Audio-Technica ATH-M20xWH monitor headphones - dynamic, closed back, 40 mm drivers with rare earth magnets and copper-clad aluminum wire voice coils, 90 degree swiveling earcups, frequency range: 15 - 20000Hz, max. input power 700 mW@1 kHz, 47 Ohms impedance, 96 dB SPL, 3m cable with 3.5mm stereo jack (single-side cable exit), includes 6,3mm adapter, weight:: 251g with, 200g without cable. colour: white