Koss KPH7 on ear headphones offer an affordable, lightweight design that delivers the full power of the Sound of Koss in a wide range of colorways perfect for learning labs, schools and libraries. Delivering incredible sound performance, it is ideal for listeners seeking affordable, ultra-light headphones. The KPH7 on ear headphone is equipped with dynamic elements for an extended frequency response. It features an over the head design with contemporary style. Perfect for learning labs, schools and libraries.