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Before you commit to the HiFiMan HE400i headphone, check out these 152 specs & features — especially top-voted ones like general information, dimensions & weight, materials & build & audio performance from the Soundfindr community.
Why is
HiFiMan HE400i
better than
other headphones
?
Quick Take
The essentials that matter—nothing extra
A fast snapshot of the HiFiMan HE400i, covering its standout specification and what you can expect right out of the box.
HiFiMan HE400i
HiFiMan HE400i are open‑back planar magnetic headphones designed to offer detailed, natural sound with a wide soundstage and smooth frequency response. The lightweight and comfortable design, including breathable ear pads, makes them enjoyable for extended listening sessions. These headphones are suitable for music lovers who want rich detail and clarity without the fatigue of heavier models.
Specifications & Facts
152
Specs measured. Drama avoided.
Looking to upgrade? Check the HiFiMan HE400i headphone with full details: price, 152 features, pros and cons, and how it stacks up vs top headphones.
General Information
16
HiFiMan HE400i
Release Year
What is the release year?
0
HiFiMan HE400i
0
Votes
2017
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Release year is 2017, so the model has been on the market for several years and may be well-reviewed or have aftermarket accessories available.
Consider checking for updated iterations if you want the very latest features.
Year the headphones were first released.
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HiFiMan HE400i
Series Name
What series is it part of?
0
HiFiMan HE400i
0
Votes
HE400
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Series name is HE400, which identifies the model line and helps when searching for accessories or compatible parts.
Use the series identifier when checking compatibility with earpads or cables.
The series or family line the headphones belong to.
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HiFiMan HE400i
Form Factor
What is the form factor?
0
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Wired
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The form factor is Wired, meaning audio is delivered via a cable rather than Bluetooth or wireless transmission.
Expect consistent, low-latency audio and no battery dependence for playback.
The main physical form factor.
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HiFiMan HE400i
Replaceable Headband
Is the headband replaceable?
No
0Votes
HiFiMan HE400i
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The headphones do not have a replaceable headband, so repairs or custom swaps would require professional service or replacement of the entire unit.
You should plan for limited long-term customization of the headband.
Indicates if headband can be replaced.
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HiFiMan HE400i
Product Name
What is the product name?
0
HiFiMan HE400i
0
Votes
HiFiMan HE400i
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The official name of the headphones.
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HiFiMan HE400i
Fit Style
What is the fit style?
0
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Open Back
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The fit and enclosure style of headphones.
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HiFiMan HE400i
Detachable Cable
Does it have a detachable cable?
Yes
0Votes
HiFiMan HE400i
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Cable can be detached for replacement or portability.
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HiFiMan HE400i
Replaceable Earpads
Are the earpads replaceable?
Yes
0Votes
HiFiMan HE400i
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Indicates if ear pads can be replaced.
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HiFiMan HE400i
Limited Edition
Is it a limited edition?
No
0Votes
HiFiMan HE400i
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Shows if product is a limited edition release.
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HiFiMan HE400i
Country of Origin
What is the country of origin?
0
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China
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Country where the product was designed or manufactured.
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HiFiMan HE400i
Intended Use
What is the intended use?
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Music, Studio
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The primary intended application for the headphones.
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Headphone Type
What type of headphones are these?
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Over Ear
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The general type of headphones.
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Foldable Design
Do they have a foldable design?
No
0Votes
HiFiMan HE400i
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Indicates if headphones can be folded for storage.
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HiFiMan HE400i
Replaceable Cable
Is the cable replaceable?
Yes
0Votes
HiFiMan HE400i
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Indicates if cable can be replaced with another.
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HiFiMan HE400i
Age Group Recommendation
What age group is recommended?
0
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Adult
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Recommended age group for product use.
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Certification Standard
What certifications are included?
0
HiFiMan HE400i
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CE, FCC, RoHS
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Compliance standards product meets.
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Dimensions & Weight
16
HiFiMan HE400i
Cable Length
What is the cable length?
4.9
ft
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Cable length is 4.9 ft (1.49 m), long enough for comfortable use with desktop setups and many portable use cases.
A ~1.5 m cable provides flexibility without excessive slack.
Length of the audio cable for wired use.
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HiFiMan HE400i
Width
What is the width of the headphones?
7.87
inch
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Overall width is 7.87 in (19.99 cm), useful for determining storage or transport size.
The width is typical for full-size over-ear headphones.
Overall horizontal measurement of the headphones.
