Ear Labs Ab

Christian Dittrich

Casper Asmussen

Kasimir Hellström

Claes Lundin

Marco Mietta

Aleksandar Andreevski

Aleksandar Andrevski

Jason McIntosh

Dan Carlberg

Eric Langéen

Ear plug

An earplug () for selective attenuation of sound has a body with at least one sound path. An insert () is housed in the body (), which has at least one sound passage with an acoustic filter. The acoustic filter is configured to provide a specific frequency response and thus a determined attenuation of sound passing through the earplug. Means () is arranged at a top surface adapted to activate or deactivate the sound path. Each acoustic filter comprises an upper acoustic port (), at least one acoustic mesh () and/or acoustic membrane (), an acoustic chamber () and a lower acoustic port (). An insert () with an acoustic filter for selective attenuation of sound is provided for use in an earplug.

Earplug for selective attenuation of sound and an insert with an acoustic filter for use in an earplug

Ear plug for swimmers

Ear plug for water sports

Growing community of inventors

Löderup, Sweden

Christian Dittrich