Up to 24-bit/192kHz audio. 2x2 balanced 1/4" TRS analog I/O. S/PDIF digital I/O with 2-channel PCM and surround. Direct hardware input monitoring via separate balanced 1/4" TRS monitor inputs. 16-channel MIDI I/O. SCMS copy protection control. Software routing of inputs and outputs. Digital I/O can be routed to/from external effects. ASIO, WDM, GSIF 2 and Core Audio driver support. 64-bit driver support for Windows. PCI 2.2 compatibility.