kicker 1500.1 why. when. plug in my bass knob I lose 50%of my bass. .I unplug it and wow what a difference gain on the amp is bouts 1/4 way up...and also amp will clip out when bass knob is unhooked. .I'm lost never done this until I hooked up these new sundowns. ..0 guage wire 1800 kinetik battery 2 farad cap.. any ideas or help. ..