Motu UltraLite mk4 18×22 USB Audio Interface Overview:The latest in MOTU’s award-winning UltraLite series, the UltraLite-mk4 is a USB audio interface with 40 simultaneous I/O channels (18 in, 22 out). It also delivers exceptional sound quality, new ultra-low latency drivers and expanded DSP for studio-grade mobile audio recording.Superb audio qualityAnalog outputs deliver 117dB dynamic range at sample rates up to 192 kHz. Renowned drivers deliver rock-solid performance and industry-leading low latency.Ultra-low latencyNew, optimized drivers for both Mac and PC deliver ultra-low latency performance. With a high-performance DAW such as Digital Performer, the UltraLite-mk4 delivers an astonishing round trip latency (RTL) of 1.83 ms (milliseconds) on OS X and 1.84 ms on Windows over USB (at 96 kHz with a 32-sample host buffer).Built for studio and stageHoused in a compact, aluminum-alloy enclosure you can take anywhere, the UltraLite-mk4 is equally well-suited for studio and stage, with or without acomputer. As an interface or mixer, the UltraLite-mk4 provides 18 ins and 22outs, for a total of 40 simultaneous I/O channels.All the I/O you needConnect all of your audio gear, including speakers, headphones, mics, guitars, synths, keyboards, drum machines, effects processors and even MIDI devices.Large console-style mixingRecord, monitor, route and process all live inputs using the on-board 48-channel, console-style mixer, with no latency and no processor strain on your computer.Modeled analog EQ and compressionFurther sculpt your sound with 4-band parametric EQ featuring filter types carefully modeled after British analog console EQs. Choose between two forms of compression: a conventional compressor and the Leveler™, an accurate model of the legendary LA-2A optical compressor that provides vintage, musical automatic gain control.Advanced ExtrasAnalyze and scope your audio with advanced diagnostic tools, including a full-screen real-time FFT display, spectrogram “waterfall” display, full- featured oscilloscope, X-Y plot and phase analyzer.Mobile recording and mixingAfter recording and mixing in the studio, take the UltraLite-mk4 on the road with your laptop for mobile recording and live mixing.Web app controlThe software that you use to control the UltraLite-mk4 doesn’t reside on your hard drive. It’s a web app served from the hardware itself. This means you can control the UltraLite-mk4’s on-board DSP, mixing, and device settings from the web app software running in your favorite web browser on the computer, or even a tablet or smartphone on the same Wi-Fi network as your computer.Solid Metal ChassisThe UltraLite-mk4 aluminum chassis is lightweight, yet incredibly sturdy and durable, and designed to withstand the rigors of the studio, stage, and tour bus. In a world awash with cheap plastic, the cool touch of the UltraLite-mk4’s metal exterior in your hands is a reassuring reminder that you are holding quality engineering and construction built to last.Rack mounting bracketsUse included brackets and hex bolts to mount the UltraLite-mk4 on rack rails, as shown here with a companion MOTU micro lite MIDI interface.Features:18 x 22 USB audio interface with 40 simultaneous audio channels2 mic/guitar inputs, 6 line ins, 10 line outs, phone out, S/PDIF digital I/O and 8-channel optical I/O for 18 inputs and 22 outputs.Superb analog quality with ultra-low latencyAnalog outputs deliver 117 dB dynamic range. New, optimized drivers deliver rock-solid performance and industry-leading low latency.DSP mixing and effects processingFlexible 48-input digital mixer with 7 stereo aux busses, 3 group sends, access to eight network inputs, and DSP effects, including reverb, 4-band EQ, gate, and compression.Modeled vintage effects processingClassic reverb. Compression modeled after the legendary LA-2A compressor. EQ modeled after British analog console EQs.Flexible matrix routing and splittingSend any input to any output, or multiple outputs. Includes routing to and from the computer.Web app controlControl everything from your favorite web browser on a laptop or mobile device (table or smartphone) through a shared Wi-Fi network.Universal connectivityConnects to any computer with hi-speed USB 2.0 (audio class compliant, compatible with USB 3.0 and iOS). Compatible with all audio software.Comprehensive meteringThe large backlit LCD lets you view all signal activity at a glance with detailed metering for all analog and digital I/O. Access hardware settings from a simple and convenient menu.AudioDeskIncludes AudioDesk workstation software for Mac and Windows with 24-bit recording, sample-accurate editing and 32-bit mixing and mastering.Specifications: