Single rack space 64 track recording system with MADI digital I/O and 8 analog line inputs. Records Broadcast WAV files directly to external USB 2.0 media. Supports both coaxial and optical variants of MADI data. Supports 56ch MADI (and passes through the DiGiCo ch57 mic amp control data as well.) 64ch record and playback @ 44.1kHz and 48kHz (half track count for 88.2 and 96kHz.) Can record an additional 8 channels of analogue (balanced line in) when working in 56 ch mode for capturing audience and ambience.