what are the pro's and con's of using these amps? I hear from different forum that some are having problem with them going into protection mode. why is this? would i have 2 expect this from the lanzar d2000m, d3000m, or the 1200d?//content.invisioncic.com/y282845/emoticons/confused.gif.e820e0216602db4765798ac39d28caa9.gif//content.invisioncic.com/y282845/emoticons/furious.gif.fc81ca146dbff91fede3ed290dbc4f4c.gif