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Black over-ear headphones with leatherette cushions, adjustable headband and 8 ft straight cord

Koss

Koss UR18 circumaural headphone 3.5 mm 8 ft

SKU CH-AMW1-B3A5S MPN UR18

Lightweight circumaural stereo headphones with leatherette cushions that seal around the ears to enhance bass, an adjustable headband for a custom fit and a folding frame

  • TypeStereo
  • Frequency Response25Hz-15KHz
  • Input Impedance32 ohms
  • Sensitivity92 dB SPL/1mW
  • Connector3.5mm
  • Ear CouplingCircumaural
  • Circumaural leatherette cushions seal ears to enhance bass response
  • Adjustable headband fits all head shapes for lasting comfort
  • 8 ft straight dual-entry cord with 3.5 mm plug gives ample reach
  • Folds into compact form for easy storage and travel
  • 25 Hz to 15 kHz frequency range with 92 dB sensitivity delivers clear stereo sound

Product identity

The Koss UR18 is a lightweight circumaural headphone designed for listeners who want full-size sound without bulk. It connects through a standard 3.5 mm plug and suits portable devices, laptops and desktop audio outputs.

Accessory impact

Leatherette ear cushions seal around the ears to enhance bass response while the 8 ft straight dual-entry cord gives ample reach for desktop or mobile use. The folding frame reduces the footprint for travel and storage without extra cases.

Installation reality

Plug the 3.5 mm connector into any compatible jack and adjust the headband to fit; no drivers or software are required. The fixed cable cannot be replaced if damaged and the open 3.5 mm connection may not suit devices that only offer USB-C or Lightning ports.

Highlights

  • Circumaural leatherette cushions seal ears to enhance bass response
  • Adjustable headband fits all head shapes for lasting comfort
  • 8 ft straight dual-entry cord with 3.5 mm plug gives ample reach
  • Folds into compact form for easy storage and travel
  • 25 Hz to 15 kHz frequency range with 92 dB sensitivity delivers clear stereo sound

Specifications

BrandKOSS
ModelUR18
TypeStereo
Frequency Response25Hz-15KHz
Input Impedance32 ohms
Sensitivity92 dB SPL/1mW
Connector3.5mm
Ear CouplingCircumaural
Cord Length8 ft.
Weight0.8
FeaturesLeatherette ear cushions form seal around ears to enhance bass frequencies
Headband accommodates all head shapes and sizes for maximum comfort
Includes straight, dual-entry 8 foot cord with 3.5 mm (1/8-inch) plug
Folds into compact configuration, convenient for storage and portability
Shipping weight0.68 kg
Package size533 × 235 × 146 mm

Questions about this item

When will the leatherette ear cushions need replacing?

The leatherette cushions form a seal around the ears to enhance bass frequencies; replace them when the seal degrades or the material shows wear.

What limits the frequency response during long listening sessions?

The drivers cover 25 Hz to 15 KHz; this range is the hard limit regardless of how long you listen.

How much power do the 32 ohm drivers draw when used all day?

At 32 ohms impedance and 92 dB SPL per milliwatt, they reach loud volumes with very little power from a portable device.

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