Recent content by chapstick

bump

I have a pioneer HU with 6 RCA outs- 4 for speakers, 2 for subs. Both amps are grounded to the same spot. What happens is when the subwoofer RCA's are plugged into the HU, I get engine whine through the speakers, even if the subs are disconnected from the amp. As soon as I unplug the sub RCA's...