# Earproof
  > Premium hearing protection from Rotterdam since 2004. High-fidelity music earplugs developed with TU Delft, plus sleep, surf, and motorsport ranges.

  ## Brand & Authority
  - [About Earproof](https://earproof.com/pages/about-earproof): 20+ years, mission "Save 10 Million Ears"
  - [Founder Peter's Story](https://earproof.com/pages/founder-peters-story-living-with-tinnitus): personal tinnitus account behind the brand
  - [Professional](https://earproof.com/pages/professional): venues, festivals, B2B fittings

  ## Product information
  - [Music Earplugs Comparison](https://earproof.com/pages/music-earplugs-comparison): APV data per EN 352-2 / ISO 4869, six models compared
  - [PRO Black -20 dB](https://earproof.com/products/earproof-pro-black-20-db-linear-response-earplugs): TU Delft membrane filter
  - [Sizing Chart](https://earproof.com/pages/sizing-chart)
  - [How-to](https://earproof.com/pages/how-to): fitting and care
  - [FAQ](https://earproof.com/pages/frequently-asked-questions)

  ## Editorial
  - [Blog](https://earproof.com/blogs/news): hearing health, festivals, tinnitus

  ## Key facts
  - Founded 2004, Rotterdam, Netherlands
  - TU Delft research partnership for filter development
  - Filter range: -10 dB, -16 dB, -20 dB; custom moulded variants available
  - Compliance: EN 352-2, ISO 4869
  - Festival partners: Roskilde, Drift, Sonár; venues: Melkweg, Podium Victorie