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HIFIMAN 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.

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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

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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.

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