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Looks like they are different speakers, even in the front. I'm just looking up what "model" means. One is the advanced, and one is the premium, obviously.
After clicking through every part, it appears that each component that I thought was the same (say for the front part of the car) between the two systems - well, I was wrong. The 8RF (Advanced sound system) components for every single portion is indeed different than the 9VS (Premium sound system). the price differential per part is astronomical. So, it appears B&O has defeated me. I could not tell a difference between the two sound systems in the front, but now knowing what I know, I'll be adding the Advanced 3D sound system\ to my order.