Grado Prestige Series SR125i Headphones (Discontinued by Manufacturer)
Grado's SR125 Headphones combines lightness with extreme rigidity, for a more enriching sound experience. Its internal damping, improved diaphragm and voice coil design create fine tonal spread and balance -- delivering a better audio experience. It also features UHPLC (Ultra-high purity, long crystal) copper voice coil wire for better sound. Its diaphragms are put through a special 'de-stressing' process in order to enhance inner sound detail. For audiophiles who want a superior home listening experience, the Grado SR125 is the way to go. Operating Principle - open air Frequency Response - 20Hz-20KHz SPL - 1mV 98 Normal impedance - 32 ohms Driver matched db -. 1