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HiFiMan HE400i
Depth
What is the depth of the headphones?
3.94
inch
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Depth (profile) is 3.94 in (10.01 cm), giving the front-to-back measurement of the earcup assembly.
This dimension helps assess how the headphones will fit on a desk or in a case.
Front-to-back measurement of the headphones.
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Package Width
What is the package width?
10.63
inch
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Package width is 10.63 in (27.00 cm), which gives a sense of box size for shipping or storage.
Expect a package footprint about 27 cm wide when planning shelf or bag space.
Width of the retail package.
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HiFiMan HE400i
Package Height
What is the package height?
7.87
inch
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Package height is 7.87 in (19.99 cm), useful to know for storage or shelf planning.
The box is roughly 20 cm tall.
Height of the retail package.
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HiFiMan HE400i
Ear Cup Depth
What is the ear cup depth?
1.97
inch
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Ear cup depth is 1.97 in (5.00 cm), which indicates how deep the ear sits inside the cup.
About 5.0 cm of depth provides room for the ear without excessive contact for most users.
Distance from outer edge to inner pad base.
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HiFiMan HE400i
Ear Cup Inner Diameter
What is the ear cup inner diameter?
2.76
inch
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Ear cup inner diameter is 2.76 in (7.01 cm), which helps determine fit for larger or smaller ears.
A 7.0 cm internal opening is roomy for most adult ears.
Internal space of ear cups, affecting ear comfort.
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Weight
What is the headphone weight?
0.8
lbs
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Overall headphone weight without packaging.
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Height
What is the height of the headphones?
8.27
inch
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Vertical measurement from top to bottom.
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HiFiMan HE400i
Package Depth
What is the package depth?
8.27
inch
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Depth of the retail package.
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Package Weight
What is the package weight?
2.2
lbs
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Total weight including packaging.
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Headband Width
What is the headband width?
1.18
inch
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Thickness of headband which affects support.
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HiFiMan HE400i
Headband Adjustability Range
What is the headband adjustability range?
3.94
inch
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Maximum adjustment range of the headband.
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Ear Cup Outer Diameter
What is the ear cup outer diameter?
3.94
inch
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Overall size of the ear cups.
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Clamp Force
What is the clamp force?
0.88
lbs
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Pressure applied by headband on the ears.
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Swivel Angle
What is the swivel angle?
15
degree
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Degree of rotation for ear cups.
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Materials & Build
16
HiFiMan HE400i
Headband Padding Material
What is the headband padding material?
0
HiFiMan HE400i
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Cloth
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Headband padding uses Cloth, which tends to be breathable and comfortable for longer listening sessions compared with some synthetic leathers.
Cloth pads may absorb sweat more than leather, so they may need occasional cleaning.
Padding type used in the headband.
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Cable Material
What is the cable material?
0
HiFiMan HE400i
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Braided Nylon
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The cable material is Braided Nylon, which typically improves durability and reduces tangling compared with smooth-sheathed cables.
Braided cables can also be easier to grip and less prone to kinking during storage.
Construction material of the audio cable.
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Eco Friendly Certification
What eco friendly certification do the headphones have?
0
HiFiMan HE400i
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Other
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Eco friendly certification is listed as Other, which indicates some form of environmental compliance not matched to the common labels.
Consult packaging or manufacturer documentation for specifics on the certification.
Environmental certification of the product.
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Material
What is the main material of the headphones?
0
HiFiMan HE400i
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Plastic
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Primary construction material of the headphones.
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Ear Cushion Material
What is the ear cushion material?
0
HiFiMan HE400i
0
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Leather
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Material of ear cushions that affects comfort and breathability.
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Connector Material
What is the connector material?
0
HiFiMan HE400i
0
Votes
Gold Plated
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Metal used for plug connectors.
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HiFiMan HE400i
Hinges Material
What is the hinge material?
0
HiFiMan HE400i
0
Votes
Metal
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Material used for the folding hinges.
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Sweat Resistance
Are the headphones sweat resistant?
No
0Votes
HiFiMan HE400i
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Indicates whether headphones resist sweat damage.
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Dust Resistance
Are the headphones dust resistant?
No
0Votes
HiFiMan HE400i
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Indicates whether headphones are resistant to dust particles.
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Scratch Resistant Coating
Do the headphones have scratch resistant coating?
No
0Votes
HiFiMan HE400i
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Protective layer against scratches.
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UV Resistant Coating
Do the headphones have UV resistant coating?
