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HE400i Over-Ear Planar Magnetic Headphones

The HiFiMan HE-400i is a high quality, full-size planar magnetic headphone designed for critical listening in the home or studio. At little more than twelve ounces, HE-400i is 30% lighter than comparable planar magnetic headphones allowing the listener to comfortably enjoy music for hours on end.

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High Notes

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Planar Design

The lowest distortion design available in a headphone providing stellar speed and open sound.

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Comfort Design

Designed for long term comfort, the headband and cups are easy on the ears

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Agile Design

Enjoy versatility while driving on the go with a portable or at home with their 93db efficiency

  • Increased efficiency of 93dB allows it to be driven with a modest size amplifier or can even be used with a portable audio player or smartphone.
  • Specially designed beveled ear pads are made of leather and velour, which provide both increased comfort and improved sound quality.
  • Massive diaphragm allows high signal input and flexible bass and treble. Very fast response due to the light-weight diaphragm design.
More Information
MPN HE400i
UPC 6925624200749
Weight 3.00 lbs
Ear Coupling Over-Ear
Transducer Type Planar Magnetic
Connection Type Wired
Sensitivity 93 dB
Inputs 3.5mm (1/8")
Impedance 35 Ohms
Frequency Response 20Hz - 35kHz
Drivers Planar Magnetic
Adjustability Click
Cable Length 58.8"
Cable Type Standard Audio Cable
Operating Principle Open-Back
Color Options Black
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