The pinnacle of sound reproduction, the acclaimed Koss ESP950 set the standard for electrostatic headphones.

• The earphone has a straight frequency response between 8 and 35,000 Hz
• Patented electrostatic membranes
• Adjustable, detachable headband

The ESP/950 feature Koss’s revolutionary electrostatic transducer design, which includes unique materials and construction for mechanical damping and a proprietary semi-conductive diaphragm coating for an ultra-flat frequency response across the entire range. 

That means deep, clean bass with remarkable power and unmatched sound quality. What else would you expect from the people who introduced the world to private listening?

Not only do these professional headphones provide extremely low distortion, they also offer unbeatable sound quality and reproduction for an utterly unique listening experience.

Included with the ESP/950 is energizer, battery pack, leather carrying case, connecting cables and 220 VAC adapter.

Specifications
Frequency response: 8-35,000 Hz
Impedance: 100k ohms
Sensitivity: 98 dB SPL / 1mW
Plug: 6.3 mm
Weight: 305 g