У вашего броузера проблема в совместимости с HTML5
Apparently this particular combination is Billy Gibbons' favourite, they certainly compliment each other well. I have created this demo over a JamTrackCentral.com backing track that had no guitars and layered it with clean, crunch and high gain guitar parts so you can hear the speakers in isolation as well as combined panned left and right. http://www.eminence.com