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HIFIMAN HE400se · Photo source
HE400se
The HE400se are HIFIMAN's entry-level open-back planar magnetic headphones; the global version sold outside China has Stealth Magnets, and they suit first-time planar buyers listening at home.
- Type
- Over-ear
- Noise cancelling
- No
- Battery
- –
- With case
- –
- Best codec
- Wired
- Weight
- 385 g
What reviewers say
Reviewers agree the HE400se is one of the best bargains in audiophile headphones, close to accurate out of the box and comfortable. SoundStage! Solo found it competitive with headphones costing several times more but best with an amplifier; Audio Science Review suggests a little bass boost and less lower treble to make it excellent.
From soundstagesolo.com and audiosciencereview.com
Specifications
Report a wrong or missing specSound
- Type
- Over-ear
- Noise cancelling
- No
- Back
- Open
- Impedance
- 32 ohms
- Bluetooth codecs
- None (wired)
- Drivers
- Planar magnetic, single-ended, with Stealth Magnets (global version); 20 Hz – 20 kHz; sensitivity 91 dB. HIFIMAN's other HE400se user guide, not marked as the Stealth Magnet version, lists 25 ohms and 390 g
Battery
- Listening time (maker's claim)
- No battery (wired)
Design
- Weight
- 385 g
- Headphone cable
- Yes
- Fit and ear tips
- Over-ear, open-back; adjustable lightweight headband with sliding blocks; bevelled hybrid ear pads of varying thickness
- Works with
- Detachable dual-sided 1.5 m cable with 3.5 mm plug and 3.5 mm connectors at each cup; 6.35 mm adapter
- In the box
- Headphones, 1.5 m cable (3.5 mm plug), ear pads (fitted), 6.35 mm headphone adapter
Pros and cons
Pros
- Planar magnetic driver with Stealth Magnets at an entry-level price
- 32-ohm impedance and 91 dB sensitivity can be driven from a phone or portable player
- Detachable 1.5 m cable with 3.5 mm connectors and a 6.35 mm adapter
Cons
- Narrower published frequency response (20 Hz – 20 kHz) than HIFIMAN's dearer models
- Open back leaks sound and lets outside noise in
Closest rivals
Model | Type | Noise cancelling | Battery | With case | Best codec | Weight | Released |
|---|---|---|---|---|---|---|---|
| Over-ear | No | – | – | Wired | 420 g | Sept 2021 | |
| Over-ear | No | – | – | Wired | 350 g | Oct 2021 | |
| Over-ear | No | – | – | Wired | 345 g | Oct 2021 |
Sources
- hifiman.com/products/detail/310
- hifiman.com/attachments/file/20250211/20250211035004_73539.pdf
- hifiman.com/attachments/file/20250219/20250219095709_76080.pdf
- uk.hifiman.com/products/he400se
- gadgetexplained.com/2021/05/hifiman-he400se-2021-stealth-version.html
- headphoneer.com/hifiman-he400se-review
Photo: cdn.shopify.com
- HE400se, side view: HiFiMAN official product gallery
- HE400se, ear pad close-up: uk.hifiman.com/cdn/shop/files/5_6_2b1b9261-cb4f-4509-a078-3acbdbecfbd0.jpg
