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Compare 3 products

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Koss KSC75 Headphones
Koss KSC75
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Koss Porta Pro Wireless Headphones
Koss Porta Pro Wireless
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Koss UR40 Headphones
Koss UR40
Available colors
Editiorial reviews
6
6 editorial reviews
Simply put, everyone who likes music and only owns cheap headphones (<$100) owes it to themselves to buy these and experience the difference.Read more
The Koss Porta Pro Limited Edition brings a new paint job to a classic pair of headphones. Read on to see if these headphones are for you!Read more
The Koss KSC75s provide an unmatched combination of practicality, durability, comfort, and impressive sound characteristics at their price pointRead more
Read editorial reviews
8
3.3 out of 5
3 user ratings
5 stars
0 %
4 stars
33 %
3 stars
66 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
2
2 editorial reviews
I'll write up a full review later, but these circumaural open headphones are just UNBELIEVABLE!   A recent pair of on ear headphones had impressed me with their sound quality, but were a major letdown in terms of comfort (lack thereof). Therefore, I began a search for potentially great...Read more
The Koss UR-20 are below-average headphones that perform poorly in most of our test categories. They are moderately comfortable but have a weak, unexciting sound...Read more
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User rating
50
4.0 out of 5
50 user ratings
5 stars
38 %
4 stars
32 %
3 stars
24 %
2 stars
6 %
1 stars
0 %
32
4.4 out of 5
32 user ratings
5 stars
53 %
4 stars
31 %
3 stars
15 %
2 stars
0 %
1 stars
0 %
37
4.1 out of 5
37 user ratings
5 stars
32 %
4 stars
43 %
3 stars
24 %
2 stars
0 %
1 stars
0 %

Technical details

Sound outputStereoStereoStereo
Connectivity technologyWired
N/A
Wired
Headset (integrated/enclosed microphone)noyesno
Magnet materialNeodymium
N/A
N/A
Diaphragm materialTitanium
N/A
N/A
Style
N/A
On-EarOver-Ear

Design

Colour of product
  • Black,Silver
  • Silver
  • Titanium
  • Black
  • Black,Silver
  • Silver
  • Black
  • Black,Grey
  • Black,Silver
  • Silver
Acoustic designOpenOpenClosed
Attachment typeHeadbandHeadbandHeadband
Body materialPlastic
N/A
N/A
CategorySport
N/A
N/A
Connector contacts platingGold
N/A
N/A
Foldable
N/A
yesyes

Dimensions

Weight0.92 oz2.29 oz6.1 oz

Sound

Channels2
N/A
N/A
Impedance60.0 Ω60.0 Ω60.0 Ω
Frequency range15 - 2500015 - 2500015 - 22000
Driver technologyDynamicDynamicDynamic
Driver size1.73 in1.73 in
N/A
Total harmonic distortion (THD)0.2 %
N/A
0.2 %
Sensitivity
N/A
< 101
N/A

Power

Battery operatednoyesno
Battery life
N/A
12.0 h
N/A

Often compared with Koss KSC75

Often compared with Koss Porta Pro Wireless

Often compared with Koss UR40