So, you put RME's HDSP 9632 or HDSPe AIO PCI/PCIe interface to work in your computer. Great! Now, it's time to get the most out of it. You need RME's awesome BO9632XLRMKH balanced analog breakout cable! Plug this cable's 15-pin D-sub connector to your RME interface and choose among four XLR analog connections, two MIDI connection, and one 1/4" headphone jack. Now, you're in business!