The RME HDSPe MADI-FX 390-Channel Triple MADI PCI Express Card is perfect for audio professionals seeking high-performance multi-channel audio solutions. Whether you're in a recording studio, a live sound venue, or a broadcast environment, this card delivers exceptional audio quality. It features a PCI Express interface for MADI systems, 194 input/196 output channels, and 3 x MADI I/O. The card also offers AES/EBU I/O, 3 x Virtual MIDI I/O Over MADI, 1 x MIDI I/O via 5-Pin DIN, Stereo Analog Out, Word Clock I/O, and TotalMix FX with a 192 kHz Effects Engine. It supports both Mac OS X and Windows. In terms of specifications, it's a 1-Lane PCI Express Endpoint device with a 2.5 Gbps line speed and packet-based full-duplex communication up to 500 MB/s transfer rate. All settings are changeable in real-time, and it has automatic and intelligent master/slave clock control. Sync sources include MADI coaxial, MADI optical, AES/EBU, word clock, and internal. Sample rates range from 44.1 kHz to 192 kHz and are variable (Sync/word clock). Jitter is < 1 ns, internal and all inputs, and the PLL operates even at 100 ns Jitter without problems. It comes with DIGICheck for measurement, analysis, and testing. Input word clock has a Signal Adaptation Circuit and switchable termination, while output word clock is BNC with a low-impedance driver stage. MIDI input and output are via two 5-pin DIN jacks.