I am no expert at looking at the sound graphs (frequency response graphs) and say this headphone is good for this, that headphone is good for that etc. I am more of an avg Joe who over the years have upgraded from some headphones whose name I don't even recall anymore to a SennheiserHD 202, then an Audio-Technica ATHM50X, then a Sennheiser Momentum 2.0 (wired) to a Bose QC35 to a Fostex T50RP MKII to the HiFiMan HE400i. I am pretty careful with my headphones though and still owns all of these ( HD202 is probably 10 years old or more).
Of these headphones, I have to say, the He400i stands out! First off, they are not that heavier, the headband rests very comfortably over the head preventing any kind of strain, the ear pads are by far the most comfortable in this group, and the sound quality is amaaaaazing!! The biggest revelation I had while listening to many of my favorite songs was that how much detailed the the songs actually were. It almost felt like I was listening to a different version of the songs! That is the level of detail that these headphones brings out. I also like the sound stage it provides as it immerses you in the music thoroughly.
I do active and passive listening to the songs .. with passive listening when I am doing some chores around the house. Even when doing passive listening, the music flowing through these headphones frequently grabbed my attention and made me stop what I was doing, close my eyes and just listen till the remainder of the song. It is just that good.
If anyone is still contemplating buying these phones, all I have to say is, do yourself a favor and just go for it. The fully covering (Circumaural) ear pads alone is reason enough to get this. This, combined with how comfortable and fatigue less these are over long sessions, combined with the amazing sound quality these provide makes it a real winner in my eyes (or should I say ears? ).
One thing to note is that.. as far as planars are concerned, these headphones are very easy to drive. I was able to get a good quality output from the headphone even without an Amp or a DAC attached. However, you do need a good amp to bring the best out of these headphones. A Modi 2/ Magni 2 combo is an excellent option.. If you are on a budget, just get an amp like the Fiio A3 (which is really awesome for the price btw).
I am just happy that I did go for these headphones and am looking forward to hours and hours of listening and re-discovering all the beautiful songs that I have loved for so many years!
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HIFIMAN HE-400I Over Ear Full-size Planar Magnetic Headphones (Renewed) $208.62
(37)
Works and looks like new and backed by the Amazon Renewed Guarantee
(37)
Works and looks like new and backed by the Amazon Renewed Guarantee
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 | Drop + HIFIMAN HE4XX Planar Magnetic Over-ear Open-back Headphones,midnight-blue | HIFIMAN HE-400I Over Ear Full-size Planar Magnetic Headphones (Renewed) | HIFIMAN HE400S Over Ear Full-Size Planar Magnetic Headphone | HIFIMAN HE400i Over Ear Open Back Magnetic Planar Reference Studio Headphone with 3.5mm Plug-in Connector-Extended Manufacturer's Warranty | |
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| Customer Rating | (860) | (284) | (37) | (188) | (29) |
| Price | $281.36 | $145.68 | $208.62 | $149.00 | $159.00 |
| Shipping | FREE Shipping. Details | FREE Shipping. Details | FREE Shipping. Details | FREE Shipping. Details | FREE Shipping. Details |
| Sold By | Amazon.com | Amazon Warehouse | Amazon Warehouse | GRAMOPHONE | Kaviso |
| Color | Gray | Midnight-Blue | Black | Silver | Black |
| Fit Type | Circumaural | Over-Ear | Over-Ear | Over-Ear | Over-Ear |
| Headphones Form Factor | Over Ear | Over Ear | Over Ear | Over Ear | Over Ear |
| Item Dimensions | 8 x 7 x 4.5 inches | — | 8 x 7 x 4.5 inches | 3.43 x 3.9 x 5.39 inches | — |
| Item Weight | 0.82 lbs | 0.82 lbs | 0.82 lbs | 0.77 lbs | 0.82 lbs |
| Special Features | lightweight | Tangle-free-cord, lightweight, open-back | lightweight | Long Hours of Comfortable Listening; Lifelike clarity, detail, extended bass and wide sound stage | high efficiency, planar magnetic |
From the manufacturer
Newest Iteration with 3.5mm connectors and steel reinforced yoke
Hifiman today is widely regarded as one of the leading designers and manufacturers of high performance headphones and portable audio devices. Renowned for its critically-acclaimed Planar-Magnetic headphones that feature state-of-the-art driver technology.
