> 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/grado/untitled-47.md).

# SR80 - Modified

Heavily Modified - 2 Driver Vents Opened, DIY double-layer foam pads. Original SR80 before 'i' and 'e' versions.

<figure><img src="https://31762434-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-M4NrSugToAwYkW0a8hV%2Fuploads%2FXEgvIPdKkcN9CNbdIBlO%2FGrado%20SR80%20-%20Modified.jpg?alt=media&amp;token=66a49943-df88-40a5-b759-a5e59071e697" alt=""><figcaption></figcaption></figure>