MOTU UltraLite-mk4
18x22 USB Audio Interface with DSP, Mixing and Effects

OUR PART #  ULTRALITE-MK4


The latest in MOTU's popular, award-winning UltraLite interface series, the UltraLite-mk4 is an 18-input, 22-output audio interface with DSP mixing, effects processing and best-in-class analog audio quality for on-the-go mobile audio recording. Connect to a computer through hi-speed USB 2.0 with new, optimized ultra-low latency drivers (audio class compliant, compatible with USB 3.0 and iOS) and record at sample rates up to 192 kHz with two combo XLR/TRS mic/guitar inputs, six line-level analog inputs, ten analog outputs, 8-channel optical I/O (with support for 2-channel TOSLink), RCA S/PDIF digital I/O, MIDI I/O and a headphone output. Powerful DSP delivers large console style mixing with 48 channels, 12 stereo busses, and 32-bit floating point effects processing, including modeled analog EQ, vintage compression and classic reverb. Matrix routing lets you quickly patch ins to outs, or split inputs to multiple destinations. Use the UltraLite-mk4 as a stand-alone mixer and control everything wirelessly from innovative web app software running on your iPad™, iPhone™, tablet, smartphone, and laptop. From studio to stage, the UltraLite-mk4 delivers exceptional sound quality, state-of-the-art operation and rock-solid performance.

Superb sound with ultra-low latency

The UltraLite-mk4 provides flexible and mobile USB2 audio connectivity to your computer with ultra-low latency and superb analog quality at sample rates up to 192 kHz. You get all the I/O you need, including two mic/guitar inputs, six line-level analog inputs, ten analog outputs, 8-channel optical digital I/O, S/PDIF digital I/O, MIDI I/O and a headphone output.

Built for studio and stage

Housed in a compact, aluminum alloy enclosure you can take anywhere, the UltraLite-mk4 is equally well-suited for studio and stage, with or without a computer. As an interface or standalone mixer, the UltraLite-mk4 provides 18 inputs and 22 outputs, for a total of 40 I/O channels.

All the I/O you need

Connect all of your audio gear, including speakers, headphones, mics, guitars, synths, keyboards, drum machines, effects processors and even MIDI devices.

Large console-style mixing

Record, monitor, route and process all live inputs using the on-board 48-channel large console-style mixer, with no latency and no processor strain on your computer.

DSP-driven effects processing

Apply hardware-based, DSP-driven effects processing to your mix, independent of your host computer. Add Classic Reverb™ with lengths up to 60 seconds.

Modeled analog EQ and compression

Further 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 extras

Analyze 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 mixing

After recording and mixing in the studio, take the UltraLite-mk4 on the road with your laptop for mobile recording and live mixing.

Proven performance

From studio to stage, the UltraLite-mk4 delivers exceptional sound quality, ultra-low latency drivers, state-of-the-art operation and rock-solid performance.

Motu UltraLite-mk4 Features:

  • 18 x 22 USB audio interface with 40 simultaneous audio channels — 2 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 latency — Analog outputs deliver 117 dB dynamic range. New, optimized drivers deliver rock-solid performance and industry-leading low latency.
  • DSP mixing and effects processing — Flexible 48-input digital mixer with 7 stereo aux busses, 3 group sends, and DSP effects, including reverb, 4-band EQ, gate, and compression.
  • Modeled vintage effects processing — Classic reverb. Compression modeled after the legendary LA-2A leveling amplifier. EQ modeled after British analog console EQs.
  • Flexible matrix routing and splitting — Send any input to any output, or multiple outputs. Includes routing to and from the computer.
  • Web app control — Control everything from your favorite web browser on a laptop or mobile device (table or smartphone )through a shared Wi-Fi network.
  • Universal connectivity — Connects 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 metering — The large backlit LCD lets you view all signal activity at a glance with detailed metering for all analog and digital I/O.
  • AudioDesk — Includes AudioDesk workstation software for Mac and Windows with 24-bit recording, sample-accurate editing and 32-bit mixing and mastering.
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