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What makes the HiFiMan HE-X4 headphone stand out in a crowded lineup? These 147 specs & features — especially general information, dimensions & weight, materials & build & audio performance — are a good start.
Why is HiFiMan HE-X4 better than other headphones ?
Quick Take
The essentials that matter—nothing extra
A fast snapshot of the HiFiMan HE-X4, covering its standout specification and what you can expect right out of the box.
HiFiMan HE-X4
HiFiMan HE-X4 is an open-back planar magnetic headphone designed to deliver detailed sound and spacious audio performance. It uses planar driver technology to produce clear mids, controlled bass, and natural imaging for immersive listening. With a lightweight over-ear design and detachable cable, it is built for comfortable home listening and everyday audiophile use.
Specifications & Facts 147
Specs measured. Drama avoided.
Looking to upgrade? Check the HiFiMan HE-X4 headphone with full details: price, 147 features, pros and cons, and how it stacks up vs top headphones.
General Information 17
HiFiMan HE-X4 Warranty Period
What is the warranty period?
0 HiFiMan HE-X4 0 Votes 1 Year
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HiFiMan HE-X4
Manufacturer warranty period is 1 Year, covering defects in materials and workmanship for that duration.
Duration of manufacturer’s warranty.
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HiFiMan HE-X4 Intended Use
What is the intended use?
0 HiFiMan HE-X4 0 Votes Gaming
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HiFiMan HE-X4
Intended primarily for Gaming, suggesting comfort and clarity considerations that benefit long sessions and positional audio use.
The primary intended application for the headphones.
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HiFiMan HE-X4 Form Factor
What is the form factor?
0 HiFiMan HE-X4 0 Votes Wired
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HiFiMan HE-X4
Form factor is Wired, reinforcing that the headphones connect via a cable rather than offering wireless operation.
The main physical form factor.
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HiFiMan HE-X4 Release Year
What is the release year?
0 HiFiMan HE-X4 0 Votes 2021
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HiFiMan HE-X4
The product was released in 2021.
Year the headphones were first released.
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HiFiMan HE-X4 Replaceable Cable
Is the cable replaceable?
Yes 0Votes HiFiMan HE-X4
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HiFiMan HE-X4
Yes indicates the cable is replaceable, allowing you to swap it if damaged or to use aftermarket cables with different connectors or lengths.
Indicates if cable can be replaced with another.
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HiFiMan HE-X4 Certification Standard
What certifications are included?
0 HiFiMan HE-X4 0 Votes CE, FCC, RoHS
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HiFiMan HE-X4
Certified to CE, FCC, and RoHS, indicating compliance with European and U.S. safety/emissions standards and restrictions on hazardous substances.
Compliance standards product meets.
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HiFiMan HE-X4 Product Name
What is the product name?
0 HiFiMan HE-X4 0 Votes HiFiMan HE-X4
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The official name of the headphones.
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HiFiMan HE-X4 Limited Edition
Is it a limited edition?
No 0Votes HiFiMan HE-X4
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Shows if product is a limited edition release.
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HiFiMan HE-X4 Country of Origin
What is the country of origin?
0 HiFiMan HE-X4 0 Votes China
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Country where the product was designed or manufactured.
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HiFiMan HE-X4 Headphone Type
What type of headphones are these?
0 HiFiMan HE-X4 0 Votes Over Ear
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The general type of headphones.
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HiFiMan HE-X4 Fit Style
What is the fit style?
0 HiFiMan HE-X4 0 Votes Open Back
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The fit and enclosure style of headphones.
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HiFiMan HE-X4 Detachable Cable
Does it have a detachable cable?
Yes 0Votes HiFiMan HE-X4
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Cable can be detached for replacement or portability.
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HiFiMan HE-X4 Replaceable Earpads
Are the earpads replaceable?
Yes 0Votes HiFiMan HE-X4
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Indicates if ear pads can be replaced.
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HiFiMan HE-X4 Age Group Recommendation
What age group is recommended?
