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Koss UR21

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Outdated Product
$22.00
Design: overhead, closed; Connection type: wired; mini-Jack (3.5 mm); Jack (6.35 mm); Cable supply: single-sided; Cable length (m): 1.2; Impedance (Ohm): 32; Frequency range (Hz): 40 – 20000; Sensitivity (dB): 92; Weight (g): 175;
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Koss UR21
no microphone
Colour
Connection and design
Designoverhead, closed
Connection typewired
Connectionmini-Jack (3.5 mm)
Jack (6.35 mm) / Adapter 3.5>6.35 /
Cable supplysingle-sided
Cable length1.2 m
Cable typeround
Specs
Impedance32 Ohm
Frequency range40 – 20000 Hz
Sensitivity92 dB
Emitter typedynamic
General
Weight175 g
Added to E-CatalogSeptember 2006
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Koss 2025 - new arrivals, bestsellers, and the most relevant models Koss.
How to choose a gaming headphoneWe understand the differences between regular and gaming headphones, tell you how to approach the choice of a headset wisely
Additional features headphones Koss UR21:
  • High-quality stereo headphones with professional sound, which is achieved using an anisotropic magnet and thick Mylar diaphragm
  • Detailed musical picture and deep, rich bass
  • Closed acoustic design delivers penetrating bass octave power and excellent sound isolation
  • Increased durability makes the model suitable for DJs and professional studio work
  • Adjustable headband
  • Large diameter radiating membrane
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Headphones Koss UR21
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