and i do belive there was a 6.1 that was sold for 100 bones not to long ago on this forum. i know cause i bought the 4004(from the same guy) and was gonna get the 6.1 but needed this amp more //content.invisioncic.com/y282845/emoticons/wink.gif.608e3ea05f1a9f98611af0861652f8fb.gif