0 HiFiMan HE-X4 0 Votes Adult
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Recommended age group for product use.
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HiFiMan HE-X4 Series Name
What series is it part of?
0 HiFiMan HE-X4 0 Votes HE Series
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The series or family line the headphones belong to.
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HiFiMan HE-X4 Foldable Design
Do they have a foldable design?
No 0Votes HiFiMan HE-X4
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Indicates if headphones can be folded for storage.
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HiFiMan HE-X4 Replaceable Headband
Is the headband replaceable?
No 0Votes HiFiMan HE-X4
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Indicates if headband can be replaced.
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Dimensions & Weight 2
HiFiMan HE-X4 Weight
What is the headphone weight?
0.93 lbs 0Votes
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HiFiMan HE-X4
Weight is 0.926 lbs (approx. 0.42 kg), which is relatively heavy for over-ear headphones and may affect long-term comfort.
Overall headphone weight without packaging.
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HiFiMan HE-X4 Cable Length
What is the cable length?
4.92 ft 0Votes
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HiFiMan HE-X4
Cable length is 4.92 ft (approx. 1.50 m).
Length of the audio cable for wired use.
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Materials & Build 16
HiFiMan HE-X4 Material
What is the main material of the headphones?
0 HiFiMan HE-X4 0 Votes Hybrid
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HiFiMan HE-X4
Chassis/material is listed as Hybrid, implying a combination of materials (for example metal and plastic) intended to balance strength and weight.
Primary construction material of the headphones.
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HiFiMan HE-X4 Ear Cushion Material
What is the ear cushion material?
0 HiFiMan HE-X4 0 Votes Velour
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HiFiMan HE-X4
Ear cushions are made of Velour, which typically offers softer, breathable comfort but slightly less isolation than leather or memory foam.
Material of ear cushions that affects comfort and breathability.
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HiFiMan HE-X4 Headband Padding Material
What is the headband padding material?
0 HiFiMan HE-X4 0 Votes Foam
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HiFiMan HE-X4
Headband padding uses Foam, which provides basic cushioning and lightweight comfort for typical listening sessions.
Padding type used in the headband.
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HiFiMan HE-X4 Hinges Material
What is the hinge material?
0 HiFiMan HE-X4 0 Votes Metal
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HiFiMan HE-X4
Hinges are made from Metal, which typically increases durability and longevity compared with plastic hinges.
Material used for the folding hinges.
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HiFiMan HE-X4 Color Options
What are the color options?
0 HiFiMan HE-X4 0 Votes Black
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Available colors for the headphones.
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HiFiMan HE-X4 Cable Material
What is the cable material?
0 HiFiMan HE-X4 0 Votes Braided Nylon
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Construction material of the audio cable.
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HiFiMan HE-X4 Connector Material
What is the connector material?
0 HiFiMan HE-X4 0 Votes Gold Plated
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Metal used for plug connectors.
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HiFiMan HE-X4 Reinforced Joints
Do the headphones have reinforced joints?
Yes 0Votes HiFiMan HE-X4
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Indicates if stress points are reinforced for durability.
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HiFiMan HE-X4 Water Resistance Rating
What is the water resistance rating?
0 HiFiMan HE-X4 0 Votes IPX0
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Resistance level against water ingress.
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HiFiMan HE-X4 Sweat Resistance
Are the headphones sweat resistant?
No 0Votes HiFiMan HE-X4
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Indicates whether headphones resist sweat damage.
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HiFiMan HE-X4 Dust Resistance
Are the headphones dust resistant?
No 0Votes HiFiMan HE-X4
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Indicates whether headphones are resistant to dust particles.
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HiFiMan HE-X4 Scratch Resistant Coating
Do the headphones have scratch resistant coating?
No 0Votes HiFiMan HE-X4
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Protective layer against scratches.
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HiFiMan HE-X4 UV Resistant Coating
Do the headphones have UV resistant coating?
