Experience true audiophile performance with the HIFIMAN HE400SE β one of the most popular entry-level planar magnetic headphones on the market. Available in the Standard Version (A) and Invisible Stealth Magnet Version (B / V2).
Planar magnetic drivers use a thin diaphragm with conductive layers across the entire surface, giving:
Ultra-low distortion
Fast, accurate sound
Wide, smooth frequency response
Clean bass & crystal-clear treble
Perfect for vocals, acoustic, jazz, pop, and detailed studio listening.
The Invisible Magnet Version uses HIFIMANβs flagship Acoustically Invisible Stealth Magnets.
These magnets:
Allow soundwaves to pass with minimal turbulence
Reduce distortion dramatically
Deliver a cleaner, more natural and detailed sound
This is the same technology used in higher-end HIFIMAN models.
Frequency Response: 20β20,000 Hz
Impedance: 25 Ξ©
Sensitivity: 91 dB
Easy to drive β works with portable high-res players, DACs and even some phones.
Newly designed casing protects the planar drivers
Durable dual-sided 3.5mm cable (6.35mm adapter included)
Long-lasting headband and reinforced structure
Lightweight adjustable headband
Soft, breathable ear cushions
Designed for long listening sessions without heat build-up
A β HE400SE Standard Version
B β HE400SE Stealth Magnet Version (V2)
Choose the version that best suits your listening preference.
Driver Type: Planar Magnetic
Frequency Response: 20β20,000 Hz
Impedance: 25 Ξ©
Sensitivity: 91 dB
Connection: Wired, 3.5mm (6.35mm adapter included)
Microphone: No
Founded in 2007, HIFIMAN is a global leader in high-performance headphones and portable audio. Known especially for their award-winning planar magnetic technology, they continue to set industry standards in sound quality and innovation.