The headunit is not a RF. They only make the amp, which allows them to place a logo wherever.
Is the sound always there, only with the radio or cd's or is it more of engine whine? More details would be helpful, but not as helpful as new speakers would be

_________________________
My Xterra Pics I wish I would have a real tragic love affair and get so bummed out that I'd just quit my job and become a bum for a few years, because I was thinking about doing that anyway.