No 0Votes HiFiMan HE-X4
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Resistance against UV light fading or damage.
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HiFiMan HE-X4 Finish
What is the finish?
0 HiFiMan HE-X4 0 Votes Matte
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Surface treatment of the headphone exterior.
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HiFiMan HE-X4 Recyclable Materials
Are the headphones made with recyclable materials?
Yes 0Votes HiFiMan HE-X4
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Indicates if materials are recyclable for sustainability.
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HiFiMan HE-X4 Eco Friendly Certification
What eco friendly certification do the headphones have?
0 HiFiMan HE-X4 0 Votes Other
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Environmental certification of the product.
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Audio Performance 19
HiFiMan HE-X4 Driver Size
What is the driver size?
60 mm 0Votes
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HiFiMan HE-X4
Driver size is 60 mm, a large diameter that typically helps with control, detail, and low-frequency extension.
Diameter of the driver unit.
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HiFiMan HE-X4 Acoustic Design
What is the acoustic design?
0 HiFiMan HE-X4 0 Votes Open Back
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HiFiMan HE-X4
Acoustic design is Open Back, which typically yields a more airy, natural sound but offers less isolation and increased sound leakage compared to closed-back designs.
Headphone enclosure type.
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HiFiMan HE-X4 Low Frequency Response
What is the lowest frequency response?
20 Hz 0Votes
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HiFiMan HE-X4
The low-frequency response extends down to 20 Hz, providing accurate sub-bass reproduction rather than artificially boosted bass.
Lowest audible frequency reproduced.
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HiFiMan HE-X4 Impedance
What is the impedance?
25 ohm 0Votes
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HiFiMan HE-X4
Impedance is 25 ohm, making these headphones easy to drive from portable devices without requiring a dedicated high-voltage headphone amplifier.
Electrical resistance of headphones.
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HiFiMan HE-X4 High Frequency Response
What is the highest frequency response?
20,000 Hz 0Votes
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HiFiMan HE-X4
High-frequency response reaches 20000 Hz, covering the standard audible range up to 20 kHz for detailed treble reproduction.
Highest audible frequency reproduced.
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HiFiMan HE-X4 Sound Pressure Level
What is the sound pressure level?
91 dB 0Votes
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HiFiMan HE-X4
Sound pressure level (sensitivity) is 91 dB, indicating the SPL produced per unit input and useful when comparing efficiency between headphones.
Acoustic pressure output.
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HiFiMan HE-X4 Maximum Input Power
What is the maximum input power?
2,000 mW 0Votes
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HiFiMan HE-X4
Maximum input power is 2000 mW, so avoid exceeding this level to prevent potential driver damage.
Maximum power headphones can handle.
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HiFiMan HE-X4 Total Harmonic Distortion
What is the THD?
0.1 % 0Votes
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HiFiMan HE-X4
Total harmonic distortion is 0.1%, a low figure that indicates minimal distortion at nominal listening levels.
Distortion in audio output.
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HiFiMan HE-X4 Stereo Imaging Quality
What is the stereo imaging quality?
0 HiFiMan HE-X4 0 Votes Good
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HiFiMan HE-X4
The stereo imaging is rated Good, which implies clear left-right separation suitable for general listening and accurate placement of instruments in the mix.
Ability to position sound accurately in stereo field.
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HiFiMan HE-X4 Soundstage Depth
What is the soundstage depth?
0 HiFiMan HE-X4 0 Votes Moderate
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HiFiMan HE-X4
Soundstage depth is Moderate, offering a fair sense of depth without the extreme three-dimensionality of more expansive designs.
Front-to-back perception of audio field.
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HiFiMan HE-X4 Driver Type
What is the driver type?
0 HiFiMan HE-X4 0 Votes Planar Magnetic
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Type of driver technology used for sound production.
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HiFiMan HE-X4 Sensitivity
What is the sensitivity?
91 dB 0Votes
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Loudness produced per given input power.
