Technical specifications Aune Audio, a Chinese company established in 2004, has gained a reputation for its interesting Class A headphone amplifiers and a few high-quality DACs. Recently, the manufacturer also released its first AR5000 over-ear headphones as a result of several years of development. For some time, I have been most interested in the S17 Pro headphone amplifier, priced at around 700 euros, whose JFET implementation differs from most other competitors under 1000 euros. Thus, I approached the manufacturer to inquire about the...