> 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/yamaha/yamaha-rh-40m-modified.md).

# RH-40M - Modified

<figure><img src="/files/PpyO0teEUVK2UT4khoya" alt=""><figcaption></figcaption></figure>

![](/files/-M4P2UyeqXxHABkF-cJO)