Features: Audio-Technica ATH-T22 closed-back dynamic stereo headphones give you superior sound and comfort. The ATH-T22 headphones have a secure ear-fitting design for excellent isolation, and sophisticated driver technology for clear sound. Features include proprietary 40mm drivers; maximized power handling capability; and clean, linear low end response. Self adjusting lightweight headband, generously padded ear cushions, and rotating earpieces allow for comfortable, versatile listening. 20Hz-22kHz frequency response.