Koss KSC21 Headphones, In-Ear, Wired, Silver/Black

NC, Cable
Delivered Wed, 8.4.
Only 2 pieces in stock
Free shipping starting at 50.–

Product details

The KSC21 in-ear headphones from Koss offer a high-quality audio experience for music lovers and sports enthusiasts. With their compact and lightweight design, they are ideal for everyday use, whether commuting, at the gym, or relaxing at home. The headphones feature a 3.5 mm jack for easy connectivity to a variety of devices. The frequency range of 50 to 18,000 Hz ensures clear and balanced sound reproduction, while the impedance of 36 Ω guarantees efficient performance. The KSC21 headphones are designed to fit comfortably in the ear, providing a pleasant listening experience without the need for active noise cancellation.

  • Lightweight and compact design for high comfort
  • Clear frequency range of 50 to 18,000 Hz for balanced sound reproduction
  • Easy connection via 3.5 mm jack.

Key specifications

Application range
Sports
Noise cancelling
NC
Equipment + Functions
Microphones
Signal transmission
Cable
Headphone type
In-ear headphones

General information

Item number
22906516
Manufacturer
Koss
Category
Headphones
Manufacturer no.
KSC/21
Release date
27.10.2022
Sales rank in Category Headphones
931 of 8230
External links

Colour

Colour
Black
Exact colour description
Black

Application range

Application range
Sports

Headphone properties

Noise cancelling
NC
Equipment + Functions
Microphones
Signal transmission
Cable

Headphone type

Headphone type
In-ear headphones

Audio properties

Frequency range
50 - 18000 Hz
Impedance
36 Ω

Connections

Connections base/transmitter
3.5mm

Voluntary climate contribution

CO₂ emissions
6.31 kg
Climate contribution
CHF 0.15

Product dimensions

Weight
20 g

Package dimensions

Length
15 cm
Width
5 cm
Height
2 cm
Weight
55 g

30-day right of return
24 Months Warranty (Bring-in)

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Goes with

Reviews & Ratings

Warranty score

How often does a product of this brand in the «Headphones» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 30.T'nB
    1.6 %
  • 30.Vivanco
    1.6 %
  • 36.Koss
    1.7 %
  • 36.Thomson
    1.7 %
  • 38.Anker
    1.8 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • 1.Joyroom
    0 days
  • 1.JVC
    0 days
  • 1.Koss
    0 days
  • 1.Lenovo
    0 days
  • 1.LogiLink
    0 days

Return rate

How often is a product of this brand in the «Headphones» category returned?

Source: Digitec Galaxus
  • 66.Novidarte
    2.9 %
  • 67.Aukey
    3 %
  • 68.Koss
    3.2 %
  • 68.Pioneer DJ
    3.2 %
  • 68.Skullcandy
    3.2 %
Source: Digitec Galaxus