Audio-Technica ATH-M50xDG LIMITED EDITION Professional Studio Monitor Headphones Special edition dark green color, with brown headband and earpads 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 Circumaural design contours around the ears for excellent sound isolation in loud environments