- Impedance: 35 Ohm
- Sensitivity: 93dB
- Weight: 370g
- Frequency Response: 20Hz-35KHz
- Cable: 1.5m removable 3.5mm connectors
- Accessories: Display Box, 1/4" Adapter
- Type: Open-Back
Hifiman HE400i Planar Magnetic Open-Back Headphones
The HIFIMAN HE-400i is a high quality, full-size planar magnetic headphone designed for critical listening in the home or studio. At little more than twelve ounces, HE-400i is 30% lighter allowing the listener to comfortably enjoy music for hours on end. In addition, a newly-designed headband and beveled hybrid ear pads provide added comfort and improved sound quality. Its increased efficiency of 93dB allows it to be driven with a modest size amplifier or portable audio player.
- Easy-to-Drive Full-Size Planar Magnetic Headphones created for critical listening at home or in studio listening.
- Improvements in the new generation result in 30% weight reduction and increased sensitivity.
- Planar Magnetic offer extremely low distortion and high signal input as well as excellent transient response.
- Cable and Connections: Dual 3.5mm connections with 1.5m removable cable
- 2018 Product updates: Steel reinforced Headphone Yoke for additional rigidity and support.
The new generation headphone results in additional weight saving and improved sensitivity.
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Planar Magnetic HeadphonesCreated by the innovator of the planar magnetic technology, the Hifiman HE-400i is a high quality, full-size planar magnetic headphone created for critical listening at home or in the studio. The new generation headphone results in additional weight saving and improved sensitivity. |
Striking Contemporary Design
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High Quality Sound
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Using single-ended drivers, the HE400i delivers a lively sound stage and spatial imaging.
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Lively - AgileUsing single-ended drivers, the HE400i delivers a lively sound stage and spatial imaging. Increased efficiency of 93dB allows the HE400i to be driven with a modest size amplifier, portable audio player, or computer. The HE-400i also sounds great on tablets and smartphones but will not offer full volume on portable devices without a portable amplifier. |
Headphone Specifications:
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HE-400i Product Updates (2018)The Hifiman HE-400i has been revised in its most recent iteration with the following changes: 2017-2018: Switched from screw on 2.5mm connectors to 3.5mm plug-in connectors. 2018-2019: Reinforced yoke: Steel reinforcement molded inside the yoke results in additional rigidity while maintaining the same great look. |
A premium cable is included comprised of Crystalline metal with Oxygen-free copper and silver.
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Crystalline Metal 3.5mm CableA premium cable is included comprised of Crystalline metal with Oxygen-free copper and silver.