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HiFiMan HE-X4 Impulse Response Speed
What is the impulse response speed?
0 HiFiMan HE-X4 0 Votes Ultra Fast
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Speed at which drivers respond to signal changes.
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HiFiMan HE-X4 Phase Coherence
What is the phase coherence?
0 HiFiMan HE-X4 0 Votes Excellent
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Alignment of frequency components in phase.
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HiFiMan HE-X4 Sound Signature
What is the sound signature?
0 HiFiMan HE-X4 0 Votes Neutral
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Tonal balance of headphone output.
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HiFiMan HE-X4 Soundstage Width
What is the soundstage width?
0 HiFiMan HE-X4 0 Votes Wide
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Lateral spread of perceived audio.
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HiFiMan HE-X4 Bass Enhancement Technology
What bass enhancement technology is used?
0 HiFiMan HE-X4 0 Votes None
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Technology that enhances bass response.
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HiFiMan HE-X4 Treble Enhancement Technology
What treble enhancement technology is used?
0 HiFiMan HE-X4 0 Votes None
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Technology used to enhance treble clarity.
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HiFiMan HE-X4 Surround Sound
Do the headphones support surround sound?
No 0Votes HiFiMan HE-X4
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Indicates if headphones support surround audio.
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Connectivity & Compatibility 17
HiFiMan HE-X4 Connection Type
What is the connection type?
0 HiFiMan HE-X4 0 Votes Wired
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HiFiMan HE-X4
Connection type is Wired, so these headphones connect via cable and do not provide native wireless (Bluetooth) operation.
Defines whether headphones connect via cable, wireless, or both.
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HiFiMan HE-X4 Operating System Compatibility
What operating systems are supported?
0 HiFiMan HE-X4 0 Votes Windows, MacOS, Android, iOS, Linux
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HiFiMan HE-X4
Compatible with Windows, MacOS, Android, iOS, and Linux, covering all major desktop and mobile platforms for broad interoperability.
Operating systems the headphones work with.
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HiFiMan HE-X4 Bluetooth Profiles Supported
What Bluetooth profiles are supported?
0 HiFiMan HE-X4 0 Votes A2DP
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HiFiMan HE-X4
Supports the A2DP Bluetooth profile for high-quality audio streaming from compatible devices.
Bluetooth profiles enabled for different functions.
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HiFiMan HE-X4 Pairing Memory Capacity
How many devices can the headphones remember?
0 HiFiMan HE-X4 0 Votes 1
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HiFiMan HE-X4
Pairing memory capacity is 1, meaning the headphones will remember a single previously paired device at a time.
Number of devices the headphones can remember for quick reconnection.
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HiFiMan HE-X4 Connector Plug Type
What is the connector plug type?
0 HiFiMan HE-X4 0 Votes 3.5mm
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Type of physical connector for wired use.
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HiFiMan HE-X4 Detachable Cable Connector Type
What detachable cable connector is used?
0 HiFiMan HE-X4 0 Votes 3.5mm
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Connector type used for detachable cables.
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HiFiMan HE-X4 Wired Connector Gold Plated
Are the wired connectors gold-plated?
Yes 0Votes HiFiMan HE-X4
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Indicates if wired connectors are gold-plated for durability.
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HiFiMan HE-X4 Wired Mode Support
Do the headphones support wired mode?
Yes 0Votes HiFiMan HE-X4
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Indicates if headphones can also be used in wired mode.
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HiFiMan HE-X4 NFC Pairing
Do the headphones support NFC pairing?
No 0Votes HiFiMan HE-X4
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Allows one-tap NFC device pairing.
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HiFiMan HE-X4 Multipoint Connectivity
Do the headphones support multipoint connectivity?
No 0Votes HiFiMan HE-X4
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Ability to connect to multiple devices simultaneously.
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HiFiMan HE-X4 SBC Support
Do the headphones support SBC?
No 0Votes HiFiMan HE-X4
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Indicates if headphones support SBC codec.
