HIFIMAN HE400i Single-Ended Planar Magnetic Headphones
Model: HE-400I
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Packaging Info
Package Weight | 4.4 lb |
Box Dimensions (LxWxH) | 12.4 x 10.4 x 7.0" |
General Information
Impedance | 35 ohms |
Cable Length | 4.9' (1.5 m) |
Frequency Response | 20 Hz to 35 KHz |
Weight | 13.1 oz (370 g) |
Plug | 3.5 mm / 6.35 mm |
Sensitivity | 93 dB |
The HE-400i is hard not to like. It is an incredibly good all-around headphone with the unique bass performance we have come to love planar magnetics for. The HE-400i isn't overly bright, which I find to be a gift for especially longer listening sessions; there is simply no fatigue here.
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Amazing texture representation throughout, Insanely detailed midrange, Bass is well-tuned, Not bloated but prominent bass, Great highs, Good linearity throughout, Good cable
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Still somewhat pricey!
If you've always wanted to own a pair of high-end "audiophile" headphones but can't quite justify dropping a grand on a pair, the superb sounding HiFiMan HE-400i is a good compromise.
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The HiFiMan HE-400i is a large, full-size headphone that uses planar-magnetic drivers for exceptional sound quality highlighted by first-rate clarity, detail and well-defined bass. The headphone is also lighter and more comfortable than its predecessor.
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Headphone cord may be too short for some people; fairly pricey; open-back design leaks sound.
The non-fatiguing sound of the HiFiMan HE-400i will have you falling in love with your music all over again.
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Very musical, Great resolution, Tank build quality
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Needs more than an iPhone to drive good volume
I've been trying to write a review of these headphones since September 13th, but I've been completely stuck. Simply put, I'm almost embarrassed by how much I love these headphones, and I find myself unable to write what I consider a critical assessment.
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price, performance, weight, sensitivity, sound quality
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Vocals slightly thick, the cable is short and stiff.
The HE-400i is my first set of planar magnetic headphones. Compared to similarly priced dynamic headphones, these sound fuller and larger, yet not quite as alive and detailed. The highs are silky and never harsh.
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rich & full sound, comfortable
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needs an amplifier for best results
- Circumaural Open-Back Design
- Single-Sided Planar Magnetic Drivers
- Frequency Response: 20 Hz - 35 kHz
- Impedance: 35 ohms
- Detachable Cable
Average Expert Score
Average User Score
- HIFIMAN HE400i Single-Ended Planar Magnetic Headphones
- 1/4" Adapter
- Leatherette Presentation Case
- Limited 1-Year Warranty