> 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/fostex/fostex-t40rp-mkii-modified.md).

# T40RP mkII - Modified

See the mod here - <https://www.head-fi.org/threads/fostex-t50rp-incremental-mods-and-measurements.618659/post-16356751>

Updated mod - <https://www.head-fi.org/threads/fostex-t50rp-incremental-mods-and-measurements.618659/post-16376166>

<figure><img src="/files/PUgfOgRln72SfgBJ71g2" alt=""><figcaption></figcaption></figure>

![](/files/jbZbPRqpCiIaN7tyDBWF)