Código
<iframe width="100%" height="65px" scrolling="no" frameborder="no" src="//pe.radiocut.fm/audiocut/embed/mini/segundosemestre-guillermo-nielsen-nielsenecon/" ></iframe>
<iframe width="100%" height="175px" scrolling="no" frameborder="no" src="//pe.radiocut.fm/audiocut/embed/hori/segundosemestre-guillermo-nielsen-nielsenecon/" ></iframe>
<iframe width="100%" height="320px" scrolling="no" frameborder="no" src="//pe.radiocut.fm/audiocut/embed/vert/segundosemestre-guillermo-nielsen-nielsenecon/" ></iframe>