I just installed avic110 in 2010 GTI and everythings seems to work fine. However, my teenage son hears a very low pitched hiss/hum coming from all speakers. It is more noticable at higher volumes when no sound or pause in music. To test it I put the CD on pause and turned volume up and could really hear it. This is what I have:
1)connect2 with VW wireing harness
2)avic110 connected to OEM Dynaudeo speakers with OEM amp connected through harness(crimped connecters, I should have solder and heat wrapped)
3)connect2 antenna adaptor with blue wire connected to unit
4)Ok I thought this w