Audio Technica ATH-M60X On-Ear Professional Monitor Headphones - BlackPure. Professional. Performance. Designed for studio, broadcast and mobile applications, the ATH M60x on ear professional monitor headphones utilize the same proprietary 45 mm large aperture drivers, delivering exceptional clarity throughout an extended frequency range with accurate bass response. The low profile, closed back, on ear design provides excellent sound isolation and a great fit, which is enhanced by the exceptional comfort and durability