Keith McMillen Instruments QuNexus Keyboard Controller

25-key MIDI/CV Controller with Smart Sensor Keys, Polyphonic Aftertouch, and Pitch Bend Pad
Keith McMillen Instruments QuNexus Keyboard Controller image 1
Keith McMillen Instruments QuNexus Keyboard Controller image 1
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Keith McMillen Instruments QuNexus Keyboard Controller
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Next-generation Keyboard Controller!

Bring a new level of control to your studio with the Keith McMillen Instruments QuNexus controller. This isn't your typical controller, this is a multi-dimensional, 25-key controller that gives you unbelievable command of your music. The QuNexus's Smart Sensor keys recognize pressure, location, and the velocity of your playing. You gain control of CV, OSC, USB, and MIDI (via optional MIDI Expander) in a single device. The illuminated, touch-sensitive keys give you valuable performance feedback. Let the Keith McMillen Instruments QuNexus show you a whole new world of music creation and control.

Keith McMillen Instruments QuNexus Keyboard Controller at a Glance:
  • A portable controlled like no other
  • Smart Sensor keys give you amazing control
  • Lighted keys help you perform better
A portable controlled like no other

Tired of the same old boring controller? Need to add some spice to your life? Then you need to check out the Keith McMillen Instruments QuNexus portable controller. This isn't just another USB controller, the QuNexus will control MIDI, OSC and USB devices, and Control Voltage. This is one of the most affordable CV controllers on the market. Beyond this great functionality, the QuNexus takes control to a new horizon. Smart Sensor keys can detect velocity, pressure, and location to give you an amazing range of control. The Keith McMillen Instruments QuNexus brings a new perspective on what a controller can do.

Smart Sensor keys give you amazing control

Not every key is made the same. The Keith McMillen Instruments QuNexus takes your typical controller key into the next dimension. They react to velocity, pressure, and location/tilt. The keys can be mapped to trigger or control certain parameters depending on the pressure you place on the key. Set it up, so that light pressure is just the note sounding, but as you press harder a filter is triggered and controlled by the how hard you push on it. Besides pressure, the QuNexus keys also reacts to the location/tilt of the key. Rock the key back and forth to control a mapped function.

Lighted keys help you perform better

The Keith McMillen Instruments QuNexus has illuminated keys that change color depending on pressure. This gives you valuable performance feedback when playing the instrument, no more guessing. These lighted keys are also great when using the QuNexus as a step sequencer creating beats and loops. It's also perfect for beginners to begin exploring keyboards.

Keith McMillen Instruments QuNexus Keyboard Controller Features:
  • Amazingly versatile multi-function keyboard controller
  • Control MIDI (via optional MIDI Expander), Control Voltage, OSC, and USB from a single device
  • Smart Sensor keys are velocity, pressure, and location sensitive
  • Illuminated keys give you valuable performance feedback
Take control of your rig like never before with the Keith McMillen Instruments QuNexus controller!

Additional Media

Synth Tricks: The Artistic Joy of Polyphonic Aftertouch

Tech Specs

Number of Keys 25
Aftertouch Yes
USB 1 x Micro
Power Supply Bus Powered
Height 0.5"
Width 10"
Depth 3.5"
Weight 0.875 lbs.
Manufacturer Part Number K-708

Customer Reviews

Based on 10 reviews
Write your review

Had no idea how much I was missing this

I've had this thing plugged in for 10 minutes, so take this for what it's worth. I plugged this into my laptop with Ableton Live 9 and started playing some keyboard sounds. I could barely believe what I was hearing. I did also just get an Apogee One (iPad compatible version) which has been blowing me away as well. I have lots of nice studio gear including an RME UFX. What I could barely believe with this keyboard was the immediate level of expressiveness I felt. The touch sensitivity and responsiveness alone are worth the asking price. Instruments I'd never particularly bonded with felt like I could spend a day(s) with. The Rhodes sounds were amazing. It's the combination of the Apogee sound quality with the amazing sensitivity of this keyboard. I've owned Akai, M Audio and Korg miniature keyboards and they feel completely like toys compared to this. This feels like a real instrument. I excited to get into the deeper features of control and expressiveness, but if this thing did nothing more than play the sounds with the sensitivity of the keys, it would be well worth it. I had read people talking about how great the keyboard felt and I'm delighted to be affirming that perception. Now I've got to go play some more.
Music background: Guitarist, Semi-Pro musician, sound person, recordist

home studio plus qunexus equals quality time.

