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Compare 3 products

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Koss UR20 Headphones
Koss UR20
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Koss UR40 Headphones
Koss UR40
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Sennheiser RS 120-8 Headphones
Sennheiser RS 120-8
Available colors
Editiorial reviews
1
1 editorial reviews
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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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
Read editorial reviews
4
4 editorial reviews
Sennheiser's affordable, comfortable wireless headphones sound almost as good as corded 'phones.Read more
Sennheiser RS 120 Headset Review: is one of the few products that one cannot attribute to the epithet of mediocre sound standardsRead more
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User rating
42
4.0 out of 5
42 user ratings
5 stars
28 %
4 stars
45 %
3 stars
23 %
2 stars
0 %
1 stars
2 %
37
4.1 out of 5
37 user ratings
5 stars
32 %
4 stars
43 %
3 stars
24 %
2 stars
0 %
1 stars
0 %
5
4.2 out of 5
5 user ratings
5 stars
20 %
4 stars
80 %
3 stars
0 %
2 stars
0 %
1 stars
0 %

Technical details

Sound outputStereoStereoStereo
StyleOver-EarOver-EarOn-Ear
Connectivity technologyWiredWiredWireless
Headset (integrated/enclosed microphone)nonono
Magnet materialNeodymium
N/A
Neodymium
Diaphragm materialMylar
N/A
N/A

Design

Colour of productBlack
  • Black
  • Black,Grey
  • Black,Silver
  • Silver
  • Black
  • Grey
Acoustic designClosedClosedOpen
Attachment typeHeadbandHeadbandHeadband
CategoryDJ
N/A
N/A
Foldableyesyes
N/A
Noise isolatingyes
N/A
N/A

Dimensions

Weight10.02 oz6.1 oz8.11 oz
Width
N/A
N/A
3.35 in
Depth
N/A
N/A
8.86 in
Height
N/A
N/A
5.24 in

Sound

Channels2
N/A
N/A
Impedance32.0 Ω60.0 Ω
N/A
Frequency range30 - 2000015 - 2200022 - 19500
Driver technologyDynamicDynamicDynamic
Total harmonic distortion (THD)0.3 %0.2 %0.7 %
Sensitivity
N/A
N/A
< 106

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