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HiFiMan HE-X4 AAC Support
Do the headphones support AAC?
No 0Votes HiFiMan HE-X4
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Indicates if headphones support AAC codec.
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HiFiMan HE-X4 AptX Support
Do the headphones support AptX?
No 0Votes HiFiMan HE-X4
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Indicates if headphones support Qualcomm AptX codec.
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HiFiMan HE-X4 LDAC Support
Do the headphones support LDAC?
No 0Votes HiFiMan HE-X4
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Indicates if headphones support Sony’s LDAC codec.
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HiFiMan HE-X4 USB Audio Support
Do the headphones support USB audio?
No 0Votes HiFiMan HE-X4
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Indicates if headphones can be used for audio via USB.
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HiFiMan HE-X4 Low Latency Support
Do the headphones support low latency mode?
No 0Votes HiFiMan HE-X4
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Indicates if headphones reduce latency for gaming and video sync.
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HiFiMan HE-X4 Bluetooth Version
What is the Bluetooth version?
0 HiFiMan HE-X4 0 Votes 5.3
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Version of Bluetooth supported.
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Controls & Features 17
HiFiMan HE-X4 On Device Controls
Do the headphones have on-device controls?
No 0Votes HiFiMan HE-X4
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Indicates if headphones have physical or touch controls on the unit.
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HiFiMan HE-X4 Track Skipping Controls
Do the headphones support track skipping?
No 0Votes HiFiMan HE-X4
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Indicates if users can skip tracks directly on the headphones.
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HiFiMan HE-X4 Volume Limiter
Do the headphones have a volume limiter?
No 0Votes HiFiMan HE-X4
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Allows setting a maximum volume for hearing protection.
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HiFiMan HE-X4 Call Answer Controls
Do the headphones support call answering on-device?
No 0Votes HiFiMan HE-X4
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Indicates if calls can be answered using headphone controls.
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HiFiMan HE-X4 Gesture Controls
Do the headphones support gesture controls?
No 0Votes HiFiMan HE-X4
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Indicates if gestures like swipe or tap are supported.
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HiFiMan HE-X4 Touch Sensitivity Adjustment
Do the headphones allow touch sensitivity adjustment?
No 0Votes HiFiMan HE-X4
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Indicates if touch control sensitivity can be adjusted.
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HiFiMan HE-X4 Programmable Buttons
Do the headphones have programmable buttons?
No 0Votes HiFiMan HE-X4
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Allows users to assign functions to buttons.
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HiFiMan HE-X4 Control Lock Mode
Do the headphones have control lock mode?
No 0Votes HiFiMan HE-X4
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Prevents accidental input when controls are touched.
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HiFiMan HE-X4 Auto Pause Play
Do the headphones auto-pause and play?
No 0Votes HiFiMan HE-X4
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Automatically pauses when removed and resumes when worn.
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HiFiMan HE-X4 Customizable EQ
Do the headphones support customizable EQ?
No 0Votes HiFiMan HE-X4
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Indicates if sound signature can be customized via equalizer.
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HiFiMan HE-X4 App Support
Do the headphones have app support?
No 0Votes HiFiMan HE-X4
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Indicates if headphones have a companion app.
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HiFiMan HE-X4 Control Customization In App
Can controls be customized in the app?
No 0Votes HiFiMan HE-X4
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Ability to change control functions via app.
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HiFiMan HE-X4 Voice Assistant Support
Do the headphones support voice assistants?
No 0Votes HiFiMan HE-X4
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Indicates support for Google Assistant, Siri, Alexa, etc.
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HiFiMan HE-X4 Ambient Sound Mode
Do the headphones have ambient sound mode?
No 0Votes HiFiMan HE-X4
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Lets outside sounds in for awareness.
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HiFiMan HE-X4 Transparency Mode
Do the headphones have transparency mode?
No 0Votes HiFiMan HE-X4
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Enhanced version of ambient sound mode for clarity.
