A Crossfire Audio XP6004 amp is flush mounted in the trunk (my car is a roadster). When the top partition is closed, you would never know it's there.
I didn't buy the Crossfire audio stuff just because of the name, but it is pretty cool
I couldn't hold the camera in one hand and turn on the head unit with the other fast enough to get it all in before it began to scroll, but the head unit says 'Crossfire by Chrysler' when it turns on.