mkdocs-material/material/.icons/fontawesome/solid/volume-low.svg

<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><!--! Font Awesome Free 6.4.0 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2023 Fonticons, Inc.--><path d="M301.1 34.8C312.6 40 320 51.4 320 64v384c0 12.6-7.4 24-18.9 29.2s-25 3.1-34.4-5.3L131.8 352H64c-35.3 0-64-28.7-64-64v-64c0-35.3 28.7-64 64-64h67.8L266.7 40.1c9.4-8.4 22.9-10.4 34.4-5.3zm111.5 146.7c21.5 17.6 35.4 44.4 35.4 74.5s-13.9 56.9-35.4 74.5c-10.3 8.4-25.4 6.8-33.8-3.5s-6.8-25.4 3.5-33.8C393.1 284.4 400 271 400 256s-6.9-28.4-17.7-37.3c-10.3-8.4-11.8-23.5-3.5-33.8s23.5-11.8 33.8-3.5z"/></svg>