The Deva Pro wired headphones offer the excellent music sound quality of the planar magnetic technology. The special ~0.001 mm thick NsD (NEO supernano Diaphragm) is able to provide fast and accurate sound reproduction between 20Hz and 20000Hz. The magnets that were designed with HiFiMan's Stealth Magnets Design technology are acoustically transparent, so sound waves can travel without interference. A reliable headphone with a comfortable fit, a stylish look and a surprisingly affordable price. The Sanskrit word Deva means heavenly.