Megaphone

<svg
    xmlns="http://www.w3.org/2000/svg"
    width="512"
    height="512"
    viewBox="0 0 850 850"
>
    <g fill-rule="evenodd">
        <circle cx="425" cy="425" r="425" />
        <path
            fill="#fff"
            d="M219 484h-29c-11 0-21-9-21-21v-81c0-12 10-21 21-21h29c4 0 7 3 7 7v109c0 4-3 7-7 7zm-29-109c-4 0-6 3-6 7v81c0 3 2 7 6 7h21v-95zM634 650c-2 0-4 0-5-2-72-65-154-110-246-133-4-1-6-4-6-7V337c0-3 2-6 6-7 92-23 174-68 246-134 2-2 5-2 7-1 3 1 5 4 5 7v441c0 3-2 5-5 7zM392 503c87 22 165 64 234 124V218c-69 61-147 102-234 125z"
        />
        <path
            fill="#fff"
            d="M594 567c-2 0-3-1-5-2-51-35-107-62-167-81-3-1-5-3-5-7V368c0-4 2-6 5-7 60-19 116-46 168-81 2-2 5-2 7-1 3 1 4 4 4 7v274c0 3-2 5-4 7h-3zm-163-95c55 17 107 42 155 74V299c-48 32-100 57-155 74zM384 516H230c-10 0-19-9-19-19V348c0-10 9-18 19-18h154c4 0 8 3 8 7v171c0 4-4 8-8 8zM230 344c-2 0-4 2-4 4v149c0 2 2 4 4 4h147V344z"
        />
        <path
            fill="#fff"
            d="M344 476h-86c-4 0-7-4-7-8v-91c0-5 3-8 7-8h86c4 0 8 3 8 8v91c-1 4-4 8-8 8zm-78-15h71v-77h-71zM318 669c-2 0-4 0-5-2-2-1-3-4-2-6 0-1 14-93-40-148-2-2-2-5-1-7 1-3 3-5 6-5h73c4 0 6 2 7 6 0 1 14 83 48 121 2 1 2 4 2 6-1 3-3 4-5 5l-81 30h-2zm-25-153c36 47 35 109 33 135l61-22c-27-36-40-94-44-113zM667 664h-26c-8 0-15-7-15-14V195c0-7 7-14 15-14h26c8 0 14 7 14 14v455c0 8-6 14-14 14zm-26-469v455h25V195z"
        />
    </g>
</svg>