> For the complete documentation index, see [llms.txt](https://itsgreq.gitbook.io/headphone-measurements/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://itsgreq.gitbook.io/headphone-measurements/hifiman/untitled-44.md).

# HE-400

Stock HE-400 is actually a really horrible headphone. Ghastly tuning.

1kHz bump?\
Scooped out upper mids?\
High shelf at 6kHz?\
... it's gross

<figure><img src="https://31762434-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-M4NrSugToAwYkW0a8hV%2Fuploads%2F0l6J9si1P7Ro3F1J9oY5%2FHifiman%20HE-400.jpg?alt=media&amp;token=2b25bda3-27f4-419a-8f00-4eb54370e7f3" alt=""><figcaption></figcaption></figure>