USB Camera Kit is an attachment to the iPad and adds a USB Type A port and makes the iPad a USB host.
Using a regular A to B cable, you can connect that USB port to a USB DAC. This works as long as the DAC is USB Audio Class 1.0 compliant (up to 24/96)
Using a regular A to B cable, you can connect that USB port to a USB DAC. This works as long as the DAC is USB Audio Class 1.0 compliant (up to 24/96)