Koss ESP-950 Electrostatic Headphone

New advances in materials and design have served to expand the performance of Koss products. The company's product development team and engineers look for the most innovative combinations of existing and new technologies to deliver the most exciting products possible.Koss ESP-950 model incorporates state of the art electrostatic transducers that operate on currentless electrostatic charges on push-pull capacitor plates to cause movement of the intervening, low-mass semi-conductive diaphragm. It also features soft, vinyl closed ear cushion design for better isolation.