The price is for 2 cards, for stereo use.
Most of the components are packaged in SMD format.
The transistors used are BC847C + BC857C. The latest NAIM model employs this type of transistors, which can ensure a sound more similar to that of traditional cards.
The small-capacity capacitors are from Japanese Murata's COG. The large-capacity capacitors are tantalum capacitors and high-quality electrolytic capacitors produced in Japan.