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HE400S Over-Ear Planar Magnetic Headphones

One of the highest efficiency planar headphones in the world! Hifiman's newest HE400S sounds terrific on your smartphone or most any portable audio device.

Read our full review of the HE400S 4


High Notes

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Planar Design

The lowest distortion design available in a headphone providing stellar speed and open sound.

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Lightweight and Comfortable

At only 350 grams, this is one of the lightest planar headphones on the market.

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Easy to Drive

With a relatively low impedance and high efficiency, you'll find it's easy to drive even with a phone.

  • One of the highest efficiency planar phones in the world! HIFIMAN’s newest HE400S sounds terrific on your smartphone or most any portable audio device.

  • Innovative headband and specially designed ear pads for remarkable comfort allowing you to enjoy your music for hours on end.

More Information
Availability Online, In-Store
Color Silver / Black
Operating Principle Open-Back
Impedance 22 Ohms
Sensitivity 98dB
Transducer Type Planar Magnetic
Amplifier Recommended No
Wired or Wireless Wired
Noise Control No
Volume Control On Cord No
Built-In Microphone No
Adjustable Headband Click
Detachable Cable Yes
Cable Length 58.8"
Tangle Free Cord No
Replaceable Earpads Yes
Travel Friendly No
Connection Either Side No
Inputs Supported 1/8" (3.5mm)
1/4" (6.35mm)
Amp Built In No
Driver Planar Magnetic
Ear Coupling Over-Ear
Frequency Response 20 - 35kHz
Works With Portables Yes
Accessories Headphone Cable (1.5 meter or 5 Feet; 3.5mm plug)
1/4" (6.35 mm) headphone adapter
Open/Closed Back Open-Back

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