Audio-Technica ATH-M20X, Monitor Headphones, Closed-back, Circumaural, Dynamic, 40 mm Driver with neodymium magnet and copper-clad aluminium wire voice coils, Swivelling ear cups (up to 90°), Frequency range: 15 - 20,000 Hz, Max. input level: 700 mW bei 1 kHz, Impedance: 47 Ohm, Sensitivity: 96 dB, 3 m cable with 3.5 mm jack plug, Single-sided cable exit, Weight with cable: 251 g, Weight with cable: 200 g, Colour: Black, Incl. a 6.3 mm adapter