This external MADI interface not only has 3 MADI I/Os with 64 channels each but also 2 microphone/line inputs, two XLR outputs and a headphone output along with an AES/EBU I/O, offering a total of 196 inputs. and 198 audio outputs. It also has MIDI ports via USB, MADI and DIN. To use all this in a portable device with the usual RME performance, MADIface XT uses an external PCI Express port and USB 3.0 to ensure high-speed data transfer. It also has TotalMix FX, which can be used in stand-alone mode or controlled remotely via MIDI.