«Pro Tools HD I/O module:
The Pro Tools HD I/O Module provides eight channels of digital audio input and output for the ADA-8XR in a form compatible with Digidesign Pro Tools|HD workstations.
The Pro Tools HD I/O Module enables the ADA-8XR to replace a Digidesign 96 I/O or 192 I/O interface, providing superior audio performance and extra features.
To the Pro Tools|HD software, an ADA-8XR fitted with a Pro Tools HD I/O Module looks similar to a 192 I/O and operates in a similar way, supporting sample rates up to 192kHz. »