At first glance, the Audigy 4 Pro is identical to the Audigy 2 ZS Platinum Pro. It takes the form of a PCI board connected to an external hub, with the line outputs (three 3.5 mm jacks) on the PCI board and all the other connections on the hub. For more details, take a look at our article on the Audigy 2 ZS Platinum Pro - the design and the external hub are essentially identical. The table below sums up the device's capabilities and requirements.



Link: Tom's Hardware