Brand: Koss. MPN: KPH7K. The Black Koss KPH7 on-ear headphones are a lightweight design that delivers the full power of the Sound of Koss. Delivering incredible sound performance it is ideal for listeners seeking ultra-light headphones. These on-ear headphones are equipped with dynamic elements for an extended frequency response. The headphones feature an over-the-head design with contemporary style. Whether you use them with portable MP3 players or iPods the KPH7 is the ideal headphone.