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HiFiMan HE-X4 Low Latency Mode
Do the headphones support low latency mode?
No 0Votes HiFiMan HE-X4
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Reduces delay for gaming or video sync.
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HiFiMan HE-X4 Button Feedback Type
What is the button feedback type?
0 HiFiMan HE-X4 0 Votes Tactile
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Type of feedback provided when using controls.
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Microphone & Calling 12
HiFiMan HE-X4 Built In Microphone
Do the headphones have a built-in microphone?
No 0Votes HiFiMan HE-X4
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Indicates if the headphones have a built-in microphone.
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HiFiMan HE-X4 Detachable Boom Mic
Do the headphones have a detachable boom mic?
No 0Votes HiFiMan HE-X4
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Indicates if headphones support a detachable boom mic.
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HiFiMan HE-X4 Noise Cancelling Microphone
Is the microphone noise cancelling?
No 0Votes HiFiMan HE-X4
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Indicates if microphone has active noise cancelling.
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HiFiMan HE-X4 Beamforming Microphone
Does the microphone support beamforming?
No 0Votes HiFiMan HE-X4
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Uses multiple mics to focus on voice direction.
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HiFiMan HE-X4 Echo Cancellation
Do the headphones support echo cancellation?
No 0Votes HiFiMan HE-X4
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Reduces echo during calls.
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HiFiMan HE-X4 Wind Noise Reduction
Do the headphones reduce wind noise?
No 0Votes HiFiMan HE-X4
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Minimizes wind interference during outdoor use.
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HiFiMan HE-X4 Mute Button
Do the headphones have a mute button?
No 0Votes HiFiMan HE-X4
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Indicates if there is a dedicated mute control.
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HiFiMan HE-X4 Microphone Placement Adjustment
Can the microphone placement be adjusted?
No 0Votes HiFiMan HE-X4
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Indicates if the microphone position can be adjusted.
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HiFiMan HE-X4 Microphone Type
What is the microphone type?
0 HiFiMan HE-X4 0 Votes Uni Directional
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Type of microphone pickup pattern.
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HiFiMan HE-X4 Microphone Position
What is the microphone position?
0 HiFiMan HE-X4 0 Votes Inline
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Location of microphone on the headphones.
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HiFiMan HE-X4 Microphone Sensitivity
What is the microphone sensitivity?
91 dB 0Votes
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Loudness pickup capability of microphone.
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HiFiMan HE-X4 Number Of Microphones
How many microphones are included?
0 HiFiMan HE-X4 0 Votes 1
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Total microphones used for pickup and processing.
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Noise Control 9
HiFiMan HE-X4 Passive Seal Quality
What is the passive seal quality?
0 HiFiMan HE-X4 0 Votes Poor
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HiFiMan HE-X4
The passive seal performance is Poor, so expect less isolation from external noise and more sound leakage compared with designs that have a better seal.
Quality of physical seal for blocking noise.
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HiFiMan HE-X4 Active Noise Cancellation
Do the headphones support active noise cancellation?
No 0Votes HiFiMan HE-X4
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Indicates if the headphones have ANC technology.
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HiFiMan HE-X4 ANC Level Adjustment
Can ANC levels be adjusted?
No 0Votes HiFiMan HE-X4
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Whether ANC intensity can be adjusted.
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HiFiMan HE-X4 Passive Noise Isolation
Do the headphones provide passive noise isolation?
No 0Votes HiFiMan HE-X4
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Physical sealing and padding to block noise.
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HiFiMan HE-X4 Transparency Mode Level Adjustment
Can transparency levels be adjusted?
No 0Votes HiFiMan HE-X4
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Allows adjustment of transparency mode strength.
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HiFiMan HE-X4 Adaptive Sound Control
Do the headphones feature adaptive sound control?
No 0Votes HiFiMan HE-X4
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Automatically adjusts noise control based on environment.
