Not really. For instance, my current HU only puts out 2v, so I have to really crank up the gains (not all the way, but over half) at 40/62. I just ordered a 590IB though, so that should go away soon //content.invisioncic.com/y282845/emoticons/yumyum.gif.0556df42231b304b9c995aefd13928a8.gif