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Koss
Koss UR40 Yellow Over-Ear Headphone 15Hz-22KHz 60Ω 3.5mm 4ft
Lightweight over-ear headphones with a hybrid open/closed design, 15Hz–22kHz frequency response, 60Ω impedance, 3.5mm connector, 4ft cable and collapsible frame
- TypeOver the Ear
- ColorYellow
- Frequency Response15Hz-22KHz
- Input Impedance60 ohms
- Connector3.5mm
- Cord Length4 ft.
- Full-frequency sound turns recordings into live performances
- Screened ear cups give open hear-through awareness of surroundings
- Closed leatherette cushions seal tightly to enhance bass response
- 60 ohm impedance with 3.5mm connector suits portable devices
- 4ft cord and collapsible frame enable easy travel storage
On-the-go listening with hybrid ear-cup design
The Koss UR40 is a lightweight over-ear headphone built for portable use. Its collapsible frame and screened ear cups let wearers stay aware of their surroundings while enjoying full-frequency sound.
Plug-and-play setup with included adapter
Installation is as simple as connecting the 3.5 mm plug to a compatible source. A gold-flashed 6.3 mm adapter is supplied for equipment with larger jacks. The 4 ft cord is fixed, so cable replacement is not possible if it becomes damaged.
60 ohm impedance matches portable and desktop gear
The 60 ohm input impedance allows the headphones to be driven adequately by smartphones, laptops and dedicated amplifiers alike. Buyers who need a lower impedance for very weak outputs or a detachable cable for easy servicing should consider other models.
Highlights
- Full-frequency sound turns recordings into live performances
- Screened ear cups give open hear-through awareness of surroundings
- Closed leatherette cushions seal tightly to enhance bass response
- 60 ohm impedance with 3.5mm connector suits portable devices
- 4ft cord and collapsible frame enable easy travel storage
Specifications
| Brand | KOSS |
|---|---|
| Model | UR40 |
| Type | Over the Ear |
| Color | Yellow |
| Frequency Response | 15Hz-22KHz |
| Input Impedance | 60 ohms |
| Connector | 3.5mm |
| Cord Length | 4 ft. |
| Compatibility | Jaybird |
| Features | Full-frequency clean sound turns any recording into a "live" performance Screened ear cups provide open, hear-through sound letting listeners stay in touch with surroundings Closed leatherette ear cushions form tight seal around ears, enhancing sound bass [HD1] Enjoy greater volume levels, even with low-voltage portable devices Airy mesh sling provides soft, breathable support Lightweight frame (just over 6 oz) folds into protective compact configuration for easy portability At just over six ounces, the Koss UR40 headphones wear comfortably, store easily, and travel lightly. Titanium |
| Package Contents | UR40 Collapsible Stereo Headphone Gold-Flashed 6.3 mm (¼") Adapter |
| Shipping weight | 0.91 kg |
| Package size | 305 × 229 × 102 mm |
Questions about this item
How can I confirm the headphones are reproducing the full 15Hz-22KHz range after connecting them?
Play a frequency sweep test tone; you should hear continuous output from the deepest bass up to the highest treble without obvious gaps or distortion.
What accessories are included and what must I supply myself?
The box contains the UR40 collapsible stereo headphone and a gold-flashed 6.3 mm (¼") adapter; you only need a source device with a 3.5 mm jack.
Are there different versions or capacities of the UR40 to choose from?
No, the UR40 is offered as a single model with fixed specifications: 60 Ω impedance, 3.5 mm connector, and a 4 ft cord.
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