HiFiMAN HE400SE – Planar Magnetic Open-Back Headphones
The HiFiMAN HE400SE is an entry-level planar magnetic headphone offering exceptional value for listeners seeking open, detailed sound without the premium price tag. Featuring HiFiMAN’s advanced Stealth Magnet design, the HE400SE delivers clear imaging, natural tonality, and a surprisingly expansive soundstage for its class.
Lightweight at around 390g, the HE400SE is built for comfort, with soft earpads and a sturdy yet flexible headband. The open-back architecture contributes to its wide, airy presentation, making it ideal for home listening and critical audio work.
HiFiMAN HE400SE
- Planar magnetic drivers with Stealth Magnet technology
- Open-back design for a spacious, natural soundstage
- Frequency response: 20Hz – 20kHz
- Impedance: 32 ohms
- Sensitivity: 91 dB
- Lightweight at approx. 390g
- Includes 3.5mm cable with 6.35mm adapter
The HE400SE delivers balanced, neutral sound with just enough warmth for an engaging listen. Ideal for both new audiophiles and seasoned headphone enthusiasts looking for superb performance at an accessible price.


