an old icon theme once made for xfce, also keep in mind that it was based on a fixed color palette!
揚聲器
48px、drummyfish-awesome、icons、inkscape、multimedia、rodentia_icons、speaker、symbol、upload2openclipart
48像素、drummyfish，真棒、圖標、Inkscape中、多媒體、rodentia_icons、揚聲器、符號、upload2openclipart
資料來源：openclipart ( https://openclipart.org/ )