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HiFiMAN HE-400i vs Oppo PM-3

HiFiMAN HE-400i Headphones
HiFiMAN HE-400i
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
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 %
43
4.3 out of 5
43 user ratings
5 stars
44 %
4 stars
41 %
3 stars
13 %
2 stars
0 %
1 stars
0 %

Full Comparison

Technical details

HiFiMAN HE-400iHiFiMAN HE-400i
Oppo PM-3Oppo PM-3
Sound outputStereoStereo
StyleOver-EarOver-Ear
Connectivity technologyWiredWired
Headset (integrated/enclosed microphone)noyes

Design

HiFiMAN HE-400iHiFiMAN HE-400i
Oppo PM-3Oppo PM-3
Colour of productBlack,Purple
  • Black
  • Blue
  • Red
  • Silver
  • White
Acoustic designClosedClosed
Attachment typeHeadbandHeadband
Body material
  • ABS plastic
  • Polymer
  • Metal
  • Steel
CategoryStudioAudiophile

Dimensions

HiFiMAN HE-400iHiFiMAN HE-400i
Oppo PM-3Oppo PM-3
Weight13.05 oz11.29 oz

Sound

HiFiMAN HE-400iHiFiMAN HE-400i
Oppo PM-3Oppo PM-3
Impedance35.0 Ω26.0 Ω
Frequency range20 - 3500010 - 50000
Driver technology
  • Planar magnetic
  • Orthodynamic
  • Planar magnetic
  • Orthodynamic

Connectivity

HiFiMAN HE-400iHiFiMAN HE-400i
Oppo PM-3Oppo PM-3
Inputs supported
  • 3.5mm
  • 6.35mm
  • 3.5mm
  • 6.35mm
Cable length33
3.5 mm/6.3 mm adapter includedyesyes
Type of connector3.5mm3.5mm
USBnono
Detachable cableyesyes

Power

HiFiMAN HE-400iHiFiMAN HE-400i
Oppo PM-3Oppo PM-3
Battery operatednono

Pros & Cons

Pros
      Cons

          Often compared with HiFiMAN HE-400i

          Often compared with Oppo PM-3