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KOSS Black RUK 20K 3.5mm Connector Earbud Headphone

  • 16Hz-20KHz
  • 3.5mm Connector
  • 4ft. Cord Length
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RUK 20 In-Ear Headphones

Packed with powerful booming bass and available in an assortment of bold colors, the Koss RUK 20 Noise Isolating In-Ear Headphones pair performance with style best suited for self-expression. Three sizes of silicone ear cushions are also included for a custom fit. Combined with your favorite music, the Koss RUK 20 in-ear headphones are the ultimate on-the-go accessory.

  • Noise-isolating in-ear stereophones
  • Includes three sizes of silicone ear cushions for a comfortable fit
  • Straight, dual-entry 4-ft cord with 3.5 mm plug
  • Unique color combinations to best express your own personal style

Learn more about the Koss RUK 20K

Model

Brand
KOSS
Type
In-Ear
Model
RUK 20K

General SPEC

Color
Black
Frequency Response
16Hz-20KHz
Input Impedance
16 ohms
Sensitivity
110dB S.P.L. at 1KHz
Connector
3.5mm
Ear Coupling
Earbud
Cord Length
4ft.

Features

Features
Noise-isolating in-ear stereophones
Includes three sizes of silicone ear cushions for a comfortable fit
Straight, dual-entry 4ft cord with 3.5 mm plug

Quick Info

Warranty

  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year


Customer Reviews of the Koss RUK 20K

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