No
0Votes
HiFiMan HE400i
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Resistance against UV light fading or damage.
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Color Options
What are the color options?
0
HiFiMan HE400i
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Votes
Black
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Available colors for the headphones.
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Finish
What is the finish?
0
HiFiMan HE400i
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Textured
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Surface treatment of the headphone exterior.
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Reinforced Joints
Do the headphones have reinforced joints?
Yes
0Votes
HiFiMan HE400i
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Indicates if stress points are reinforced for durability.
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Water Resistance Rating
What is the water resistance rating?
0
HiFiMan HE400i
0
Votes
-No-
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Resistance level against water ingress.
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Recyclable Materials
Are the headphones made with recyclable materials?
Yes
0Votes
HiFiMan HE400i
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Indicates if materials are recyclable for sustainability.
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Audio Performance
21
HiFiMan HE400i
Impedance
What is the impedance?
35
ohm
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Nominal impedance is 35 ohm, so these headphones are easy to drive from most phones, laptops, and portable players without requiring a dedicated amplifier.
Lower impedance like 35 ohm favors compatibility with consumer devices.
Electrical resistance of headphones.
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Sensitivity
What is the sensitivity?
93
dB
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Sensitivity is 93 dB, indicating moderate efficiency — you'll get reasonable loudness from typical portable sources.
Higher sensitivity means louder output for a given input level, and 93 dB is a common mid-range value.
Loudness produced per given input power.
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Driver Size
What is the driver size?
2.5
mm
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Driver size is 2.5 mm, which is the declared physical driver dimension for this model's transducer.
Planar-magnetic designs with small numeric driver listings often prioritize different performance characteristics than large dynamic drivers.
Diameter of the driver unit.
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Acoustic Design
What is the acoustic design?
0
HiFiMan HE400i
0
Votes
Open Back
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Acoustic design is Open Back, favoring natural sound and wide imaging over isolation and bass extension.
Open-back headphones are best used in quiet environments where sound leakage is acceptable.
Headphone enclosure type.
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Stereo Imaging Quality
What is the stereo imaging quality?
0
HiFiMan HE400i
0
Votes
Excellent
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Stereo imaging quality is rated Excellent, meaning precise placement of instruments and clear spatial cues.
This makes the headphones well-suited for critical listening and mixing reference.
Ability to position sound accurately in stereo field.
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Soundstage Width
What is the soundstage width?
0
HiFiMan HE400i
0
Votes
Wide
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Soundstage width is described as Wide, which is consistent with open-back and planar designs that produce an expansive sense of space.
A wide soundstage helps with instrument separation and a more natural listening experience.
Lateral spread of perceived audio.
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Total Harmonic Distortion
What is the THD?
0.1
%
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Total harmonic distortion is 0.1%, which is low and indicates clean reproduction at normal listening levels.
Lower THD values like 0.1% generally mean less audible distortion.
Distortion in audio output.
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Crosstalk
What is the crosstalk value?
35
dB
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Crosstalk is 35 dB, which indicates good channel separation and minimal bleed between left and right channels.
Higher crosstalk attenuation values like 35 dB help with clear stereo imaging.
Amount of signal leakage between channels.
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Driver Type
What is the driver type?
0
HiFiMan HE400i
0
Votes
Planar Magnetic
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Type of driver technology used for sound production.
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High Frequency Response
What is the highest frequency response?
20
Hz
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Highest audible frequency reproduced.
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Low Frequency Response
What is the lowest frequency response?
20
Hz
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Lowest audible frequency reproduced.
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Sound Pressure Level
What is the sound pressure level?
93
dB
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Acoustic pressure output.
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Maximum Input Power
What is the maximum input power?
200
mW
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Maximum power headphones can handle.
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HiFiMan HE400i
Impulse Response Speed
What is the impulse response speed?
0
HiFiMan HE400i
0
Votes
Fast
Headphone in this range
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Speed at which drivers respond to signal changes.
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HiFiMan HE400i
Phase Coherence
What is the phase coherence?
0
HiFiMan HE400i
0
Votes
Good
Headphone in this range
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Alignment of frequency components in phase.
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HiFiMan HE400i
Sound Signature
What is the sound signature?
0
HiFiMan HE400i
0
Votes
Neutral
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Tonal balance of headphone output.
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HiFiMan HE400i
Soundstage Depth
What is the soundstage depth?
0
HiFiMan HE400i
0
Votes
Deep
Headphone in this range
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Front-to-back perception of audio field.