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HiFiMan HE-X4 Automatic ANC Adjustment
Does ANC adjust automatically?
No 0Votes HiFiMan HE-X4
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ANC adjusts automatically without user input.
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HiFiMan HE-X4 Ambient Noise Detection
Do the headphones detect ambient noise?
No 0Votes HiFiMan HE-X4
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Sensors detect surrounding noise levels.
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HiFiMan HE-X4 Wind Noise Reduction For ANC
Does ANC reduce wind noise?
No 0Votes HiFiMan HE-X4
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Reduces wind interference in ANC mode.
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Battery & Power 8
HiFiMan HE-X4 Replaceable Battery
Is the battery replaceable?
No 0Votes HiFiMan HE-X4
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Indicates if the battery can be replaced.
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HiFiMan HE-X4 Quick Charge Support
Does it support quick charging?
No 0Votes HiFiMan HE-X4
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Whether quick charge is supported.
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HiFiMan HE-X4 Wireless Charging Support
Does it support wireless charging?
No 0Votes HiFiMan HE-X4
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Supports wireless charging.
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HiFiMan HE-X4 Overcharge Protection
Does it have overcharge protection?
No 0Votes HiFiMan HE-X4
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Protects battery from overcharging.
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HiFiMan HE-X4 Power Saving Mode
Does it have a power saving mode?
No 0Votes HiFiMan HE-X4
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Extends battery life by reducing power use.
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HiFiMan HE-X4 Battery Indicator
Does it have a battery indicator?
No 0Votes HiFiMan HE-X4
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Shows battery level on device.
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HiFiMan HE-X4 Battery Type
What type of battery does it use?
0 HiFiMan HE-X4 0 Votes Li-ion
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The kind of rechargeable battery used.
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HiFiMan HE-X4 Charging Connector Type
What is the charging connector type?
0 HiFiMan HE-X4 0 Votes USB-C
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The type of connector used for charging.
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Smart & Extra Features 16
HiFiMan HE-X4 AI Upscaling Audio
Does it feature AI audio upscaling?
No 0Votes HiFiMan HE-X4
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Enhances lower-quality audio using AI algorithms.
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HiFiMan HE-X4 Head Tracking For Spatial Audio
Does it support head tracking for spatial audio?
No 0Votes HiFiMan HE-X4
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Supports dynamic spatial audio through head tracking.
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HiFiMan HE-X4 Dolby Atmos Support
Is Dolby Atmos supported?
No 0Votes HiFiMan HE-X4
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Indicates Dolby Atmos surround compatibility.
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HiFiMan HE-X4 Hi Res Audio Certification
Is it Hi-Res certified?
No 0Votes HiFiMan HE-X4
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Shows if headphones meet Hi-Res audio standards.
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HiFiMan HE-X4 Custom Sound Profiles
Can you create custom sound profiles?
No 0Votes HiFiMan HE-X4
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Allows personalized sound settings.
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HiFiMan HE-X4 Learning EQ Adaptation
Does it adapt EQ through learning?
No 0Votes HiFiMan HE-X4
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AI adjusts EQ over time based on listening habits.
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HiFiMan HE-X4 Hearing Protection Mode
Does it include hearing protection mode?
No 0Votes HiFiMan HE-X4
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Limits volume peaks to protect hearing.
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HiFiMan HE-X4 Sleep Tracking
Does it track sleep?
No 0Votes HiFiMan HE-X4
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Tracks sleep patterns while wearing headphones.
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HiFiMan HE-X4 Sleep Mode Timer
Does it have a sleep mode timer?
No 0Votes HiFiMan HE-X4
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Timer to automatically power off during sleep.
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HiFiMan HE-X4 Multi Device Sync
Does it support multi-device sync?
No 0Votes HiFiMan HE-X4
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Connects to multiple devices simultaneously.
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HiFiMan HE-X4 Auto Device Switching
Does it support auto device switching?
No 0Votes HiFiMan HE-X4
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Seamlessly switches between connected devices.
