How does the Audi A8's Quattro technology work?

I've heard that the Audi A8 has Quattro all-wheel drive, but I'm not sure exactly how it functions. Can someone explain the mechanics of Quattro in the A8?

The Quattro system in the Audi A8 uses a center differential to send power to the front and rear wheels, while also actively adjusting power distribution to each individual wheel. This allows for optimal traction and handling in various driving conditions.

One of the key benefits of Quattro in the Audi A8 is its ability to constantly adapt and adjust to changing road conditions. It can send up to 70% of power to the front wheels or up to 85% to the rear wheels for improved stability and control.

Many Quattro systems in other cars are reactive, meaning they only engage when wheels slip. But in the Audi A8, the Quattro system is proactive, constantly monitoring and distributing power for improved performance and safety.