ESI Juli@ 24bit/192kHz reference audio interface, with swappable I/O socket and ultra low latency drivers. Depending on I/O requirements, the user can select between balanced (+4dBu nominal) and unbalanced (-10dBV nominal) connectors - S/PDIF digital signal input clock detection - shutter type optical output jack - DirectWire 3.0 - 4x4 full-duplex recording interface with MIDI I/O, up to 24-bit/192kHz - universal board (compatible with both 3.3V and 5V PCI slots) - independent monitoring control for analog in, digital in and digital out signals - supports E-WDM driver:mmE, DirectSound, ASIO 2.0 and GigaStudio support. OS: Windows XP/2000/ME/98SE, Mac OSX 10.2 or better. Includes manual in English and German. 98SE/ME/XP/2000/Vista, Mac OS X 10.1 and newer.