Keith McMillen QuNexus RED
A decade-old MPE keyboard that a free firmware update turned into a three-track sequencer — and whose keys still split reviewers down the middle.
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Keith McMillen Instruments
Smart Fabric expressive controllers (QuNexus, K-Board, SoftStep)
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Keith McMillen Instruments (KMI) is the Berkeley, California controller maker that Keith McMillen (1957–2024) — founder of Zeta Music and, at Gibson's G-WIZ lab, developer of the ZIPI protocol that led to Open Sound Control — established in 2005 to build instruments around its Smart Fabric force sensors: the SoftStep and 12 Step foot controllers, the QuNeo pad controller, the QuNexus and K-Board keyboards, the BopPad and the K-Board Pro 4 MPE keyboard. After McMillen's death in August 2024 the company rebranded as Muse Kinetics in September 2024, keeping the same Berkeley base and continuing the line under both names.
- Founded
- 2005
- Based in
- Berkeley, California, USA
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