HiFiMan Jade II Electrostatic Headphones Classic electrostatic performance and a real world price. When HiFiMan introduced its first electrostatic headphone, Jade, in 2008, it quickly became a favourite of audiophiles and music lovers who fell in love with its natural, expansive soundfield. HiFiMan introduces the Jade II, a worthy successor to the original that benefits from many years of research and development. The new Jade II builds upon the reputation of the original HiFiMan classic with sonics that epitomize electrostatic speed and performance.