He400se

Comparisons

HiFiMAN HE400SE vs Sundara (2026): Is the Upgrade Worth It?

The Sundara is the refined one, but on paper it is not the harder planar to drive. The specs, owner consensus and …

Mar 30, 2026

Pairing Guides

The HE400SE is 25Ω but current-hungry. The power math, why dongles clip, and which current amps drive it, from a pocket …

Mar 17, 2026

Headphones headphone

4.4/5

The HE400SE is the cheapest serious planar, but its 91 dB sensitivity changes the maths. Here's what it needs from an …

Mar 17, 2026