Right Front 4. The six speakers connect to this piece of equipment. When a car speeds across the screen from left to right you first hear the car in the left front channel then on to the center channel and finally the right front channel as the taillights disappear on the right side of the television screen. This will connect neatly to the speakers using traditional speaker cable. It can be done but is not recommended.
Extreme care needs to be taken when purchasing the receiver.
You have to make certain it is powerful enough and that it has an extra set of speaker terminals. A second receiver is often not that much more expensive and is far simpler for the customer to operate. Speaker location is important but it is OK to make compromises. It is unlikely the homeowner will only use this room to watch movies. The room might also be a conversation area, napping area, and many times a dining area.