Onkyo TX-NR6100 - 7.1 Channel System 

5.1ch
7.1ch
3.1.2ch
5.1. 2ch
3.1ch
22
Speaker Layout
7.1 Channel System
This is a 7.1 Channel System that consists of the basic 5.1 Channel System and added surround back speakers.
Basic system ( →p27)
Zone 2Zone 2
Main Room
7.1 ch + ZONE 2 ( →p27)