> 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/stax/sr-009.md).

# SR-009

Forced bass seal (red) vs. Normal seating (dark yellow)

A forced bass seal gives a more accurate representation of how the bass actually sounds

<figure><img src="https://31762434-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-M4NrSugToAwYkW0a8hV%2Fuploads%2FSzVFEOS3y3f65GDcNnjt%2FSTAX%20SR-009%20(right%20channel)%20Forced%20bass%20seal%20vs.%20Normal%20seating.jpg?alt=media&amp;token=0fcb79ad-35d9-4322-9d9d-753e36aa35af" alt=""><figcaption></figcaption></figure>