This is the one piece i've been missing in my home computer studio. It allows you to be very expressive in one simple unit with only one hand.
Music background: hobbyist

Nothing But Awesome.

This controller is unbelievably small for a portable pad controller considering its incredible functionality. Most larger (mid or even full length) conventional keyboards don't even have good polyphonic aftertouch like this lil' beast does. Additionally, the keys output midi AND CV commands based on where the key/pad is being press. It's also incredibly easy to use and set up. I love everything about this controller. Oh, and even discounting the above features... how many superbly designed and reasonably priced CV controllers are really out there? If you: 1. Work with CV gear (analog synths, etc.) 2. Need a perfectly sized controller with keyboard layout. 3. Would like to begin learning or become more proficient in playing standard keyboard-based instruments... then GET ONE!
Music background: Bobby McFerrin

Great little controller

The QuNexus is a pretty sweet controller. It is a nice size, durable, and plays nice. The materials are nice and the LEDs are nice too.
Music background: electronic, noise, experimental

Just superb!!!!

I'm going to start off saying that the wait for this amazing controller was well worth it. The QuNexus feels extremely solid, if its anything like the Quneo then it's a little tank. The keys are a little harder then I thought they would be but they work very well. The ports are top notch. And I like that it has so many. The sensitivity of the keys is absolutely insane and when you start messing around with the editor it's gets very wild. Another plus is it has a Ableton live remote script which turns it into a fun little controller for Live. I cannot recommend a better controller, it is fun and simple to use but also very advanced for such a small footprint. This thing keeps blowing my head off ever time I use it. Don't wait get a hold of your Sweetwater advisor(Thanks Zach) and get one NOW!!!!!
Music background: Sound designer

Sweetwater Advice

Daniel Fisher

There are many reasons that make Sweetwater a great place to work. One fun reason is that you get to meet people who are as passionate and knowledgeable about gear and music as you are. And when you visit their basement, you get to play with lovingly maintained vintage equipment right alongside the latest technical innovations. For example, in one friend's basement, I got to experience how amazingly expressive the polyphonic aftertouch is on his late-'70s Yamaha CS-80 synthesizer. I could hold down a handful of keys and then open the filter on a single note just by pressing down on that key. Sadly, a used CS-80 goes for more than $10,000. Now, you can experience the artistic joy of polyphonic aftertouch with the QuNexus Smart Sensor keyboard controller. Along with velocity sensitivity, it can also send pitch bends from a dedicated pad, plus standard channel aftertouch, and so much more. If you've discovered the joy of analog synthesis, then you'll go crazy with the QuNexus's CV (control voltage) I/O and gate. The CV outputs can control pretty much any analog synth parameter that has a CV input, and the CV gate will trigger your envelopes. The CV outputs can often work on your guitar pedals that have an expression jack as well. The entire CV concept is so well thought out that you can even use the QuNexus as a MIDI-to-CV converter and a CV-to-MIDI converter! (Try to find either of those on eBay for less than this.) The unit is powered and lit by USB, making it a no-brainer to connect to your computer. The free QuNexus Editor software (Mac and PC) allows you to fine tune your performance in ways you probably haven't imagined. For example, imagine having a unique pitch bend for each note just by tilting each key forward and back. Or changing aftertouch to any continuous controller you want. You can even break free of the computer with the KMI MIDI Expander, which gives you a power supply as well as MIDI in/out jacks. Now don't get me wrong; I'm not saying that this is the perfect MIDI controller to play a Rachmaninoff piano concerto. It has 25 keys and octave -/+ buttons to cover all 128 notes of MIDI. What it is perfect for is giving you soul-satisfying expressive control over the notes you choose. There are so many more features found in the QuNexus that you'll have to call your Sweetwater Sales Engineer to learn more about this miraculous controller.
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See also: Controller Keyboards, Keith McMillen Instruments, Keith McMillen Instruments MIDI Controllers