Speaker

<svg
    xmlns="http://www.w3.org/2000/svg"
    width="512"
    height="512"
    viewBox="0 0 512 512"
>
    <linearGradient
        id="a"
        x1="256"
        x2="256"
        y1="512"
        y2="0"
        gradientUnits="userSpaceOnUse"
    >
        <stop offset="0" stop-color="#5558ff" />
        <stop offset="1" stop-color="#00c0ff" />
    </linearGradient>
    <linearGradient
        id="b"
        x1="196.001"
        x2="196.001"
        y1="451"
        y2="61"
        gradientUnits="userSpaceOnUse"
    >
        <stop offset="0" stop-color="#addcff" />
        <stop offset=".503" stop-color="#eaf6ff" />
        <stop offset="1" stop-color="#eaf6ff" />
    </linearGradient>
    <path
        fill="url(#a)"
        d="M346 0H46c-8.284 0-15 6.716-15 15v482c0 8.284 6.716 15 15 15h300c8.284 0 15-6.716 15-15V15c0-8.284-6.715-15-15-15zm104.217 186.176c-5.857-5.858-15.355-5.857-21.213 0-5.858 5.858-5.858 15.355 0 21.213C443.188 221.574 451 240.397 451 260.394s-7.812 38.82-21.995 53.004c-5.858 5.858-5.858 15.355 0 21.213 5.857 5.857 15.355 5.857 21.213 0C470.068 314.76 481 288.403 481 260.394s-10.932-54.367-30.783-74.218zm-63.612 42.399c-5.857 5.858-5.856 15.355.002 21.213 2.833 2.833 4.393 6.599 4.393 10.606s-1.56 7.773-4.393 10.605c-5.858 5.857-5.859 15.354-.002 21.213s15.355 5.859 21.213.002c8.5-8.499 13.182-19.799 13.182-31.82s-4.682-23.322-13.182-31.821c-5.858-5.858-15.356-5.857-21.213.002z"
    />
    <path
        fill="url(#b)"
        d="M136 181c-8.284 0-15 6.716-15 15s6.716 15 15 15h120c8.284 0 15-6.716 15-15s-6.716-15-15-15zm120-30c24.813 0 45-20.187 45-45s-20.187-45-45-45-45 20.187-45 45 20.187 45 45 45zm24.063 132.15 11.397-11.397c5.858-5.858 5.858-15.355 0-21.213-5.857-5.857-15.355-5.858-21.213 0l-11.397 11.397C241.315 248.794 219.551 241 196 241s-45.314 7.794-62.849 20.938l-11.397-11.397c-5.856-5.857-15.354-5.858-21.213 0-5.858 5.858-5.858 15.355 0 21.213l11.397 11.397C98.795 300.686 91 322.449 91 346s7.794 45.314 20.938 62.85l-11.397 11.397c-5.858 5.858-5.858 15.355 0 21.213 5.857 5.857 15.355 5.858 21.213 0l11.397-11.397C150.686 443.206 172.45 451 196 451s45.314-7.794 62.849-20.938l11.397 11.397c5.857 5.858 15.354 5.858 21.213 0 5.858-5.858 5.858-15.355 0-21.213l-11.397-11.397C293.206 391.314 301 369.551 301 346s-7.794-45.314-20.937-62.85zM196 391c-24.813 0-45-20.187-45-45s20.187-45 45-45 45 20.187 45 45-20.186 45-45 45zm-60-240c24.813 0 45-20.187 45-45s-20.187-45-45-45-45 20.187-45 45 20.187 45 45 45z"
    />
</svg>