Skip to product information
HIFIMAN HE400se Open-Back Planar Headphone with silver metal frame and black padded ear cups on white background
  • HIFIMAN HE400se Open-Back Planar Headphone with silver metal frame and black padded ear cups on white background
  • HIFIMAN HE400se Open-Back Planar Headphone with black ear cups and padded headband shown on white background
  • Top view of HIFIMAN HE400se Open-Back Planar Headphone showing black ear cup and padded headband detail
  • HIFIMAN HE400se Open-Back Planar Headphone with silver frame and padded black ear cups on white background
HIFIMAN HE400se Open-Back Planar Headphone

HIFIMAN HE400se Open-Back Planar Headphone

Join Waitlist

HE400se is a classic favorite rite with a modern twist! With a sensitivity of 91dB be sure to pair it with one of our high-performance amplifiers like the HeadAmp GS-X mini or Gilmore Lite MK2 to hear this headphones at it’s best!

Out of stock
USA flag badge

Ships in USA

Return or Exchange box badge

30 Day Returns

Fast shipping badge

Free 1 or 2 Day

Trust shield badge

Authorized Retailer

“The HE400 series has been an award winning audio industry favorite for over 10 years!”

Our Take

Hifiman’s HE400se is a global exclusive not available in main-land China. It uses an exclusive Stealth Magnet Design alongside a special silver copper cable! Both of these features are exclusive and unique to this global model!

Acoustically Invisible

Hifiman’s brand new Stealth Magnet reduces wave diffraction turbulence and lowers distortion to barely audible levels. The unique shape of the magnets enable sound to pass through them without generating interference. Thus making this advanced magnet structure acoustically invisible which yields a pure accurate full-range sonic output.

Maximum Comfort for Hours of Pleasurable Listening

HE400se features an all new adjustable lightweight headband design. It keeps cool and comfortable even in warm weather. The drivers are now protected by a newly designed casing for enhanced durability.

Durable Connectors

HE400se features a dual sided high-performance dual 3.5mm headphone side detachable cable and comes with a 6.3mm adapter for maximum device compatibility!

What's Included

• HIFIMAN HE400se headphone

• Headphone Cable Terminated to 3.5mm with 1/4" adapter

• HIFIMAN HE400se product booklet

Specs

• Weight: 390g

• Sensitivity: 91dB

• Impedance: 25 ohms

• Frequency Response: 20Hz - 20kHz

A pair of HIFIMAN HE400se Open-Back Planar Headphones rests beside a cylindrical container with a black and white geometric pattern, set against a softly blurred background glowing with circular lights.

HIFIMAN HE400se User Manual

A close-up of a single HIFIMAN HE400se Open-Back Planar Headphone shows the black over-ear design with Stealth Magnet Design, metal mesh earcup, and leather headband, labeled HE400se by HIFIMAN against a dark background.

We Also Recommend