The Koss PortaPro foldable stereophone blends high-quality sound reproduction with a unique design for the ultimate in comfort and convenience. The over-the-head headphones allow for deep bass performance and a frequency response of 15 to 25,000 Hz to guarantee the music comes through crisp and clear.
Designed with comfort in mind, these headphones have two adjustable temporal-comfort zone pads to transfer the pressure and balance the ear plates on your ear. The PortaPros come with a carrying case, so it’s easy to take them with you even if you’re not wearing them. A 0.25-inch adapter is included to see to it they will fit with any system. Retails for around $49.99