My AV receiver has one set of front speaker preamp outputs (RCA). Is it possible to split the left and right channels? I have 2 Hafler 9505 power amps that power a pair of Legacy Focus speakers. That I am trying to add to my existing system. If it is possible to split the left and right channel. Would I run the left RCA into one amp and the right RCA into the other? Where my hang up is. Do I Y them or do I run one RCA to each AMP? Any help would be appreciated. Thank you.