The Koss UR40 combines powerful sound with an ultralight design, optimal when you want to enjoy your music on the go.

• Headphone suitable for both computer and portable devices
• Titanium membrane for crystal clear sound
• Collapsible to facilitate transport

With improved signal transmission for a clean and clear sound, these headphones will minimize mechanical distortion and ensure exceedingly accurate sound reproduction.

Featuring a hybrid design, the UR40 integrate the best of closed and open style headphones. Closed leatherette ear cushions form a tight seal around the ears to enhance bass frequencies,while perforated earcups deliver open, audible ambient sound that keeps you aware of your surroundings.. The result: a clean, full frequency, great sound that turns every recording into a “live” performance.

With just over 170 grams, you carry the Koss UR40 headphones comfortably, store them easily and travel lightly. Titanium sound in a collapsible, lightweight package.

Specifications
Frequency response: 15-22,000 Hz
Impedance: 60 ohms
Sensitivity: 98 dB SPL / 1mW
Plug: 3.5 mm
Weight: 170 g