> 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/flathead-earbuds/earbud-graphs-with-modified-minidsp-ears/sony-mdr-e557.md).

# Sony MDR-E557

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