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Compare 5 products

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Koss KPH30i Headphones
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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
Available colors

Technical details

Sound outputStereoStereoStereoStereoStereo
StyleOver-EarOn-EarOn-EarOver-EarOver-Ear
Connectivity technologyWiredWiredWiredWired
N/A
Headset (integrated/enclosed microphone)yesnononono
Magnet material
N/A
NeodymiumNeodymiumNeodymium
N/A
Diaphragm material
N/A
N/A
Duofol
N/A
N/A

Design

Colour of product
  • Blue,White
  • Grey
  • Black
  • Black,Silver
  • Black
  • White
  • Black
  • Black,Red
  • Grey
  • Black
  • White
Attachment typeHeadbandHeadbandHeadbandHeadbandHeadband
Category
N/A
AudiophileTravel and CommutingAudiophile
N/A
Foldable
N/A
yesyes
N/A
N/A
Noise isolating
N/A
yes
N/A
N/A
N/A
Connector contacts plating
N/A
Gold
N/A
Gold
N/A
Acoustic design
N/A
N/A
ClosedHalf openedHalf opened
Body material
N/A
N/A
  • Metal
  • Plastic
Leather
N/A

Sound

Impedance60.0 Ω60.0 Ω32.0 Ω32.0 Ω32.0 Ω
Frequency range15 - 2500015 - 2500015 - 2700010 - 30000
N/A
Driver technologyDynamicDynamicDynamicDynamicDynamic
Sensitivity
N/A
< 101
N/A
N/A
N/A
Driver size
N/A
0.14 in
N/A
1.97 in
N/A
Total harmonic distortion (THD)
N/A
0.2 %0.1 %0.25 %
N/A
Diaphragm diameter
N/A
N/A
1.57 in2.0 in
N/A

Often compared with Koss KPH30i

Often compared with Koss Porta Pro

Often compared with Sennheiser PX 100-II

Often compared with Superlux HD681

Often compared with Superlux HD681 EVO