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Newly-designed HeadbandUpdated and newly-designed headband features improved pressure pattern. Perfect for those long listening sessions. Made of Leatherette and perforated for enhanced comfort. |
Velour / Leatherette EarcupsAt little more than twelve ounces, HE-400i is 30% lighter than comparable planar magnetic headphones allowing the listener to comfortably enjoy music for hours on end. In addition, a newly-designed headband and beveled hybrid ear pads provide added comfort as well as improved sound quality. |
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| Drop + HIFIMAN HE-35X | Drop + HIFIMAN HE4XX | HIFIMAN HE-400i | Massdrop x HIFIMAN Edition XX | |
| Driver / Design: | Planar Magnetic / Open-back | Planar Magnetic / Open-back | Planar Magnetic / Open-back | Planar Magnetic / Open-back |
| Audio Profile: | The HE-35X improves upon the HE-350's frequency response, and balances the treble for a smoother overall sound. | The sound is smooth, engaging, and even across the frequency range, with airy, sparkly highs and the Planar bass slam that HIFIMAN is known for. | The sound is smooth, engaging, and even across the frequency range, with airy, sparkly highs and the Planar bass slam that HIFIMAN is known for. | The sound is airy and spacious, with a transporting level of detail. |
| Impedance / Sensitivity: | 19 ohms / 98 dB | 35 ohms / 93 dB | 35 ohms / 93 dB | 20 ohms / 93 dB |
| Frequency Response: | 20 Hz - 20 kHz | 20 Hz - 35 kHz | 20 Hz - 35 kHz | 8 Hz - 50 kHz |
| Cable: | 4.9 ft (1.5 m), removable | 4.9 ft (1.5 m), removable | 4.9 ft (1.5 m), removable | 5.5 ft (1.7 m), removable |
| Plug: | ⅛ in (3.5 mm) with ⅛ in (3.5 mm) to ¼ in (6.35 mm) adapter included | ⅛ in (3.5 mm) with ⅛ in (3.5 mm) to ¼ in (6.35 mm) adapter included | ⅛ in (3.5 mm) with ⅛ in (3.5 mm) to ¼ in (6.35 mm) adapter included | ⅛ in (3.5 mm) |
| Weight: | 13.6 oz (385 g) | 13.1 oz (370 g) | 13.1 oz (370 g) | 14.8 oz (420 g) |
| Included: | ⅛ in (3.5 mm) to ¼ in (6.35 mm) adapter | ⅛ in (3.5 mm) to ¼ in (6.35 mm) adapter | ⅛ in (3.5 mm) to ¼ in (6.35 mm) adapter | ⅛ in (3.5 mm) to ¼ in (6.35 mm) adapter |
| Ideal Use: | Ideally paired with a portable or desktop amp, they sound great directly from your smartphone, laptop, or desktop computer. | Ideally paired with a portable or desktop amp, they sound great directly from your smartphone, laptop, or desktop computer. | Ideally paired with a portable or desktop amp, they sound great directly from your smartphone, laptop, or desktop computer. | With a uniquely low impedance of 20 ohms, the Edition XX is easy to drive from your laptop or portable music player. |
Customer reviews
Zero stars construction and customer service
Reviewed in the United States on June 29, 2017
I purchased these headphones in December of 2015 for $300. I loved them at first, but then, due to poor design (look at the photo of the cable they provide on the store page, the material wore away and then suffered connectivity problems; the sound would repeatedly disconnect and reconnect), the cable's plug failed at the headphone connection in January 2017 (1 year 1 month). The product was sold with a one year warranty, and I was denied assistance. Customer service told me to purchase the replacement cable from their site, which sells for $149. I decided to buy 3rd party plug components from Amazon, and for about $15 I soldered new plugs onto the existing cable. Now, in June 2017 the material is falling off of the earpieces, and the cushioning is disconnecting from the frame. I want to conclude by saying I've taken very good care of these headphones (I used a headphone stand, and I am gentle with them), and I think that this level of quality is astonishing for the price. I would give this product 5 stars for the sound, but the actual quality of the construction and the customer service is zero stars.
Reviewed in the United States on June 29, 2017
Images in this review
Top reviews from the United States
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Reviewed in the United States on June 24, 2017
Of these headphones, I have to say, the He400i stands out! First off, they are not that heavier, the headband rests very comfortably over the head preventing any kind of strain, the ear pads are by far the most comfortable in this group, and the sound quality is amaaaaazing!! The biggest revelation I had while listening to many of my favorite songs was that how much detailed the the songs actually were. It almost felt like I was listening to a different version of the songs! That is the level of detail that these headphones brings out. I also like the sound stage it provides as it immerses you in the music thoroughly.
