Originally Posted by THE TECH
So I checked with the iPod. Seems that I can go louder with the sub at the same setting. With the iPod turned all the way up and the amp at the 9 o'clock position, it does seem louder than before.
my guess would be one of the 4 wires going from the harness into the plug that fits into the LC2i is loose.
that means you are only getting one channel worth of input
double check the 4 wires going into the plug