AUDIO-TECHNICA ATH-A550Z

Closed head hi-fi dynamic headphones - 53 mm driver with ccaw coil (copper-clad aluminum wire) - proprietary low frequency tuning system d.a.d.s. (double air damping system) - headband with self-adjusting 3d wing supports that can easily adapt to different shapes and sizes of the head - frequency response 5 hz - 35 khz - impedance 40 ohm - sensitivity 100 db / mw - maximum input power 1000 mw - 3 meter cable with anti tangle sheath and fabric sock - matte black finish (satin black) - weight 300 grams