Audio-Technica ATH-M30X, Studio Headphones, Closed-back, Circumaural (full size), Dynamic, 40 mm Drivers with rare earth magnets and copper-clad aluminum wire voice coils, 90 Degrees swiveling earcups, Frequency Range: 15 - 22000 Hz, Maximum Power: 1300 mW at 1 kHZ, Impedance: 47 Ohm, Peak SPL: 98 dB, 3m Cable with 3,5 mm stereo mini-jack, Single-side cable output, Weight (including cable): 265 g, Weight (excluding cable): 205 g, Colour: Black, Includes 6.3 mm adapter and carry pouch