Hi,   I would have a problem with a Swing 2 radio in Fabia III, that I built in the rear speakers and did not sound like a front in the back. You can activate the 6 speakers in the VCDS, so there is no tweeter in the back, but I've also built it up so it's got 8 loudspeakers. The rear cables have a different sound, much more high, and much less bass. At first I thought it was a loudspeaker problem, but when I hooked the rear cables forward, there was no bass and there were a lot of hig