Audio-Technica ATH-M50xDG Professional Studio Monitor Headphones Deluxe Bundle Special edition dark green color, with brown headband and ear pads With Fiio amplifier and in-line mic Critically acclaimed sonic performance praised by top audio engineers and pro audio reviewers Proprietary 45 mm large-aperture drivers with rare earth magnets and copper-clad aluminum wire voice coils Exceptional clarity throughout an extended frequency range, with deep, accurate bass response