Here at HeadphoneDatabase.com we collect measurements of headphones, and share them with the community. The community measurements are freely available from the community graphers!
You can also look at the database of headphones that we have in the Database section.
If you want to help out, you can add your own measurements. A good place to start is visiting the wiki for information on how to do this.
Our goal is to collect as much information about headphones as possible, to be the one-stop-shop for all informations on headphones.
Work on the site will continue, with more features coming as soon as I can give them to you, so make sure to check back regularly.
If you have any questions, suggestions, feedback, bugs, you can contact me on Discord, my ID is Suuup#8690.