Originally Posted by kunrast
Why is that. Can't you turn off that zone with the volume selector on the wall?
Yes, you can. Repeat that eight times.
Unless you get into the habit of turning "off" each zone (by turning the volume down to zero) when you're done using the system (as opposed to just turning the source off), those zones will come on the next time you turn the system on.
For one or two zones this isn't a big deal, since it's fairly predictable which rooms will get used. But as you cross into larger systems, this will become a PITA... Especially with multiple family members. A bedroom left on can be a rude late-nigh / early-morning wakeup call, for example.
With a whole house audio system, you turn on/off each zone as you use it (or use a wireless device to control any room), so you never have to visit any zone that's not "in use" to listen to another zone (without music playing where you don't want it).
All that gets back to my point about usability. You may go through all that for a party, but not for a few minutes of casual listening. So the system will tend to get used only for special occasions. My experience...