4 sound systems put together to make a 70k turbosound soundsystem (an watt/northern sounds/exposure/audio barn) this is the link to the event page on facebook, have a look and see if it floats your boat.
http://www.facebook.com/?ref=home#!/event.php?eid=133631303346278&ref=mf
nice one
http://www.facebook.com/?ref=home#!/event.php?eid=133631303346278&ref=mf
nice one