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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

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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
Impedance 22 Ohms
Sensitivity 98dB
Transducer Type Planar Magnetic
Wired or Wireless Wired
Adjustable Headband Click
Detachable Cable Yes
Cable Length 58.8"
Replaceable Earpads Yes
Inputs Supported 1/8" (3.5mm)
1/4" (6.35mm)
Driver Planar Magnetic
Ear Coupling Over-Ear
Frequency Response 20 - 35kHz
Works With Portables Yes
Included Accessories Headphone Cable (1.5 meter or 5 Feet; 3.5mm plug)
1/4" (6.35 mm) headphone adapter
Open/Closed Back Closed-Back

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