Originally Posted by kmarei
does it have to be triggered by the sub outputs?
or is the voltage on the fronts/center/rears too weak?
The issue is not that the voltage is weak, it is that it is below the threashold level and very intermittent.
I have not tried the other speakers outputs but they may work with a PAC TR-4.
-2015 F30 320i, Imperial/Oyster, 8AT: August 2014 ED
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-2008 E90 M3 Melbourne Red/Bamboo, 6MT: Gone
-2007 MK5 GTI United Grey/Grey, DSG: Gone
-2004 E46 M3 Carbon Black/Cinnamon, 6MT: Gone