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HiFiMan HE400i
Bass Enhancement Technology
What bass enhancement technology is used?
0
HiFiMan HE400i
0
Votes
None
Headphone in this range
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Technology that enhances bass response.
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HiFiMan HE400i
Treble Enhancement Technology
What treble enhancement technology is used?
0
HiFiMan HE400i
0
Votes
None
Headphone in this range
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Technology used to enhance treble clarity.
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HiFiMan HE400i
Surround Sound
Do the headphones support surround sound?
No
0Votes
HiFiMan HE400i
Headphone in this range
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Indicates if headphones support surround audio.
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HiFiMan HE400i
Dynamic Range
What is the dynamic range?
110
dB
0Votes
Headphone in this range
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Range between softest and loudest sounds.
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Connectivity & Compatibility
14
HiFiMan HE400i
Connection Type
What is the connection type?
0
HiFiMan HE400i
0
Votes
Wired
Headphone in this range
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HiFiMan HE400i
Connection type is Wired, so you will connect via a physical cable rather than pairing over Bluetooth.
Wired connections deliver consistent audio quality and zero wireless latency.
Defines whether headphones connect via cable, wireless, or both.
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HiFiMan HE400i
Operating System Compatibility
What operating systems are supported?
0
HiFiMan HE400i
0
Votes
Windows, MacOS, Android, iOS, Linux
Headphone in this range
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HiFiMan HE400i
Compatible with Windows, MacOS, Android, iOS, and Linux, so you can use the headphones with a wide range of computers and mobile devices.
No special drivers are required for basic wired audio on most of these platforms.
Operating systems the headphones work with.
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HiFiMan HE400i
Connector Plug Type
What is the connector plug type?
0
HiFiMan HE400i
0
Votes
3.5mm
Headphone in this range
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Type of physical connector for wired use.
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HiFiMan HE400i
Detachable Cable Connector Type
What detachable cable connector is used?
0
HiFiMan HE400i
0
Votes
2.5mm
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Connector type used for detachable cables.
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HiFiMan HE400i
Wired Mode Support
Do the headphones support wired mode?
Yes
0Votes
HiFiMan HE400i
Headphone in this range
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Indicates if headphones can also be used in wired mode.
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HiFiMan HE400i
NFC Pairing
Do the headphones support NFC pairing?
No
0Votes
HiFiMan HE400i
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Allows one-tap NFC device pairing.
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HiFiMan HE400i
Multipoint Connectivity
Do the headphones support multipoint connectivity?
No
0Votes
HiFiMan HE400i
Headphone in this range
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Ability to connect to multiple devices simultaneously.
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HiFiMan HE400i
SBC Support
Do the headphones support SBC?
No
0Votes
HiFiMan HE400i
Headphone in this range
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Indicates if headphones support SBC codec.
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HiFiMan HE400i
AAC Support
Do the headphones support AAC?
No
0Votes
HiFiMan HE400i
Headphone in this range
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Indicates if headphones support AAC codec.
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HiFiMan HE400i
AptX Support
Do the headphones support AptX?
No
0Votes
HiFiMan HE400i
Headphone in this range
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Indicates if headphones support Qualcomm AptX codec.
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HiFiMan HE400i
LDAC Support
Do the headphones support LDAC?
No
0Votes
HiFiMan HE400i
Headphone in this range
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Indicates if headphones support Sony’s LDAC codec.
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HiFiMan HE400i
USB Audio Support
Do the headphones support USB audio?
No
0Votes
HiFiMan HE400i
Headphone in this range
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Indicates if headphones can be used for audio via USB.
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HiFiMan HE400i
Low Latency Support
Do the headphones support low latency mode?
No
0Votes
HiFiMan HE400i
Headphone in this range
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Indicates if headphones reduce latency for gaming and video sync.
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HiFiMan HE400i
Wired Connector Gold Plated
Are the wired connectors gold-plated?
Yes
0Votes
HiFiMan HE400i
Headphone in this range
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Indicates if wired connectors are gold-plated for durability.
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Controls & Features
16
HiFiMan HE400i
On Device Controls
Do the headphones have on-device controls?
No
0Votes
HiFiMan HE400i
Headphone in this range
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Indicates if headphones have physical or touch controls on the unit.
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HiFiMan HE400i
Track Skipping Controls
Do the headphones support track skipping?
No
0Votes
HiFiMan HE400i
Headphone in this range
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Indicates if users can skip tracks directly on the headphones.
