Check out the comparison of Denon and Yamaha Receivers in crutchfield
Filter with Multi-Room option if you want to see more models.
I would prefer Denon AVR-1913. But you can check higher models if you don't have budget constraints.
Go to the product details page in Crutchfield and see the heading "Multi-Room Audio"
line-level stereo audio output for 2nd room (separate amplification required for 2nd room speakers)
only analog audio sources can be played in the 2nd room
powered and line-level stereo audio output for 2nd room (using powered 2nd-room output allows 5.1 home theater in main room)
only analog sources can be played in the 2nd roomEdited by zeeoo7 - 1/9/13 at 10:56pm