Can a MacBook Pro run one Thunderbolt Display or two? How about a MacBook Air? A Mac mini? An iMac? The answers vary per model, as Macworld’s James Galbraith explains in this review of Apple’s new Thunderbolt Display. follow link
View Extra Audio Details in Snow Leopard
In Snow Leopard, Option-clicking the Volume icon in the menu bar displays a list of sound input and output devices. Choose one to switch to it; it's much easier than using the Sound preference pane. Also, hold Shift and click the icon to set the system volume, which is separate from the general output volume.
Thunderbolt Display Connection Possibilities
I can find no indication anywhere that there are multiple Thunderbolt Display models out there.
Perhaps it was mis-boxed?