The RME MADIface USB is a 128-channel USB MADI audio interface designed for professionals in the audio industry, such as audio engineers and music producers. It can be used to create redundancy, for automatic failover, and to mix optical, coaxial, and USB 2.0 audio inputs with extremely low latency. It features inputs/outputs of 2 x MADI I/O, optical and coaxial (BNC), MIDI input and output via virtual MIDI port, clock modes of master (internal) and slave (MADI input), sample rates of 44.1, 48, 88.2, 96, 176.4, 192 kHz, variable (Sync/DDS), jitter < 1 ns, internal and all inputs, jitter sensitivity where PLL operates even at 100 ns Jitter, seamless redundancy operation with both inputs, TotalMix of 2048 channel mixer with 48-bit internal resolution, TotalMix with latency-free submixes and perfect ASIO Direct Monitoring, interface of USB 2.0, bus-powered, and comes with DIGICheck, RME's ultimate measurement, analysis and test tool.