not sure if this was covered yet. it's no longer a 24/192 digitial i/o
http://www.esi-pro.com/viewProduct.php?pid=16&page=1- 4 channel analog Input (24-bit/96kHz)
- 8 channel analog Output (Supports up to 24-bit/192kHz)
- 24-bit 96kHz 2 channel S/PDIF [coaxial] digital I/O
- 2 MIC/INST Preamps with +48V Phantom Power
- 2 port MIDI I/O [32 MIDI channels]
- Headphone Amp with volume control
- Powered by FireWire bus or external power supply
- Windows® XP compatible