A:AnswerWith the remote yes you can. In extended settings you can turn each input level up or down. Not sure with the app, didnt have product long enough to put the app on my phone.
A:AnswerI use the Denon Receiver to the four speakers in my family room to get surround sound. I drilled two holes in the back wall behind each speaker to run speaker wires to my deck speakers and porch speakers. This allows me to show movies in doors and outdoors.