> 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/es-lab-es-2a.md).

# ES-Lab ES-2a

<figure><img src="https://31762434-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-M4NrSugToAwYkW0a8hV%2Fuploads%2FogBeVK43a7cCKiBIzdF5%2FES-Labs%20ES-2a%20(no%20seal).png?alt=media&amp;token=f97fcddf-81fa-44f4-ba83-effb61b18e3b" alt=""><figcaption></figcaption></figure>

<figure><img src="https://31762434-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-M4NrSugToAwYkW0a8hV%2Fuploads%2FuvEWyzslOGE7CGzM0ox7%2FES-Labs%20ES-2a%20(forced%20seal).png?alt=media&amp;token=65e1a3f2-c4b3-44e6-b239-7724fd21eb63" alt=""><figcaption></figcaption></figure>