UR21 Koss Mid Sized Stereophones
Koss UR21 Stereophones
Great Sound Meets Lightweight Comfort
With its high quality sound performance and enhanced bass
the UR21 is ideal for listeners seeking headphones with a big
sound that wears comfortably and travels light. The UR21 is
equipped with dynamic elements for an extended frequency
response from 40-20000 Hz. Anisotropic ferrite magnets mean
the UR21 can really turn up the volume even with low-voltage
portable devices. Oxygen-free copper voice coils improve signal
transmission and conduction for cleaner clearer sound. To improve
bass performance block outside noise and minimize sound leakage
closed leatherette ear cushions seal lightly around the ears.
The UR21 features contemporary styling and a simple design. At
just over six ounces these headphone wear comfortably even after
hours of listening. The headband is adjustable to ensure a comfortable
fit for any head size or shape. The UR21 includes a single-entry
four-foot cord perfect for use with portables. A 3.5mm (1/8") plug
L-shaped to minimize cord stress and a 6.3 mm (¼") adapter are included.
Listeners seeking great sound in lightweight package will cheer the UR21.

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