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Sonuus i2M MIDI Converter & Hi-Z USB Audio Interface

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Quick Overview

Musicport—MIDI Converter & Hi-Z USB Audio Interface


i2M musicport—MIDI Converter & Hi-Z USB Audio Interface

Hi-Z USB audio interface

MIDI converter

Designed for guitar/bass/voice

Really is plug-and-play

Fast & accurate

Near zero latency


Continuing from the appeal of the G2M™ and B2M™, the i2M musicport™ combines the features of both these units (to support both guitar and bass) with an optimised USB interface for even faster MIDI performance. Featuring extended MIDI features and configurability to satisfy the most demanding users, and a high-impedance audio interface that won’t suck the tone from your instrument, the i2M  musicport™ is the new way to connect your musical instruments to your computer.

Designed particularly for guitar and bass, it works with most musical instruments including wind instruments and the human voice. Now you can record great-sounding tracks and play synthesizers and samplers how you have always wanted to: by using your favourite instrument. 

16-bit, 44·1 kHz/48 kHz digital audio with Hi-Z input preamp.

Any musical instrument can be used as a solo MIDI instrument.

Optimised settings for: Guitar, 4-String Bass, 5-String Bass and Voice/Wind.

No instrument modifications or special pickups required.

Robust note detection — minimises wrong notes.

Very low latency & ultra-fast tracking.

Ultra-fast, accurate MIDI pitch-bend or chromatic mode.

Ultra-compact, lightweight and portable.

USB bus-powered (no power supply required).

Future-proof upgradeable firmware.

" As it stands right now 'you can have my i2M musicport when you can pry it from my cold dead hands'. It works great. I have been a bass player for 46 years and I have been waiting for this since I first heard synthesizers. "

Craig Voorhies


Plug and Play

Universal MIDI -- No MIDI pickup needed!

Using class-compliant USB drivers built into your computer’s operating system, and with no special instrument set up required, the i2M  musicport™ offers a true plug-and-play experience for all musicians.


Ultra-Fast Monophonic MIDI Conversion

Although latency is unavoidable when converting musical pitch into MIDI messages, the unique technology used in the i2M  musicport™ reduces this to a minimum. Not only is the MIDI conversion extremely fast, but accurate and robust. In fact, the pitch-bend detection of the i2M  musicport™ is more accurate than many popular guitar tuners!

Fine nuances of your playing are captured by the i2M  musicport™: note velocity is determined from how hard you play; and subtle vibrato and bends are converted to ultra-accurate pitch-bend messages with virtually no latency. Everything from the emotional subtlety of a ‘cello solo to the most extreme use of a guitar’s whammy bar are tracked flawlessly.

The optimised USB MIDI interface further minimises latency by intelligently managing data packets and avoiding the inherent delays in the traditional MIDI hardware protocol.


Flexible MIDI Architecture

The MIDI converter architecture is very flexible and powerful comprising six zones (splits), each with configurable pitch bend, MIDI channel, transpose and other parameters.


Hi-Z USB Audio Interface

The i2M  musicport™ features a very high-impedance (Hi-Z) audio input circuit. This means it won’t degrade the tone of your musical instruments, unlike typical “line” inputs — often a problem with electric guitars and dynamic microphones. The input pre-amp also has adjustable gain to accommodate a wide variety of musical instruments.

High quality 16-bit, 44·1 kHz (CD quality), and 48 kHz (DVD quality) digital audio can be recorded into your favourite audio application, or used live, for example through amp-simulators with great-sounding results.

An ASIO driver (only supported on Windows operating systems) is available to provide low latency audio and features the unique ability to use any other audio device (even other ASIO devices) as the output audio device so you can hear everything you do in real time.


Future-Proof (Upgradeable Firmware)

To support new features and to make it futureproof, the firmware (internal software) of the i2M musicport™ can be upgraded. This means you can invest with confidence in the i2M musicport™.


Pocket-Sized / Gigantic Possibilities

Fashioned as an in-line ¼"  jack-to-USB adapter, and about the size of a car key-fob, the i2M  musicport™ has an ultra-compact design that can easily fit into your pocket. But this tiny box will redefine your musical possibilities.

An invaluable composition tool, the i2M  musicport™ will let you access new sounds with ease, enable you to create tab and scores, provide you with new inspiration and let you have more fun than you thought possible.

Go on: Unlock your music!


Desktop Editor Software

The i2M  musicport™ features a very flexible and powerful MIDI converter architecture with 6 zones enabling MIDI to be sent on up to 6 MIDI channels simultaneously, with each zone being independently configurable. You can customise each of the operating modes for your particular requirements and exchange these settings with other i2M  musicport™ users.

Four presets can be stored on the i2M  musicport™ so you can switch between these without requiring the Desktop Editor Software. This software is available for Microsoft Windows, and OSX (10·5 and above).


Note: the i2M musicport™ doesn't include its own MIDI sounds, you must use suitable software (sampler, synthesizer, sound module etc) or your computer to record or to hear the MIDI output.




Power supplyUSB bus powered
Size75mm x 28mm x 28mm
Weight40 g
Input (Instrument)6.35mm (1/4") mono jack | 10 MOhm impedance
SwitchesMODE button to select active preset
ComputerStandard Type B USB socket
DriversClass-compliant (built into operation system)
Preamp Gain-12dB (cut) to +15dB (boost) in 3dB steps
Audio16-bit,  44.1kHz (CD Quality) | 16-bit, 48kHz (DVD Quality)
MIDI Note RangeA0 (21) to Bb6 (94)
MIDI Latency5 ms (E5), 17 ms (E2), 32ms (E1), 40 ms (B0)
Instrument TypesGuitar | 4-String Bass | 5-String Bass | Voice/Wind
Presets4 (can be switched via MODE button)
MIDI Zones6 independent zones (splits)
MIDI Channel1-16 (on any zone)
 Pitch Bend Accuracy<1 cent accuracy
Pitch Bend Range0-36 semitones (on any zone)
Transpose-36 to +36 semitones (on any zone)
Hold PedalAny MIDI channel, any MIDI controller 
Microsoft Windows XP, Windows Vista, Windows 7 and above
Apple OSX 10.3.9 and above
(Desktop Editor)
Microsoft Windows XP, Windows Vista, Windows 7 and above
Apple OSX 10.5 and above


Box Contents

i2M musicport

Printed Operators' Manual (in English)

1m USB cable