Driver: Dynamic, 50mm with Neodymium magnets Form Factor: Closed Back Frequency Response: 10Hz – 20.2kHz Sensitivity: 104.5 dBSPL/mW at 1 kHz Frame Type: Plastic Ear Cushions: Memory foam and premium leatherette Element: Electret condenser microphone Polar Pattern: Bi-directional, Noise-cancelling Sensitivity: -12 dBFS/Pa at 1kHz