MOTU UltraLite MK4

18×22 I/O with 2 mic/line/instr combo, 6×8 analog, MIDI, DSP mixing/FX

Description

Technical Specifications

Sample rates44.1, 48, 88.2, 96, 176.4, 192 kHz
Mic/guitar inputs2 x combo XLR/TRS mic/guitar inputs
Preamp gain: 0 to +60 dB (digitally controlled)
Instrument gain: 0 to +30 dB (digitally controlled)
Analog inputs6 x 1/4″ TRS line inputs (balanced/unbalanced)
Max level: +24 dBu (digitally adjustable -96 to +22)
Analog outputs10 x 1/4″ TRS line out (balanced, DC coupled)
Max level: +20 dBu (digitally adjustable -4 to +20)
1 x 1/4″ TRS stereo headphone
Digital I/O1 bank (8 ch) of ADAT optical at 1x sample rates
1 bank (4 ch) of SMUX optical at 2x sample rates
Switchable to stereo TOSLink (optical S/PDIF)
1 x stereo S/PDIF on RCA (up to 96 kHz)
Total I/O18 in / 22 out (40 total) at 1x sample rates
14 in / 18 out (32 total) at 2x sample rates
8 in / 12 out (20 total) at 4x sample rates
Computer I/O1 x USB 2.0 audio class compliant
USB 3.0 and iOS compatible
Computer I/O channels64 in/out at 1x (44.1 to 48 kHz)
32 in/out at 2x (88.2 to 96 kHz)
24 in/out at 4x (176.4 to 192 kHz)
MIDI I/O1 x MIDI IN
1 x MIDI OUT
16 MIDI channels to/from computer host
Headphone1 x 1/4″ TRS stereo phone (assignable)
Phantom power2 x individual +48V
Front panel1 x 1/4″ TRS headphone output
2 x XLR/TRS combo inputs
1 x digital rotary encoders • main/phone vol/pwr
2 x digital rotary encoders • mic/instr input gain
4 x switches • (2) Pad and (2) 48V Phantom pwr
128 x 48 pixel LCD for level meters / menu nav
PowerExternal 12-18V DC power supply
1.0A max • tip pos or neg
Dimensions
and weight
(width x depth x height, enclosure only)
8.6 x 7 x 1.75 inches
22 x 17.75 x 4.5 cm
2.3 lbs / 1.04 kg

Mac System Requirements

  • 1 GHz Intel-based Mac or faster
  • 2 GB RAM; 4 GB or more recommended
  • Mac OS X version 10.8 or later
  • Available USB 2.0 or 3.0 port
  • A large hard drive (at least 500 GB for recording)

Windows System Requirements

  • 1 GHz Pentium-based PC compatible or faster
  • 2 GB RAM; 4 GB or more recommended
  • Windows 7, 8 or 10
  • Available USB 2.0 or 3.0 port
  • A large hard drive (at least 500 GB for recording)

Web App Support

  • Any web client platform: Mac, Windows, Linux, iOS, Android
  • Any web browser: Safari, Firefox, Chrome, Opera, Explorer, etc.

Included Software

  • MOTU Discovery App for Mac & PC (finds connected MOTU interfaces)
  • MOTU Discovery App for iOS (available from Apple App Store)
  • MOTU Pro Audio Control web app (served from the hardware itself)
  • MOTU Audio Tools (FFT, oscilloscope, X-Y plot, phase analyzer)
  • AudioDesk 4.0 for Mac & PC (separate download)

Operating Systems

  • For computer audio I/O: Mac OS X 10.8 or later; Windows 7 or later
  • For web app control: Mac, Windows, Linux, iOS, Android

Analog I/O Specifications

Connector typeDynamic range
(A-weighted)
THD+N
(unweighted)
Max
level
Trim range
(in 1 dB steps)
Line output1/4″ TRS, balanced, tip hot123 dB-112 dB+20 dBu24 dB (-4 to +20)
Line input1/4″ TRS, bal/unbal, tip hot110 dB-102 dB+24 dBu118 dBu (-96 to +22)
Mic inputXLR, balanced, pin 2 hot112 dB-104 dB+24 dBu
(with pad)
56 dB
Phones1/4″, TRS stereo112 dB-94 dBMax. 80 mw128 dB

Compatible Mac Software

The UltraLite-mk4 ships with standard Core Audio drivers for Mac OS X for compatibility with virtually all Core Audio-compatible apps, including:

  • MOTU Digital Performer
  • Avid Pro Tools (version 9 or later)
  • Apple Logic Pro
  • Apple Logic Express
  • Apple Garage Band
  • Apple SoundTrack Pro
  • Ableton Live
  • PreSonus Studio One
  • Propellerhead Record & Reason
  • Steinberg Cubase
  • Cockos Reaper
  • Native Instruments Kontakt
  • Waves stand-alone apps (and plug-ins, via the compatible host)

Compatible Windows Software

The UltraLite-mk4 ships with standard ASIO and Wave drivers for Windows 7, 8 and 10 for compatibility with virtually all ASIO- and Wave-compatible audio apps, including:

  • MOTU Digital Performer
  • Avid Pro Tools (version 9 or later)
  • Ableton Live
  • Cakewalk Sonar
  • Cockos Reaper
  • Image-Line FL Studio
  • Native Instruments Kontakt
  • PreSonus Studio One
  • Propellerhead Record & Reason
  • Sony Vegas Pro
  • Sony Sound Forge
  • Sony Acid
  • Steinberg Cubase
  • Waves stand-alone apps (and plug-ins, via the compatible host)

UltraLite-mk4 Feature Summary

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

Renowned ESS Sabre32™ DAC technology delivers 123 dB dynamic range on analog output. 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, access to eight network inputs, and DSP effects, including reverb, 4-band EQ, gate, and compression.

Modeled vintage effects processing

Classic reverb. Compression modeled after the legendary LA-2A compressor. 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 (tablet 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. Access hardware settings from a simple and convenient menu.

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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