Audio-Technica ATH-R70 X, Reference Headphones, Circumaural, Open, 3D wing system, Cable routing on both sides, Breathable ear pads, Highly efficient magnets, 45 mm driver, Frequency range: 5 - 40000 Hz, Max. Input power: 1000 mW at 1 kHz, Impedance: 470 ohms, Sound pressure: 98 dB, Weight: 210 g (without cable), Colour: Black