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The MOTU UltraLite-mk4 is designed for the road or for use in studio., it gives you 18 inputs and 22 outputs in a class-compliant, high-speed USB-2 interface. You can monitor inputs and outputs, while a web-control app allows you to control signal routing, tweak levels, and apply on-board effects utilizing a laptop, iOS device, or smartphones over a closed Wi-Fi network. This means that in live scenarios, you can use the UltraLite-mk4 as a stand-alone digital mixer.
The UltraLite-mk4 joins two other models in the series lineup: the UltraLite-mk3, with "hybrid" FireWire/USB connectivity, and the UltraLite AVB, with it's powerful AVB/TSN Ethernet audio networking features
As the very latest model in the series, the UltraLite-mk4 provides comprehensive I/O, including two front-panel XLR/TRS combo-style mic/guitar inputs with preamps, 6 x 10 balanced quarter-inch analog I/O, 8-channel ADAT optical (switchable to stereo TOSLink), stereo RCA S/PDIF I/O and MIDI in/out jacks, all housed in a compact, rugged aluminum alloy chassis that slides easily into a backpack.
In addition to the built-in 32-bit DSP effects provided by the UltraLite-mk4, the device ships with AudioDesk, a digital audio workstation for Mac and Windows which provides 24-bit recording, sample-accurate editing, and the ability to mix and master. The interface is class compliant—meaning no drivers are required in most cases—and can record audio at very low latencies.
The balanced, DC-coupled analog outputs achieve a measured dynamic range of 117 dB, rivaling the audio quality of interfaces at much higher price points. New, optimized drivers for Mac and Windows deliver ultra-low latency performance, with roundtrip latency (RTL) as low as 1.83 ms (with a 32-sample host buffer setting, operating at 96 kHz).
Expanded DSP doubles the available processing power (from the mk3) for the redesigned console-style mixer, which provides 48 inputs, 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. You can even take the UltraLite-mk4 on the go as a mobile mixer, controlling everything wirelessly from innovative web app software running on your iPad™, iPhone™, tablet, smartphone and laptop.
The UltraLite-mk4 connects to a computer through hi-speed USB 2.0 (compatible with USB 3.0) and records at sample rates up to 192 kHz. It is also USB audio class compliant, so you can connect it directly to an iPad using a standard camera connection kit (adapter) for multi-channel I/O with your favorite audio apps.
Like all MOTU audio interfaces, the UltraLite-mk4 includes a suite of audio analysis tools, including a full-screen real-time FFT display, spectrogram “waterfall” display, full-featured oscilloscope, X-Y plot and phase analyzer.
Sample rates | 44.1, 48, 88.2, 96, 176.4, 192 kHz |
Mic/guitar inputs | 2 x combo XLR/TRS mic/guitar inputs Preamp gain: 0 to +60 dB (digitally controlled) Instrument gain: 0 to +30 dB (digitally controlled) |
Analog inputs | 6 x 1/4" TRS line inputs (balanced/unbalanced) Max level: +24 dBu (digitally adjustable -96 to +22) |
Analog outputs | 10 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/O | 1 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) |
Total I/O | 18 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/O | 1 x USB 2.0 audio class compliant USB 3.0 and iOS compatible |
Computer I/O channels | 64 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/O | 1 x MIDI IN 1 x MIDI OUT 16 MIDI channels to/from computer host |
Headphone | 1 x 1/4" TRS stereo phone (assignable) |
Phantom power | 2 x individual +48V |
Front panel | 1 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 |
Power | External 12-18V DC power supply 1.0A max • tip pos or neg |
Connector type |
Dynamic range (A-weighted) |
THD+N (unweighted) |
Max level |
Trim range (in 1 dB steps) |
|
---|---|---|---|---|---|
Line output | 1/4" TRS, balanced, tip hot | 117 dB | -101 dB | +20 dBu | 24 dB (-4 to +20) |
Line input | 1/4" TRS, bal/unbal, tip hot | 110 dB | -102 dB | +24 dBu | 118 dBu (-96 to +22) |
Mic input | XLR, balanced, pin 2 hot | 112 dB | -104 dB | +24 dBu (with pad) |
56 dB |
Phones | 1/4", TRS stereo | 112 dB | -94 dB | Max. 80 mw | 128 dB |
The UltraLite-mk4 ships with standard Core Audio drivers for Mac OS X for compatibility with virtually all Core Audio-compatible apps, including:
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:
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