The Audiophile 192 represents a new benchmark in audio performance that's as good as it gets for music production, mastering and critical listening. As with all Delta cards, you get rock-solid drivers and seamless integration with your favorite Mac and PC applications?and even the ability to combine multiple Delta cards in one system*. And since M-Audio is always ahead of the pack, this world-class card is also compliant with PCI 2.2 and 64-bit audio drivers so your ready to take advantage of next-generation platforms and software. The Audiophile 192 is the new world-class standard in stereo audio cards. Has SCMS copy protection control Digital I/O supports surround-encoded AC-3 and DTS pass-through** Direct hardware input monitoring via separate balanced 1/4? TRS monitor outputs Software routing of inputs and outputs Digital I/O can be routed to/from external effects 16-channel MIDI I/O Features ASIO, WDM, GSIF 2 and Core Audio driver support for compatibility with most applications 64-bit driver support for Windows PCI 2.2 compatibility