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Compare 3 products

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HiFiMAN HE-400i Headphones
HiFiMAN HE-400i
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Oppo PM-2 Headphones
Oppo PM-2
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Oppo PM-3 Headphones
Oppo PM-3
Available colors
Editiorial reviews
7
4.5 out of 5
4 user ratings
5 stars
50 %
4 stars
50 %
3 stars
0 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
10
3.4 out of 5
4 user ratings
5 stars
50 %
4 stars
0 %
3 stars
0 %
2 stars
50 %
1 stars
0 %
Read editorial reviews
9
4.3 out of 5
5 user ratings
5 stars
40 %
4 stars
60 %
3 stars
0 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
User rating
40
4.4 out of 5
40 user ratings
5 stars
50 %
4 stars
35 %
3 stars
15 %
2 stars
0 %
1 stars
0 %
38
4.3 out of 5
38 user ratings
5 stars
44 %
4 stars
36 %
3 stars
18 %
2 stars
0 %
1 stars
0 %
43
4.3 out of 5
43 user ratings
5 stars
44 %
4 stars
41 %
3 stars
13 %
2 stars
0 %
1 stars
0 %

Technical details

Sound outputStereoStereoStereo
StyleOver-EarOver-EarOver-Ear
Connectivity technologyWiredWiredWired
Headset (integrated/enclosed microphone)nonoyes
Magnet material
N/A
NeodymiumNeodymium

Design

Colour of productBlack,PurpleBlack
  • Black
  • Blue
  • Red
  • Silver
  • White
Acoustic designClosedOpenClosed
Attachment typeHeadbandHeadbandHeadband
Body material
  • ABS plastic
  • Polymer
  • Plastic
  • Synthetic leather
  • Metal
  • Steel
CategoryStudioAudiophileAudiophile
Noise isolating
N/A
N/A
yes

Dimensions

Weight13.05 oz13.58 oz11.29 oz

Sound

Impedance35.0 Ω32.0 Ω26.0 Ω
Frequency range20 - 3500010 - 5000010 - 50000
Driver technology
  • Planar magnetic
  • Orthodynamic
  • Planar magnetic
  • Orthodynamic
  • Planar magnetic
  • Orthodynamic
Maximum input power
N/A
500.0 mW
N/A
Sensitivity
N/A
N/A
< 102
Diaphragm diameter
N/A
N/A
2.16 in
Driver size
N/A
N/A
2.17 in

Connectivity

Inputs supported
  • 3.5mm
  • 6.35mm
  • 3.5mm
  • 6.35mm
  • 3.5mm
  • 6.35mm
Cable length333
3.5 mm/6.3 mm adapter includedyes
N/A
yes
Type of connector3.5mm3.5mm3.5mm
USBnonono
Detachable cableyesyesyes

Power

Battery operatednonono
Power handling capacity
N/A
500.0 mW500.0 mW

Often compared with HiFiMAN HE-400i

Often compared with Oppo PM-2

Often compared with Oppo PM-3