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HiFiMan HE400i
Volume Limiter
Do the headphones have a volume limiter?
No
0Votes
HiFiMan HE400i
Headphone in this range
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Allows setting a maximum volume for hearing protection.
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HiFiMan HE400i
Call Answer Controls
Do the headphones support call answering on-device?
No
0Votes
HiFiMan HE400i
Headphone in this range
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Indicates if calls can be answered using headphone controls.
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HiFiMan HE400i
Gesture Controls
Do the headphones support gesture controls?
No
0Votes
HiFiMan HE400i
Headphone in this range
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Indicates if gestures like swipe or tap are supported.
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HiFiMan HE400i
Touch Sensitivity Adjustment
Do the headphones allow touch sensitivity adjustment?
No
0Votes
HiFiMan HE400i
Headphone in this range
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Indicates if touch control sensitivity can be adjusted.
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HiFiMan HE400i
Programmable Buttons
Do the headphones have programmable buttons?
No
0Votes
HiFiMan HE400i
Headphone in this range
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Allows users to assign functions to buttons.
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HiFiMan HE400i
Control Lock Mode
Do the headphones have control lock mode?
No
0Votes
HiFiMan HE400i
Headphone in this range
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Prevents accidental input when controls are touched.
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HiFiMan HE400i
Auto Pause Play
Do the headphones auto-pause and play?
No
0Votes
HiFiMan HE400i
Headphone in this range
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Automatically pauses when removed and resumes when worn.
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HiFiMan HE400i
Customizable EQ
Do the headphones support customizable EQ?
No
0Votes
HiFiMan HE400i
Headphone in this range
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Indicates if sound signature can be customized via equalizer.
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HiFiMan HE400i
App Support
Do the headphones have app support?
No
0Votes
HiFiMan HE400i
Headphone in this range
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Indicates if headphones have a companion app.
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HiFiMan HE400i
Control Customization In App
Can controls be customized in the app?
No
0Votes
HiFiMan HE400i
Headphone in this range
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Ability to change control functions via app.
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HiFiMan HE400i
Voice Assistant Support
Do the headphones support voice assistants?
No
0Votes
HiFiMan HE400i
Headphone in this range
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Indicates support for Google Assistant, Siri, Alexa, etc.
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HiFiMan HE400i
Ambient Sound Mode
Do the headphones have ambient sound mode?
No
0Votes
HiFiMan HE400i
Headphone in this range
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Lets outside sounds in for awareness.
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HiFiMan HE400i
Transparency Mode
Do the headphones have transparency mode?
No
0Votes
HiFiMan HE400i
Headphone in this range
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Enhanced version of ambient sound mode for clarity.
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HiFiMan HE400i
Low Latency Mode
Do the headphones support low latency mode?
No
0Votes
HiFiMan HE400i
Headphone in this range
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Reduces delay for gaming or video sync.
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Microphone & Calling
8
HiFiMan HE400i
Built In Microphone
Do the headphones have a built-in microphone?
No
0Votes
HiFiMan HE400i
Headphone in this range
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Indicates if the headphones have a built-in microphone.
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HiFiMan HE400i
Detachable Boom Mic
Do the headphones have a detachable boom mic?
No
0Votes
HiFiMan HE400i
Headphone in this range
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Indicates if headphones support a detachable boom mic.
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HiFiMan HE400i
Noise Cancelling Microphone
Is the microphone noise cancelling?
No
0Votes
HiFiMan HE400i
Headphone in this range
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Indicates if microphone has active noise cancelling.
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HiFiMan HE400i
Beamforming Microphone
Does the microphone support beamforming?
No
0Votes
HiFiMan HE400i
Headphone in this range
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Uses multiple mics to focus on voice direction.
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HiFiMan HE400i
Echo Cancellation
Do the headphones support echo cancellation?
No
0Votes
HiFiMan HE400i
Headphone in this range
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Reduces echo during calls.
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HiFiMan HE400i
Wind Noise Reduction
Do the headphones reduce wind noise?
No
0Votes
HiFiMan HE400i
Headphone in this range
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Minimizes wind interference during outdoor use.
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HiFiMan HE400i
Mute Button
Do the headphones have a mute button?
No
0Votes
HiFiMan HE400i
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Indicates if there is a dedicated mute control.
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HiFiMan HE400i
Microphone Placement Adjustment
Can the microphone placement be adjusted?
