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Koss

Koss UR40 Ultra Lightweight Stereophone with 15-22,000 Hz Frequency Response

SKU: KSUR40 MFR: 165466
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$39.99 List Price

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$26.99
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About the Koss UR40

Koss UR40 is a Ultra Lightweight Stereophone. The UR40 delivers digital quality sound in an ultra-lightweight design for listeners on-the-go. The UR40 features dynamic elements for a wide frequency response from 15-22,000 Hz. A 2 mil. titanium coating on its diaphragms increases the rigidity of the elements, minimizing mechanical distortion and ensuring exceedingly accurate sound reproduction.

Computer-optimized neodymium iron boron rare earth magnet structures enable the UR40 to deliver greater volume, even with low-voltage portable devices. Oxygen-free copper voice coils improve signal transmission and conduction for cleaner, clearer sound. With its hybrid design, the UR40 combines the best of closed-style and open-style headphones.

Closed leatherette earcushions form a light seal around the ears, enhancing bass frequencies. Screened earcups provide an open, hear-through sound that lets listeners stay in touch with the world around them. The result is a full frequency, clean sound that turns any recording into a "live" performance. At just over six ounces the UR40 wears comfortably even after hours of continuous listening. The airy mesh sling provides soft breathable support, ideal for those with touch-sensitive scalps.

An adjustable headband accommodates all head shapes and sizes for maximum comfort. When not in use, the resilient, lightweight frame folds into a compact configuration that's protective, easy to carry and convenient to store. Perfect for travel, the UR40 includes a straight dual-entry four-foot cord. A gold-flashed 3.5mm (1/8") plug, L-shaped to minimize cord stress and a gold-flashed 6.3 mm (¼") adapter are included. The UR40 will delight listeners seeking heavyweight sound in a comfortable lightweight package.

Koss UR40 Includes

  • Koss UR40 Ultra Lightweight Stereophone
  • Straight Dual Entry 4 Foot Cord
  • 3.5mm (1/8") Plug
  • 6.3mm (¼") Adapter
  • Koss Lifetime Warranty

Koss UR40 Specifications

Frequency Response 15-22,000 Hz
Impedance 60 ohms
Sensitivity 98 dB SPL/1mW
Distortion <0.2%
Cord Straight, Dual Entry, 4ft
Warranty Koss lifetime warranty
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