> 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/sennheiser/hd540-reference-+-late-version-velour-pads/hd540-+-early-production-pads.md).

# HD540 + Early Production Pads

<figure><img src="/files/3n5v3tFaTXtOOD9Ds0op" alt=""><figcaption></figcaption></figure>