No
0Votes
HiFiMan HE400i
Headphone in this range
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Indicates if the microphone position can be adjusted.
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Noise Control
9
HiFiMan HE400i
Passive Seal Quality
What is the passive seal quality?
0
HiFiMan HE400i
0
Votes
Poor
Headphone in this range
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HiFiMan HE400i
Passive seal quality is rated Poor, which is typical for open-back designs that prioritize soundstage over isolation.
You should not rely on these for blocking external noise in loud environments.
Quality of physical seal for blocking noise.
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HiFiMan HE400i
Active Noise Cancellation
Do the headphones support active noise cancellation?
No
0Votes
HiFiMan HE400i
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Indicates if the headphones have ANC technology.
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HiFiMan HE400i
ANC Level Adjustment
Can ANC levels be adjusted?
No
0Votes
HiFiMan HE400i
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Whether ANC intensity can be adjusted.
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HiFiMan HE400i
Passive Noise Isolation
Do the headphones provide passive noise isolation?
No
0Votes
HiFiMan HE400i
Headphone in this range
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Physical sealing and padding to block noise.
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HiFiMan HE400i
Transparency Mode Level Adjustment
Can transparency levels be adjusted?
No
0Votes
HiFiMan HE400i
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Allows adjustment of transparency mode strength.
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HiFiMan HE400i
Adaptive Sound Control
Do the headphones feature adaptive sound control?
No
0Votes
HiFiMan HE400i
Headphone in this range
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Automatically adjusts noise control based on environment.
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HiFiMan HE400i
Automatic ANC Adjustment
Does ANC adjust automatically?
No
0Votes
HiFiMan HE400i
Headphone in this range
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ANC adjusts automatically without user input.
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HiFiMan HE400i
Ambient Noise Detection
Do the headphones detect ambient noise?
No
0Votes
HiFiMan HE400i
Headphone in this range
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Sensors detect surrounding noise levels.
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HiFiMan HE400i
Wind Noise Reduction For ANC
Does ANC reduce wind noise?
No
0Votes
HiFiMan HE400i
Headphone in this range
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Reduces wind interference in ANC mode.
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Battery & Power
6
HiFiMan HE400i
Replaceable Battery
Is the battery replaceable?
No
0Votes
HiFiMan HE400i
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Indicates if the battery can be replaced.
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HiFiMan HE400i
Quick Charge Support
Does it support quick charging?
No
0Votes
HiFiMan HE400i
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Whether quick charge is supported.
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HiFiMan HE400i
Wireless Charging Support
Does it support wireless charging?
No
0Votes
HiFiMan HE400i
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Supports wireless charging.
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HiFiMan HE400i
Overcharge Protection
Does it have overcharge protection?
No
0Votes
HiFiMan HE400i
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Protects battery from overcharging.
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HiFiMan HE400i
Power Saving Mode
Does it have a power saving mode?
No
0Votes
HiFiMan HE400i
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Extends battery life by reducing power use.
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HiFiMan HE400i
Battery Indicator
Does it have a battery indicator?
No
0Votes
HiFiMan HE400i
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Shows battery level on device.
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Smart & Extra Features
16
HiFiMan HE400i
Hi Res Audio Certification
Is it Hi-Res certified?
Yes
0Votes
HiFiMan HE400i
Headphone in this range
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HiFiMan HE400i
The product carries Hi-Res Audio certification, indicating it meets certain high-resolution playback criteria.
This suggests good performance above standard CD-quality frequencies when paired with high-resolution sources.
Shows if headphones meet Hi-Res audio standards.
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HiFiMan HE400i
Hearing Protection Mode
Does it include hearing protection mode?
No
0Votes
HiFiMan HE400i
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Limits volume peaks to protect hearing.
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HiFiMan HE400i
Sleep Tracking
Does it track sleep?
No
0Votes
HiFiMan HE400i
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Tracks sleep patterns while wearing headphones.
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HiFiMan HE400i
Sleep Mode Timer
Does it have a sleep mode timer?
No
0Votes
HiFiMan HE400i
Headphone in this range
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Timer to automatically power off during sleep.
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HiFiMan HE400i
Multi Device Sync
Does it support multi-device sync?
No
0Votes
HiFiMan HE400i
Headphone in this range
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Connects to multiple devices simultaneously.
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HiFiMan HE400i
Auto Device Switching
Does it support auto device switching?
No
0Votes
HiFiMan HE400i
Headphone in this range
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Seamlessly switches between connected devices.
