HiFiMAN HE400SE Review (2026): Budget Planar King?
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
Budget-Planar
The HE400SE is the cheapest serious planar, but its 91 dB sensitivity changes the maths. Here's what it needs from an …