External, sound and acceleration FireWire card, providing serious analog sound for Mac and PC devices, equipped with FireWire technology. It allows you to play UAD supported plug-ins via FireWire 800/400, provides access to more than 90 Plug-ins from Ampex, Lexicon, Roland Studer, Neve, Manley, SSL, EMT, Empirical Labs and MXR (sold separately), has a FireWire DSP accelerator and Custom Plug-in package, contains 4 SHARC processors, adds native systems a DSP boost for running larger mixes, is equipped with Analog Classics Plus plug-in packages including Legacy editions of LA-2A Classic Audio Leveler, 1176LN/SE Classic Limiting Amplifiers, Pultec Pro EQs, Realverb Pro, UA 610-B Tube Preamp & EQ (Plus only), and Fairchild 670 (Plus only) plug-ins. The device is compatible with other UAD-2 devices including the UAD-2 PCIe cards, Apollo Audio Interface, and also compatible with Pro Tools, Logic Pro, Cubase, Live, and more. System requirements: PC - Windows 7 64-Bit Edition with/SP1, MAC - OS X Mountain Lion 10.8.5, 10.9.x Mavericks or 10.10.x Yosemite. Dimensions: 152.4 x 203.2 x 25.4 mm. Weight: 0.907 kg.