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Muse Kinetics

Keith McMillen Instruments is now Muse Kinetics. Continuing its legacy of innovation, Muse Kinetics leads the way in expressive MIDI controller design. Known for its distinctive instruments and accessible MIDI solutions, Muse Kinetics brings cutting-edge technology to musicians of all kinds. As a pioneer of MIDI Polyphonic Expression (MPE), the company is dedicated to transforming every movement into meaningful musical expression. Designed in Berkeley, California, Muse Kinetics controllers are inspiring, intuitive, and as unique as the artists who use them. With Muse Kinetics, expressive control is always at your fingertips.

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36 Month Special Financing*

On Muse Kinetics qualifying purchases now through December 31, 2026. 36 equal monthly payments required. Learn MoreSome Exclusions Apply.

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MIDI Polyphonic Expression Technology

MIDI Polyphonic Expression is the key to exploring gestures to control electronic instruments. With MPE, the motions of your finger on the keys and pads translate into new dimensions of expression. By simply manipulating pressure, for example, you can control the cutoff frequency of a filter or the bend pitch to achieve the realistic vibrato you might expect from a fretless string instrument. Designed for versatility, Muse Kinetics offers a wide range of MPE controllers to suit all types of performers and producers.

MIDI Polyphonic Expression Technology
Smart Fabric Sensors

Smart Fabric Sensors

At the heart of Muse Kinetics technology is a proprietary smart fabric — a variably resistive felted material infused with carbon nanoparticles. When paired with specialized circuit board designs, this innovative material gives Muse Kinetics controllers their signature durability and responsiveness — all without any moving parts.

MIDI Foot Controllers

Muse Kinetics is there to help when you have your hands full. Its signature MIDI foot controllers — the SoftStep3 and the 12 Step2 — are among the most flexible and customizable MIDI foot controllers ever made. When you need a foot controller for your virtual pedalboard, your rackmount effects processor, or your synthesizer, Muse Kinetics has you covered.

MIDI Foot Controllers
QuNexus MPE MIDI Sequencer and Arpeggiator

QuNexus MPE MIDI Sequencer and Arpeggiator

Muse Kinetics revisited the classic QuNexus MIDI controller and brought forth an update full of exciting new features to completely reimagine the instrument. The QuNexus is now an affordable hardware MPE MIDI sequencer and arpeggiator with three programmable tracks and CV/gate connections to control your software or modular synthesizers.

BopPad Drum Pad Controller

The BopPad is an incredibly expressive drum pad controller designed to withstand intense drumming while remaining responsive to even the subtlest finger taps. Each of its four quadrants, mapped by pressure or radial position, can trigger up to five notes and four continuous controllers. Whether you’re playing live behind a drum kit or crafting beats in the studio, integrating an electronic pad into your setup has never been simpler, more creatively expressive, or more musically rewarding.

BopPad Drum Pad Controller

* Offer applies only to single-receipt qualifying purchases. Select manufacturers may require that only the manufacturer’s products qualify towards the minimum purchase amount needed to be eligible for promotional financing. Otherwise, an invoice that meets the minimum purchase amount and contains at least one qualifying manufacturer product is eligible for promotional financing. No interest will be charged on promo purchase balance, and equal monthly payments are required on promo purchase until it is paid in full. The payments equal the amount financed divided by the number of months in the promo period, rounded up to the next whole dollar. These payments may be higher than the payments that would be required if this purchase was a non-promo purchase. During the last month(s) of the promo period the required monthly payment may be reduced due to the prior months’ rounding. Regular account terms apply to non-promo purchases. New Accounts as of 07/31/2025: Purchase APR is 34.99%. Penalty APR is 39.99%. Min Interest Charge is $2. Existing cardholders: See your credit card agreement terms. Subject to credit approval.