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Compare 5 products

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Koss Porta Pro Headphones
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Sennheiser PX 100-II Headphones
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Superlux HD681 Headphones
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Superlux HD681 EVO Headphones
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Teufel Real Headphones
Available colors

Technical details

Sound outputStereoStereoStereoStereoStereo
StyleOn-EarOn-EarOver-EarOver-EarOver-Ear
Connectivity technologyWiredWiredWired
N/A
Wired
Headset (integrated/enclosed microphone)nonononoyes
Magnet materialNeodymiumNeodymiumNeodymium
N/A
Neodymium
Diaphragm material
N/A
Duofol
N/A
N/A
N/A

Design

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

Dimensions

Weight2.79 oz2.61 oz9.74 oz9.74 oz9.17 oz
Width
N/A
N/A
7.36 in
N/A
N/A
Depth
N/A
N/A
4.21 in
N/A
N/A
Height
N/A
N/A
7.87 in
N/A
N/A

Sound

Impedance60.0 Ω32.0 Ω32.0 Ω32.0 Ω18.0 Ω
Sensitivity< 101
N/A
N/A
N/A
< 98
Frequency range15 - 2500015 - 2700010 - 30000
N/A
20 - 20000
Driver technologyDynamicDynamicDynamicDynamic
N/A
Driver size0.14 in
N/A
1.97 in
N/A
1.57 in
Total harmonic distortion (THD)0.2 %0.1 %0.25 %
N/A
N/A
Diaphragm diameter
N/A
1.57 in2.0 in
N/A
N/A
Maximum input power
N/A
N/A
N/A
N/A
40.0 mW

Often compared with Koss Porta Pro

Often compared with Sennheiser PX 100-II

Often compared with Superlux HD681

Often compared with Superlux HD681 EVO

Often compared with Teufel Real