It depends on what version of Protools you are using. And also on what it is running on, PC or MAC. Starting with v9 Protools is hardware independent. Which means and audio interface (I/O) should work just fine for listenning to tracks from protools. Depending on your computer it will support direct audio or core audio. make sure the interface supports ASIO as that is the standard and default way to go
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It depends on what version of Protools you are using. And also on what it is running on, PC or MAC. Starting with v9 Protools is hardware independent. Which means and audio interface (I/O) should work just fine for listenning to tracks from protools. Depending on your computer it will support direct audio or core audio. make sure the interface supports ASIO as that is the standard and default way to go