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HiFiMan HE-X4 Find My Device Support
Does it support Find My Device?
No 0Votes HiFiMan HE-X4
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Supports location tracking for lost headphones.
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HiFiMan HE-X4 Firmware Update Support
Can the firmware be updated?
No 0Votes HiFiMan HE-X4
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Indicates ability to update software for improvements.
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HiFiMan HE-X4 Voice Recognition Personalization
Does it support voice recognition personalization?
No 0Votes HiFiMan HE-X4
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Learns and adapts to user’s voice commands.
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HiFiMan HE-X4 Gaming Mode Optimization
Is there a gaming optimization mode?
No 0Votes HiFiMan HE-X4
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Special low-latency mode for gaming.
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HiFiMan HE-X4 Integrated Storage For Cable
Does it have cable storage?
No 0Votes HiFiMan HE-X4
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Provides onboard storage for detachable cables.
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Accessories 14
HiFiMan HE-X4 Carrying Case Type
What type of carrying case is included?
0 HiFiMan HE-X4 0 Votes Hard Case
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HiFiMan HE-X4
Includes a Hard Case for storage and transport, providing rigid protection against impacts and crushing.
The type of carrying case included.
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HiFiMan HE-X4 Protective Pouch
Is a protective pouch included?
Yes 0Votes HiFiMan HE-X4
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HiFiMan HE-X4
Yes means a protective pouch is included for storing and transporting the headphones when not in use.
Indicates if a protective pouch is included.
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HiFiMan HE-X4 Audio Cable
Is an audio cable included?
Yes 0Votes HiFiMan HE-X4
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HiFiMan HE-X4
Yes indicates the headphones include a wired audio cable for direct, low-latency connections to sources.
Indicates if an audio cable is provided.
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HiFiMan HE-X4 Carry Case
Is a carry case included?
No 0Votes HiFiMan HE-X4
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Whether a carry case is bundled with the headphones.
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HiFiMan HE-X4 Extra Ear Tips
Are extra ear tips included?
No 0Votes HiFiMan HE-X4
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Indicates if extra ear tips are provided.
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HiFiMan HE-X4 Extra Earpads
Are extra earpads included?
No 0Votes HiFiMan HE-X4
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Indicates if spare earpads are provided.
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HiFiMan HE-X4 Charging Cable
Is a charging cable included?
No 0Votes HiFiMan HE-X4
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Indicates if a charging cable is provided.
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HiFiMan HE-X4 Cable Adapter
Is a cable adapter included?
Yes 0Votes HiFiMan HE-X4
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Indicates if a cable adapter is provided.
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HiFiMan HE-X4 Airplane Adapter
Is an airplane adapter included?
No 0Votes HiFiMan HE-X4
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Indicates if an airplane adapter is included.
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HiFiMan HE-X4 Cable Clip
Is a cable clip included?
No 0Votes HiFiMan HE-X4
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Indicates if a cable clip is provided.
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HiFiMan HE-X4 Cleaning Tool
Is a cleaning tool included?
No 0Votes HiFiMan HE-X4
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Indicates if a cleaning tool is provided.
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HiFiMan HE-X4 User Manual
Is a user manual included?
Yes 0Votes HiFiMan HE-X4
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Indicates if a user manual is provided.
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HiFiMan HE-X4 Warranty Card
Is a warranty card included?
Yes 0Votes HiFiMan HE-X4
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Indicates if a warranty card is provided.
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HiFiMan HE-X4 Branding Stickers
Are branding stickers included?
No 0Votes HiFiMan HE-X4
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Indicates if branding stickers are provided.
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Surveys
Because hot takes deserve votes.
HiFiMan HE-X4 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 HE-X4 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 HE-X4 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 HE-X4 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 HE-X4 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 HE-X4 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 HE-X4 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 HE-X4 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 HE-X4 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 HE-X4 Pricing
How would you describe the price of these headphones for their sound and features?
Supermod 
