This is what I want to do,Connect my Sony DA555ES to a Halo p3 by useing the L/R pre outs of the sony to the AUX input of the p3,,then connect the p3 to my Odyssey Stratos,,I would leave them both turned on for movies,,then shut the Sony down when listening to music,,only problem is my sub Paridigm Servo 15 is line level only and the p3 has no Sub out,,,How can I get my Sub to activate when listening threw the p3 only???