I've had my fair share of fun with the new system in my wife's minivan, and I noticed something about the DX700 I put in there. Have you double checked the SWR Xover module? I thought it was seated properly in the amp but it turns out it wasn't. On her's the connector wasn't going all the way in to the slot on the board, and even though I was told that moving it in or out with the power on would smoke the Xover
and the amp, they are both still working. I was getting intermittent bass and noise at the time, and after pushing the stupid connector all the way in and using a different source, the amp worked fine...
Another coincidence for you, I smoked the trace in the deck for the remote trigger starting up 3 amps as well....
Picked up the relay today, guess what I'm doing tomorrow morning?.....