The Shangri-La Sr electrostatic headphones break through the known boundaries of music listening, opening up a new world. One of the most valuable headphones in the world, it delivers expressive, clear, precise and infinitely dynamic sound. The special ~ 0.001 mm thick NsD (NEO supernano Diaphragm) membrane is capable of extremely fast and precise sound reproduction between 7Hz and 120000Hz. The most realistic sound that reaches the highest expectations. This special headphone featuring this rare technology performs perfectly with the electrostatic amplifier of the same name. The word Shangri-La is synonymous with paradise on earth.