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HiFiMan HE400i
Find My Device Support
Does it support Find My Device?
No
0Votes
HiFiMan HE400i
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Supports location tracking for lost headphones.
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HiFiMan HE400i
Firmware Update Support
Can the firmware be updated?
No
0Votes
HiFiMan HE400i
Headphone in this range
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Indicates ability to update software for improvements.
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HiFiMan HE400i
Voice Recognition Personalization
Does it support voice recognition personalization?
No
0Votes
HiFiMan HE400i
Headphone in this range
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Learns and adapts to user’s voice commands.
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HiFiMan HE400i
Gaming Mode Optimization
Is there a gaming optimization mode?
No
0Votes
HiFiMan HE400i
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Special low-latency mode for gaming.
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HiFiMan HE400i
Integrated Storage For Cable
Does it have cable storage?
No
0Votes
HiFiMan HE400i
Headphone in this range
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Provides onboard storage for detachable cables.
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HiFiMan HE400i
AI Upscaling Audio
Does it feature AI audio upscaling?
No
0Votes
HiFiMan HE400i
Headphone in this range
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Enhances lower-quality audio using AI algorithms.
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HiFiMan HE400i
Head Tracking For Spatial Audio
Does it support head tracking for spatial audio?
No
0Votes
HiFiMan HE400i
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Supports dynamic spatial audio through head tracking.
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HiFiMan HE400i
Dolby Atmos Support
Is Dolby Atmos supported?
No
0Votes
HiFiMan HE400i
Headphone in this range
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Indicates Dolby Atmos surround compatibility.
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Dolby Atmos Support on HiFiMan HE400i
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HiFiMan HE400i
Custom Sound Profiles
Can you create custom sound profiles?
No
0Votes
HiFiMan HE400i
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Allows personalized sound settings.
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Custom Sound Profiles on HiFiMan HE400i
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HiFiMan HE400i
Learning EQ Adaptation
Does it adapt EQ through learning?
No
0Votes
HiFiMan HE400i
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AI adjusts EQ over time based on listening habits.
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Learning EQ Adaptation on HiFiMan HE400i
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Accessories
14
HiFiMan HE400i
Protective Pouch
Is a protective pouch included?
Yes
0Votes
HiFiMan HE400i
Headphone in this range
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HiFiMan HE400i
A protective pouch is included, giving basic protection for transport and storage.
The pouch is useful for keeping cables and the headphones together when not in use.
Indicates if a protective pouch is included.
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Protective Pouch on HiFiMan HE400i
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HiFiMan HE400i
Cable Adapter
Is a cable adapter included?
Yes
0Votes
HiFiMan HE400i
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HiFiMan HE400i
A cable adapter is included, which helps connect the headphones to a variety of output jacks or formats.
This makes the set more versatile for different audio equipment.
Indicates if a cable adapter is provided.
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Cable Adapter on HiFiMan HE400i
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HiFiMan HE400i
User Manual
Is a user manual included?
Yes
0Votes
HiFiMan HE400i
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HiFiMan HE400i
A user manual is included, offering setup instructions, safety information, and maintenance tips.
Refer to the manual for warranty registration and recommended care practices.
Indicates if a user manual is provided.
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User Manual on HiFiMan HE400i
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HiFiMan HE400i
Warranty Card
Is a warranty card included?
Yes
0Votes
HiFiMan HE400i
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HiFiMan HE400i
A warranty card is included with the product, which indicates manufacturer support for defects or warranty claims.
Keep the card and proof of purchase handy for any warranty service.
Indicates if a warranty card is provided.
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Warranty Card on HiFiMan HE400i
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HiFiMan HE400i
Carry Case
Is a carry case included?
Yes
0Votes
HiFiMan HE400i
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Whether a carry case is bundled with the headphones.
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HiFiMan HE400i
Carrying Case Type
What type of carrying case is included?
0
HiFiMan HE400i
0
Votes
Soft Case
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The type of carrying case included.
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HiFiMan HE400i
Extra Ear Tips
Are extra ear tips included?
No
0Votes
HiFiMan HE400i
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Indicates if extra ear tips are provided.
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Extra Ear Tips on HiFiMan HE400i
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HiFiMan HE400i
Extra Earpads
Are extra earpads included?
No
0Votes
HiFiMan HE400i
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Indicates if spare earpads are provided.
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HiFiMan HE400i
Audio Cable
Is an audio cable included?
