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Compare 3 products

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Koss Porta Pro Headphones
Koss Porta Pro
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POLY EncorePro HW530 Headphones
POLY EncorePro HW530
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Sennheiser PX 100-IIi Headphones
Sennheiser PX 100-IIi
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
11
3.7 out of 5
6 user ratings
5 stars
0 %
4 stars
83 %
3 stars
16 %
2 stars
0 %
1 stars
0 %
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 %
5
4.2 out of 5
5 user ratings
5 stars
40 %
4 stars
40 %
3 stars
20 %
2 stars
0 %
1 stars
0 %
34
4.1 out of 5
34 user ratings
5 stars
32 %
4 stars
50 %
3 stars
17 %
2 stars
0 %
1 stars
0 %

Technical details

Sound outputStereo
N/A
Stereo
StyleOn-EarOn-EarOn-Ear
Connectivity technologyWiredWiredWired
Headset (integrated/enclosed microphone)no
N/A
no
Magnet materialNeodymium
N/A
Neodymium

Design

Colour of product
  • Black
  • Black,Silver
Black
  • Black
  • Black,Grey
  • White
Attachment typeHeadband
N/A
Headband
CategoryAudiophile
N/A
Studio
Foldableyes
N/A
yes
Noise isolatingyes
N/A
N/A
Connector contacts platingGold
N/A
N/A
Acoustic design
N/A
N/A
Open

Dimensions

Weight2.79 oz1.83 oz2.12 oz
Width
N/A
N/A
5.71 in
Depth
N/A
N/A
2.95 in
Height
N/A
N/A
1.06 in

Sound

Impedance60.0 Ω150.0 Ω32.0 Ω
Sensitivity< 10124.0 dB< 114
Frequency range15 - 25000
N/A
15 - 27000
Driver technologyDynamic
N/A
Dynamic
Driver size0.14 in
N/A
1.18 in
Total harmonic distortion (THD)0.2 %
N/A
0.1 %
Diaphragm diameter
N/A
N/A
0.0 in

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