Koss GMR-540-ISO USB

No noise cancelling, 6 h, Cable
Ratings
BrandMore from Koss
Delivered between Fri, 6.6. and Wed, 11.6.
Only 3 items in stock at supplier

Product details

The Koss GMR-540-ISO USB In-Ear Headphones offer a versatile audio experience for general use. With a wired design and robust construction, these headphones are ideal for daily use. They feature a frequency range of 18 to 20,000 Hz, allowing for clear and precise sound reproduction. The headphones come with a 1.2-meter long cable for comfortable use, while the built-in microphone facilitates communication. With a sensitivity of 101 dB, the audio output is loud and clear, and the maximum noise level of 103 dB ensures a pleasant listening experience. These headphones are an excellent choice for anyone who values quality and comfort.

  • Wired design for reliable signal transmission
  • Frequency range of 18 to 20,000 Hz for clear sound reproduction
  • Built-in microphone for easy communication
  • Lightweight at 220 grams for high wearing comfort.

Key specifications

Application range
General
Headphone type
In Ear Headphones
Signal transmission
Cable
Audio Connections
Jack 3.5mm (1x)
Noise cancelling
No noise cancelling
Item number
9924271

General information

Manufacturer
Koss
Category
Headphones
Manufacturer no.
KOSS GMR-540-ISO USB
Release date
19.10.2018

Colour

Colour
Black
Exact colour description
Black/Red

Application range

Application range
General

Headphone properties

Noise cancelling
No noise cancelling
Signal transmission
Cable

Headphone type

Headphone type
In Ear Headphones

Audio properties

Frequency range
18 - 20000 Hz
Sensitivity
101 dB
Max. noise level
103 dB
Impedance
35 Ω (ohm)

Connections

Audio Connections
Jack 3.5mm (1x)

Audio cable properties

Headphone cable length
1.2m (incl. Remomte/Mic)

Bluetooth features

Bluetooth version
4.2

Power supply

Power supply
Battery operated

Battery properties

Battery type
Li-ion
Battery life
6 h
Charging input
USB Type-A

Voluntary climate contribution

CO₂-Emission
Climate contribution

Product dimensions

Weight
220 g

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

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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
  • 41.soundcore
    1.8 %
  • 45.ION Audio
    1.9 %
  • 45.Koss
    1.9 %
  • 47.3MK
    2 %
  • 47.Marshall
    2 %

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.JLab Audio
    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
  • 25.JVC
    1.4 %
  • 27.Grundig
    1.5 %
  • 27.Koss
    1.5 %
  • 29.Cellularline
    1.6 %
  • 29.Monacor
    1.6 %
Source: Digitec Galaxus