schiit Gungnir Multibit, Schiit Bifrost Multibit 2/64, Schiit Lyr3/Multibit, Audioquest DragonFly Cobalt
Accessories: Uptone Audio Regen, Schiit Wyrd
Source(s): Macbook Pro 17" running Audirvana 3.5, Tidal, iTunes