> 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/koss/hv-x.md).

# HV/X

<figure><img src="https://31762434-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-M4NrSugToAwYkW0a8hV%2Fuploads%2FLkdOxCKfiA13G5SJ4uY2%2FKoss%20HVX%20(new%20foam%20pads).png?alt=media&amp;token=cbb81e18-d6d3-40e6-8472-0b295ac3ab22" alt=""><figcaption></figcaption></figure>