> 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/hd224x/hd224x-+-diy-foam.md).

# HD224X + DIY foam

Surprisingly competent vintage.\
Blows the Telefunkens of the same era completely out of the water.

<figure><img src="/files/Q7zQW12tYl9B1Xqu91gb" alt=""><figcaption></figcaption></figure>