Yamaha PY64-MD - 64x64 BNC MADI Digital Audio Interface Card for DM7 SeriesThe PY64 MD audio interface card provides MADI connectivity, handling up to 64 input and 64 output channels of 96 kHz 24 bit digital audio. The onboard sample rate converters allow interconnection between devices operating at different sampling rates. Features: Number of Channels: 64 in 64 out MADI input: 2 BNC connectors with SRC (Up to 64 channels on each terminal) MADI Output: 2 BNC connectors with SRC (Up to 64 channels on each terminal)