There are earplugs that minimize certain frequencies, e. g. Flare Calmer [1]. They have a report with frequency response graphs [2]. No idea if this helps with

There are earplugs that minimize certain frequencies, e. g. Flare Calmer [1]. They have a report with frequency response graphs [2]. No idea if this helps with tinnitus at all. [1] https://www.flareaudio.com/en-eu/collections/calmer https://www.flareaudio.com/en-eu/collections/calmer [2] https://cdn.shopify.com/s/files/1/1721/0649/files/ISVR_Offical_Report_on_Calmer.pdf https://cdn.shopify.com/s/files/1/1721/0649/files/ISVR_Offic...