midiphy MatriX - Mechanical Grid
A Canvas for your Sequences

midiphy MatriX extends existing midiphy (or MIDIbox) sequencers with a large 17x17 button/LED matrix (BLM) for graphical sequencing and much more. MatriX connects to and expands one or two independent sequencers. At any time, control can be switched between them.

289 (17x17) RGB-backlit and light|shielded mechanical keys with custom keycaps for optimal light dispersion.

Full-color 128x128 high-end OLED display running at 60Hz for info and graphical sequence/clip previewing.

Extra sliders and buttons for parameter entry and additional functions.

Two bidirectional MIDI ports and a dedicated button to switch between them.

Dedicated navigation joystick for moving selections, scrolling through clips/sequences and more!

High-performance STM32F4 MCU using RTOS as a software base for a responsive and fluid user experience.

Full midiphy SEQ v4+ and MIDIbox SEQ v4 support - compatible with existing BLM 16x16+X protocol.

Enhanced LoopA support: advanced editor with note color mapping and pan/zoom controls (microtiming), 160 scales (with note quantization), reassignable isomorphic keyboard and performance controls.

Available as an essential kit now!

Buy midiphy MatriX Essential Kit

midiphy MatriX User Manual (Version 1.01)
midiphy MatriX User Manual v101.pdf
Software Downloads

MatriX communicates with connected midiphy/MIDIbox sequencers.
Update your firmware to work properly with MatriX -- find compatible software versions below:
midiphy MatriX firmware v1.00b6
midiphy SEQ v4+ firmware v4+/502
Build Documentation

Extensive step-by-step build documentation and photo tutorial:
Building the midiphy MatriX (Photo Tutorial)

Forum Support

Find our support forum linked below. We're happy to help with any questions on parts, building, usage or software features!
midiphy Forum