Audio Technica ATHA500X Audiophile Closed-Back Dynamic Headphones Rich and balanced acoustic qualities from newly designed 53mm drivers Soft ear-fit design eliminates pressure on the ears, providing long listening comfort 3D Wing Support Housing vibration-proof mechanism gives comfortable support for a better listening experience D.A.D.S. structure delivers deep, impactful bass Gold-plated stereo 1/8 (3.5 mm) connector with 1/4 (6.3mm) adapter