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Fun earbuds to keep in touch with your music
- includes three pairs of silicon ear tips for optimum comfort and noise isolation
- 4-foot miniplug cable
- frequency response: 16-20,000 Hz
- sensitivity: 110 dB
- impedance: 16 ohms
- warranty: lifetime
- Our 60-day money-back guarantee
Koss RUK20 Reviews
What's in the box?
- Blue/green earbud headphones with attached 4' cord (3.5mm plug)
- 2 Medium green silicone tips (installed)
- 2 Large green silicone tips
- 2 Small green silicone tips
- Limited Lifetime Warranty sheet
Features and Specs
|Frequency Response||16-20k Hz|
|Airline Adapter Included||No|
Overview: The Koss Rukus-series RUK20 features unique color combinations for expressing your own personal style. These noise-isolating in-ear headphones block exterior noise so you can hear your music clearly, without outside interruption.
Silicone Tips: The RUK20s come with three sizes of silicone ear tips (small, medium, and large) for a comfortable fit.
Cord: The headphones have a 4' straight cord with a slender 3.5mm straight plug. The small diameter plug design can be easily plugged into recessed headphone jacks or when the smartphone or digital music player is contained in a hard case.
Warranty: The RUK20s are covered by the Koss Stereophones Limited Lifetime Warranty.
- Frequency Response: 16Hz-20kHz
- Sensitivity (dB/1mW): 110dB
- Nominal Impedance: 16 ohms
Our Product Research Team
At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team. They verify what’s in the box, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.