Pros: Small, good-sounding, USB can pass-through optical digital with the unit on or off, very well-built
Cons: Not so great with IEMs or high-impedance headphones.
Review: Furutech ADL Esprit Headphone amp and DAC/ADC
Furutech are a Japanese company very well known for their cable products, the other most well known being Oyaide. It was interesting to see that fairly recently, they had started branching out into making audio equipment under the name of ADL, which stands for Alpha Design Labs. Their portable amp, the Cruise and their first USB amp product, the GT-40 (which includes a phono stage) were quite well received, though are fairly unknown on Head-Fi. While at the Fujiya Avic Headphone festival in Tokyo, I saw that they had a new product, the Esprit, which combines a DAC, pre-amp and headphone amp and managed to borrow one briefly to give it a quick go. Since I liked what I heard, I arranged with Furutech for a loaner for review.