Siren Rounded Bold Duotone icon

<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" width="24" height="24"><g fill="currentColor"><path d="M4 16v5.25h16V16a8 8 0 1 0-16 0Z" opacity=".5"/><path d="M12.75 2a.75.75 0 0 0-1.5 0v3a.75.75 0 0 0 1.5 0V2Zm8.78 3.47a.75.75 0 0 1 0 1.06l-1.5 1.5a.75.75 0 1 1-1.06-1.06l1.5-1.5a.75.75 0 0 1 1.06 0Zm-18 0a.75.75 0 0 0-1.06 1.06l1.5 1.5a.75.75 0 0 0 1.06-1.06l-1.5-1.5Zm11.042 5.335a.75.75 0 0 0-.563 1.39c.814.33 1.466.981 1.795 1.796a.75.75 0 1 0 1.39-.563a4.764 4.764 0 0 0-2.622-2.623ZM12.75 18.8a1.5 1.5 0 1 0-1.5 0v2.45h1.5V18.8ZM4 21.25H2a.75.75 0 0 0 0 1.5h20a.75.75 0 0 0 0-1.5H4Z"/></g></svg>