Features Fully recallable digital mixer 4U rack-mount steel chassis High-definition Burr-Brown analog-to-digital converters (118 dB dynamic range) Unlimited-headroom, 32-bit floating point, digital mixing and effects processing Internal sample frequency 44.1, 48, 88.2, 96 kHz Description Product Description Includes 1 Year Free Extended Warranty. Rack-mount convenience, AI power, and total recall. Based on the StudioLive AI-series mix engine and controlled with battle-ready UC Surface software for Mac, Windows, and iOS, the StudioLive RM32AI and RM16AI 32-channel, 25-bus rack-mount Active IntegrationTM digital mixers are scalable, compact, and 100 percent recallable. More powerful touch control than the competition. PreSonus UC Surface control software for Mac, Windows, and iPad was carefully designed for intuitive and quick performance in a live mixing environment (but also serves well in the studio). It lets you take advantage of large-format Windows 8 touch computers. And it gives you the big-mixer power of Filter DCAs. The power of Active Integration. StudioLive RM-series mixers are based on Active Integration (AI), a complete, networked, tightly integrated hardware/software ecosystem in which every touch point in the system interacts to enhance the user experience and solve practical problems in ways not previously possible. Complete Mix Control PreSonus StudioLive mixers redefined affordable compact mixing, forever changing the world and setting the standard for what digital mixers could be. Built from this award-winning legacy, the StudioLive CS18AI is a compact, intuitive mixing solution for the StudioLive RM16AI and RM32AI rack-mount digital mixers and Studio One® digital audio workstation. All StudioLive products are at home both live and in the studio, are easy to learn, and incorporate uniquely PreSonus workflows and features.