Yes
0Votes
HiFiMan HE400i
Headphone in this range
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Indicates if an audio cable is provided.
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Audio Cable on HiFiMan HE400i
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HiFiMan HE400i
Charging Cable
Is a charging cable included?
No
0Votes
HiFiMan HE400i
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Indicates if a charging cable is provided.
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Charging Cable on HiFiMan HE400i
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HiFiMan HE400i
Airplane Adapter
Is an airplane adapter included?
No
0Votes
HiFiMan HE400i
Headphone in this range
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Indicates if an airplane adapter is included.
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Airplane Adapter on HiFiMan HE400i
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HiFiMan HE400i
Cable Clip
Is a cable clip included?
No
0Votes
HiFiMan HE400i
Headphone in this range
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Indicates if a cable clip is provided.
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Cable Clip on HiFiMan HE400i
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HiFiMan HE400i
Cleaning Tool
Is a cleaning tool included?
No
0Votes
HiFiMan HE400i
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Indicates if a cleaning tool is provided.
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Cleaning Tool on HiFiMan HE400i
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HiFiMan HE400i
Branding Stickers
Are branding stickers included?
No
0Votes
HiFiMan HE400i
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Indicates if branding stickers are provided.
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Branding Stickers on HiFiMan HE400i
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Surveys
Because hot takes deserve votes.
HiFiMan HE400i
Sound Quality
How would you rate the overall sound quality of these headphones?
Excellent — Clear, balanced, and immersive sound
0Votes
Very good — Great clarity with rich tones
0Votes
Decent — Clear mids but limited depth
0Votes
Average — Lacks detail or balance
0Votes
Poor — Muffled or distorted sound
0Votes
HiFiMan HE400i
Bass Performance
How strong and accurate is the bass performance on these headphones?
Powerful — Deep and clean low-end
0Votes
Strong — Noticeable and satisfying bass
0Votes
Balanced — Good mix of lows and highs
0Votes
Weak — Light or flat bass response
0Votes
Poor — No real bass presence
0Votes
HiFiMan HE400i
Comfort and Fit
How comfortable do these headphones feel during long listening sessions?
Extremely comfortable — Feels weightless for hours
0Votes
Comfortable — Slight pressure after long use
0Votes
Average — Fine for short periods
0Votes
Tight — Uncomfortable after an hour or two
0Votes
Unpleasant — Difficult to wear for long
0Votes
HiFiMan HE400i
Noise Cancellation
How effective is the noise cancellation feature on these headphones?
Excellent — Blocks over 90% of external noise
0Votes
Good — Reduces most background sounds
0Votes
Fair — Works in moderate noise only
0Votes
Weak — Minimal difference noticed
0Votes
Poor — Hardly blocks any noise
0Votes
HiFiMan HE400i
Battery Life
How long does the battery last on a full charge?
Excellent — Over 40 hours
0Votes
Good — 30 to 40 hours
0Votes
Average — 20 to 30 hours
0Votes
Short — 10 to 20 hours
0Votes
Very short — Under 10 hours
0Votes
HiFiMan HE400i
Build Quality and Durability
How durable and sturdy do these headphones feel?
Very durable — Lasts over 5 years
0Votes
Solid — Feels high-quality and strong
0Votes
Decent — Works fine but not rugged
0Votes
Weak — Shows wear within a year
0Votes
Fragile — Breaks or cracks easily
0Votes
HiFiMan HE400i
Connectivity
How smooth and reliable is the Bluetooth or wired connection of these headphones?
Excellent — Connects instantly, never drops
0Votes
Good — Stable with rare issues
0Votes
Decent — Occasional lag or delay
0Votes
Weak — Disconnects sometimes
0Votes
Poor — Frequently loses connection
0Votes
HiFiMan HE400i
Design and Style
How stylish and appealing do these headphones look?
Very stylish — Modern and premium design
0Votes
Attractive — Clean and sleek look
0Votes
Decent — Looks fine but simple
0Votes
Basic — Functional but plain
0Votes
Unappealing — Bulky or outdated design
0Votes
HiFiMan HE400i
Portability
How easy is it to carry and store these headphones when not in use?
Very portable — Folds compactly and lightweight
0Votes
Easy to carry — Compact with carrying case
0Votes
Manageable — Moderate size and weight
0Votes
Bulky — Hard to pack in small bags
0Votes
Very bulky — Difficult to travel with
0Votes
HiFiMan HE400i
Pricing
How would you describe the price of these headphones for their sound and features?
Supermod
