Denon AH-D9200, Over-Ear Headphones, Reference class with terrific sound, Ear-cups made of Japanese bamboo, elaborately processed artificial leather and padding from memory foam, Patented 50 mm FreeEdge nanofiber drivers with neodymium magnets greater than 1 Tesla deliver high-precision hi-res audio with minimal distortion, Impedance: 24 ohms, Sensitivity: 105 dB / mW, Frequency range: 5 - 56000 Hz, Max. Input power: 1800 mW, Weight: 375 g, Includes two cables (1 x 3 m long with 6.3 mm plug and 1 x 1.3 m long with 3.5 mm plug) and luxurious storage box