Lios is committed to eliminating noise pollution by developing advanced materials that significantly reduce harmful noise exposure, enhancing quality of life. We develop advanced materials that minimise exposure to loud noise and technologies that alleviate damage after it occurs. Our flagship product, SoundBounce, is a sustainable acoustic material used in industries like automotive, aerospace, construction, and power generation. We also offer SoundRelief, a clinically proven tinnitus therapy used in over 60 countries.Founded in 2009 by Rhona Togher and Eimear O’Carroll, Lios (formerly Restored Hearing) is based in Dublin, Ireland. For over a decade, we have driven innovation and delivered practical solutions to real-world acoustic challenges.Our vision is a world where noise pollution is a thing of the past, where every environment—from homes to cities—is quieter, healthier, and more sustainable. We strive to lead the way in creating innovative acoustic solutions that not only reduce noise but also contribute to a greener future.