Product details
Hifiman HE400i 2020 open-back magnetostatic headphones for an enjoyable listening experience with almost any playback device. The 2020 version of the Hifiman HE400i delivers a natural sound with excellent spatial representation thanks to its planar magnetic drivers and open design. Weighing only 370 grams, the HE400i 2020 is lightweight for its class and is ideal for enjoying high-quality sound from music playback devices such as smartphones, tablets, or music players. Due to its open construction, the HE400i is more suitable for quiet environments, allowing for a natural, transparent, and very spacious sound experience.
Additionally, you are not completely cut off from the outside world and can perceive sounds like calls, phone rings, or doorbells. The specially designed headband ensures a secure fit and even weight distribution for long listening sessions without any discomfort. Furthermore, the artificial leather and velour ear pads provide a very high level of comfort and ensure optimal sound transmission.
The HE400i 2020 headphones feature two 3.5 mm jacks on the ear cups, and the 1.5-meter headphone cable is equipped with a 3.5 mm plug that is compatible with many smartphones, tablets, and portable music players. For home use with a sound system or in the studio, a 3.5 mm to 6.3 mm adapter is included.
Specifications: Open-back magnetostatic headphones, easy to drive - well-suited for portable playback devices like smartphones, tablets, or music players. Includes a 3.5 mm to 6.3 mm adapter for use with HiFi systems. Open design for a wide soundstage and very good spatial imaging, as well as breathability for comfort while listening to music.
Application range | HiFi |
Equipment + Functions | Removable cable |
Signal transmission | Cable |
Audio Connections | Jack 3.5mm (1x) |
Isolation | Open |
Item number | 4669078 |
Manufacturer | Hifiman |
Category | Headphones |
Release date | 29.4.2015 |
External links |
Colour | Black |
Exact colour description | Black |
Application range | HiFi |
Output | Stereo |
Equipment + Functions | Removable cable |
Music control | no smartphone remote control |
Signal transmission | Cable |
Fit | Headband |
Isolation | Open |
Adjustability | Rotating earcup |
Converter principle | Dynamic |
Frequency range | 20 - 35000 Hz |
Sensitivity | 93 dB |
Max. noise level | 93 dB |
Impedance | 35 Ω (ohm) |
Audio Connections | Jack 3.5mm (1x) |
Headphone cable length | 1.5m |
Power supply | USB power delivery |
CO₂-Emission | |
Climate contribution |
Scope of delivery | 3.5mm to 6.3mm Stereo Adapter, Headphone cable, Storage box |
Weight | 370 g |
Length | 31.50 cm |
Width | 26.80 cm |
Height | 18 cm |
Weight | 1.33 kg |
Specifications may include unverified machine translations.
Reviews & Ratings
Statutory warranty score
How often does a product of this brand in the «Headphones» category have a defect within the first 24 months?
Source: Galaxus- 59.RØDE3 %
- 65.Bowers & Wilkins3,1 %
- 65.Hifiman3,1 %
- 67.Belkin3,2 %
- 67.QCY3,2 %
Return rate
How often is a product of this brand in the «Headphones» category returned?
Source: Galaxus- 96.B&O8,3 %
- 97.Pioneer8,5 %
- 98.Edifier9,8 %
- 99.Hifiman10 %
- 100.Denon27,7 %
Source: Galaxus
Overall ratingVery good88/100
Very good88/100

Sehr edel verarbeiteter und ausgezeichnet klingender Magnetostat. 375 Gramm schwer mit 1,5 Meter abnehmbarem Kabel. Hoher Tragekomfort und auch an Mobilgeräten sehr ordentlich zu betreiben.
Without ratingNo rating

Hersteller aus China gehen oft in die Vollen, um zu beweisen, dass sie es auch können. Sie sparen nicht mit auffälligen Merkmalen, und Understatement ist ein Fremdwort. Der HE400i sieht aus wie ein zig mal teurerer Stax-Elektrostat und macht richtig Eindruck. Der offene planar-magnetische Kopfhörer von Hifiman ist trotz 35 Ohm Impedanz deutlich weniger laut als seine Mitstreiter und lässt sich daher...