The Audio-Technica ATH-PRO500BK Professional DJ Monitor Headphones features a strong 40mm driver with neodymium magnet for a powerful bass. Adopts a redesigned outfit for improved strength and a better rotation of the earpieces. Audio-Technica's ATH-PRO500 has a flexible cord, designed for professionals and DJs. With a folding system that reduces space use and it is easy to store. It comes with a high quality pouch that protects the headphones. The large earpads give a comfortable fit around the ears.