Guys i am still getting no signal to the dd1 from the pdx-v9 amp..the amp works perfectly fine, i just can't seem to get a signal..i am running my highs off of channel 1 & 2, mids off 3 & 4, and sub off channel 5...i just don't understand why i cant get a signal...has anyone used a dd1 with the pdx amp, if u do please help, thank you.