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Compare 4 products

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Koss Porta Pro Headphones
Koss Porta Pro
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Sennheiser PX 100-II Headphones
Sennheiser PX 100-II
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Superlux HD681 Headphones
Superlux HD681
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Superlux HD681 EVO Headphones
Superlux HD681 EVO
Available colors
Editiorial reviews
15
3.9 out of 5
4 user ratings
5 stars
25 %
4 stars
50 %
3 stars
25 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
5
5 editorial reviews
The Sennheiser PX-100-II are an open headphones designed for use when out and aboutRead more
The Sennheiser PX 100-II is a very good, stylish set of headphones that will nevertheless live in the shadow of the excellent original.Read more
The Sennheiser PX-100-II are an open headphones designed for use when out and aboutRead more
Read editorial reviews
7
3.9 out of 5
3 user ratings
5 stars
0 %
4 stars
100 %
3 stars
0 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
4
4 editorial reviews
The Superlux HD 681 EVO are a slightly better-designed version of the HD 681. They sound about the same although the EVO has a bit more bass. They're also budget...Read more
Step forward to the Superlux 681 EVO… the evolution of the original 681 which offers a stylish new design. We take a listen and see if that new design still offers the excellent sound quality of its predecessor.Read more
The Superlux HD-681 Evo headphones deliver pro-level audio quality for an entry-level price.Read more
Read editorial reviews
User rating
62
3.8 out of 5
62 user ratings
5 stars
40 %
4 stars
20 %
3 stars
22 %
2 stars
11 %
1 stars
4 %
36
4.2 out of 5
36 user ratings
5 stars
41 %
4 stars
36 %
3 stars
22 %
2 stars
0 %
1 stars
0 %
111
3.7 out of 5
111 user ratings
5 stars
33 %
4 stars
23 %
3 stars
27 %
2 stars
14 %
1 stars
1 %
62
3.7 out of 5
62 user ratings
5 stars
20 %
4 stars
38 %
3 stars
30 %
2 stars
6 %
1 stars
3 %

Technical details

Sound outputStereoStereoStereoStereo
StyleOn-EarOn-EarOver-EarOver-Ear
Connectivity technologyWiredWiredWired
N/A
Headset (integrated/enclosed microphone)nononono
Magnet materialNeodymiumNeodymiumNeodymium
N/A
Diaphragm material
N/A
Duofol
N/A
N/A

Design

Colour of product
  • Black
  • Black,Silver
  • Black
  • White
  • Black
  • Black,Red
  • Grey
  • Black
  • White
Attachment typeHeadbandHeadbandHeadbandHeadband
CategoryAudiophileTravel and CommutingAudiophile
N/A
Foldableyesyes
N/A
N/A
Noise isolatingyes
N/A
N/A
N/A
Connector contacts platingGold
N/A
Gold
N/A
Acoustic design
N/A
ClosedHalf openedHalf opened
Body material
N/A
  • Metal
  • Plastic
Leather
N/A

Dimensions

Weight2.79 oz2.61 oz9.74 oz9.74 oz
Width
N/A
N/A
7.36 in
N/A
Depth
N/A
N/A
4.21 in
N/A
Height
N/A
N/A
7.87 in
N/A

Sound

Impedance60.0 Ω32.0 Ω32.0 Ω32.0 Ω
Sensitivity< 101
N/A
N/A
N/A
Frequency range15 - 2500015 - 2700010 - 30000
N/A
Driver technologyDynamicDynamicDynamicDynamic
Driver size0.14 in
N/A
1.97 in
N/A
Total harmonic distortion (THD)0.2 %0.1 %0.25 %
N/A
Diaphragm diameter
N/A
1.57 in2.0 in
N/A

Often compared with Koss Porta Pro

Often compared with Sennheiser PX 100-II

Often compared with Superlux HD681

Often compared with Superlux HD681 EVO