English Stereo headphones Specifications Type: Closed, dynamic Driver unit: 9 mm, dome type (CCAW) Power handling capacity: 100 mW (IEC*) Impedance: 16 Ω at 1 kHz Sensitivity: 100 dB/mW Frequency response: 8 Hz – 22,000 Hz Cord: 1.2 m, Litz cord (Y-type) Plug: Gold-plated L-shaped stereo mini plug Mass: Approx.