Guillemot Maxi Studio ISIS XL Allows eight simultaneous inputs and four independent outputs in full-duplex 32, 44.1 or 48 KHz S/PDIF input and output in both gold-plated RCA and optical format for digital transfers with a DAT or a mini-disc External 20-bit converters for a perfect audio fidelity 2 MIDI ports Virtual control console to adjust monitoring and I/O levels