The photos on the product page show the following:
I also confirmed this with my V3 QS8s.
So you have the bracket with the built in audio connections (which I am using with my two V3 QS8s) but you can also use the binding posts just like before (which I do for my two V2 QS8s).
Despite the difference connections, I have no issues with one over the other. The bracket is snug enough that it makes a solid connection.
2-M60s, VP180, VP150, 4-QS8s, 4-M3s, SVS 20-39PCi, DIY Sub, 8-Shakers, JVC RS45