Hey I'm having an issue! I have a Denon AVR-1912 with 7.1 surround Definitive speakers. Both the mid and backs are hooked up to a Rocketfish wireless transmitter. While I understand that not everything puts out in 7.1( or even 5.1 for that matter) I can't seem to get anything but my Xbox 360 to put out even stereo sound. I've checked all of the connections and calibrated the entire system. All inputs have been tested and work fine. My cable box used to work but now just displays video and no audio. I'm out of ideas.