I do active and passive listening to the songs .. with passive listening when I am doing some chores around the house. Even when doing passive listening, the music flowing through these headphones frequently grabbed my attention and made me stop what I was doing, close my eyes and just listen till the remainder of the song. It is just that good.
If anyone is still contemplating buying these phones, all I have to say is, do yourself a favor and just go for it. The fully covering (Circumaural) ear pads alone is reason enough to get this. This, combined with how comfortable and fatigue less these are over long sessions, combined with the amazing sound quality these provide makes it a real winner in my eyes (or should I say ears? ).
One thing to note is that.. as far as planars are concerned, these headphones are very easy to drive. I was able to get a good quality output from the headphone even without an Amp or a DAC attached. However, you do need a good amp to bring the best out of these headphones. A Modi 2/ Magni 2 combo is an excellent option.. If you are on a budget, just get an amp like the Fiio A3 (which is really awesome for the price btw).
I am just happy that I did go for these headphones and am looking forward to hours and hours of listening and re-discovering all the beautiful songs that I have loved for so many years!
Color: GrayVerified Purchase
Without a doubt the best planars around at current price!
Reviewed in the United States on June 24, 2017
I am no expert at looking at the sound graphs (frequency response graphs) and say this headphone is good for this, that headphone is good for that etc. I am more of an avg Joe who over the years have upgraded from some headphones whose name I don't even recall anymore to a SennheiserHD 202, then an Audio-Technica ATHM50X, then a Sennheiser Momentum 2.0 (wired) to a Bose QC35 to a Fostex T50RP MKII to the HiFiMan HE400i. I am pretty careful with my headphones though and still owns all of these ( HD202 is probably 10 years old or more).Reviewed in the United States on June 24, 2017
Of these headphones, I have to say, the He400i stands out! First off, they are not that heavier, the headband rests very comfortably over the head preventing any kind of strain, the ear pads are by far the most comfortable in this group, and the sound quality is amaaaaazing!! The biggest revelation I had while listening to many of my favorite songs was that how much detailed the the songs actually were. It almost felt like I was listening to a different version of the songs! That is the level of detail that these headphones brings out. I also like the sound stage it provides as it immerses you in the music thoroughly.
I do active and passive listening to the songs .. with passive listening when I am doing some chores around the house. Even when doing passive listening, the music flowing through these headphones frequently grabbed my attention and made me stop what I was doing, close my eyes and just listen till the remainder of the song. It is just that good.
If anyone is still contemplating buying these phones, all I have to say is, do yourself a favor and just go for it. The fully covering (Circumaural) ear pads alone is reason enough to get this. This, combined with how comfortable and fatigue less these are over long sessions, combined with the amazing sound quality these provide makes it a real winner in my eyes (or should I say ears? ).
One thing to note is that.. as far as planars are concerned, these headphones are very easy to drive. I was able to get a good quality output from the headphone even without an Amp or a DAC attached. However, you do need a good amp to bring the best out of these headphones. A Modi 2/ Magni 2 combo is an excellent option.. If you are on a budget, just get an amp like the Fiio A3 (which is really awesome for the price btw).
I am just happy that I did go for these headphones and am looking forward to hours and hours of listening and re-discovering all the beautiful songs that I have loved for so many years!
Images in this review
Top reviews from other countries
M. Milewski
Brilliant headphones
Reviewed in the United Kingdom on December 20, 2019Color: GrayVerified Purchase
Bartholomew
They are quite good. Sound is nice
Reviewed in the United Kingdom on August 28, 2017Color: GrayVerified Purchase
Bogdan Radu
Excellent headphones, absolutely recommended !
Reviewed in Canada on January 5, 2017Color: GrayVerified Purchase
Ari Kline
Great sound with terrible quality propriety wiring
Reviewed in Canada on September 6, 2018Color: GrayVerified Purchase
Patrick James Morley
Outstanding clarity and detail
Reviewed in Canada on February 5, 2022Color: GrayVerified Purchase
