"Planning a multi-room or outdoor audio system? Don't know where to start with whole-house audio? Crutchfield's system design service can help."
"First, we show you how to build a fairly simple 2- or 3-room audio system using one receiver. Want sound in more than three rooms? It can get complicated, so you may want to consult an experienced system designer. To give you an idea of what's involved, we'll look at a typical 3-zone, 5-room system."