iFi Audio Nano iDSD Black Label headphone amp/DAC - The Absolute Sound
iFi iDSD Black Label: Swiss Army knife utility, top tier sound and flexibility that does everything extremely well, so much value it's just unfair to the competition – Audio Primate
iFi Audio micro iDSD Black Label Desktop/portable USB DAC/preamp/headphone amplifier at Crutchfield
iFi Audio - micro - iDSD Black Label | Kitsune HiFi - HoloAudio USA