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Professional standalone sequencer
Genuine centerpiece of a setup, it offers every tool needed to compose songs in the studio and perform them on stage. From vintage to modern synths, from modular systems to your favorite DAW, Hapax can sequence and synchronize all your gear, while bringing you carefully crafted tools, designed for maximizing creativity.
Up to a million notes and events

16 tracks per project, 8 patterns per track.
Thanks to its dual-processor architecture, Hapax can record and transform tremendous amounts of data in no time, without a hitch.

MPE compatibility

Hapax is the first hardware sequencer that fully supports MIDI Polyphonic Expression. Record the finest gestures, slides and articulations of your playing, without compromising quality.

Dual-project architecture

Hapax can handle two separate and independent projects, that can be played simultaneously. This lets you compose or load an entire project while the first one is already playing, enabling endless sets and seamless transitions.

Dawless is more.

Hapax offers broad connectivity options for perfect integration in any setup.

Several ways to write music

Writing a melody: use a polyphonic or MPE track and take advantage of the advanced step sequencer to quickly lay down notes or edit your live recording.

Composing a beat: control up to 8 different instruments with a single track. The drum sequencer is tailored for very easy rhythm writing and jamming.

Real-time midi effects

Bring your synths to life
Hapax embeds multiple real-time, polyphonic, non-destructive midi effects, as well as project-wide assignable LFOs. Each parameter of these effects can be automated in the dedicated mode, and processed in the mod matrix, which provides even more ways of routing and modulating.

Powerful composition tools

Powerful tools for offline note transformation and generation, right at your fingertips. Harmonically invert your motive, generate a controlled-random counter-melody, slowly ramp up the velocities, emphasize every fifth 8th note...

Hi-res recording
Hit the red button, and record from the encoders and 128 pads of Hapax, external midi instruments (included MPE controllers) or any incoming analog signal, at a high resolution of 192 ppqn. Looper style recording, count-down and metronome options, punch-in mode, you'll certainly find the options that best suit your workflow.

Time elasticity
Each track has an elasticity value which changes its playback speed, expressed in percentage of BPM. Quickly double or halve the speed of a track, or create slightly shifted tracks that will slowly drift out of phase with each other.

Fluid editing
Using hardware should never get in the way of creative flow. The undo/redo button lets you go back in time as needed, thanks to its extensive history. Additionally, the snapshot function enables you to save the state of a pattern and recall it with a single press. Together with dedicated copy, paste and delete buttons, Hapax offers a complete toolbox for the prompt editing of your tracks.

Harmony, simplified
For fast and intuitive chord building, the chord live mode brings harmonic capabilities to anyone, with or without deep theoretical knowledge. With its colorful interface, the chord mode displays a synesthetic melding of hearing, vision and touch.

Simple by design
Trimmed to perfection
We designed Hapax from the ground up, deconstructing everything we knew about sequencing. We aimed for a high-end product, with dual arm processors for computation power and a rugged yet minimalist housing.

As music-making should remain an enjoyable process, we favored dedicated buttons over key combinations and imagined a clear-cut interface as well as a simple architecture. We have striven to minimize the importance of screens for live performing, but the dual grayscale display helps keeping track of things in a studio context.

Evolving firmware
The Hapax Operating System has been written with extra care, prioritizing stable and fast operations. New features and parameters will be added regularly. 



Model name



128 RGB MATRIX pads

52 clic pads

9 sturdy clickable encoders

2 OLED greyscale displays

SD card for saving projects

CPU: dual ARM design

RAM: 32MiB

Housing: machined aluminium 2mm

Housing (back): unibody ABS


Dual Sequencer (2 Projects)

16 tracks per project

8 patterns per track


2× midi in (DIN + TRS)

2× CV in [-5V to +5V] (16bit)

Stereo pedal (footswitch)


4× midi out (3× DIN + TRS)

4× CV out [-5V to +5V] (16bit)

4× GATE out [+5V]

Bidirectional I/O

USB Host (link a controller)

USB Device (link a computer)

Power supply

15V, 1.2A, 18W (included)


358 × 206 × 58 mm = 14.1 x 8.1 x 2.3 in


1.855 kg = 2.2 lb


Main Features


Dual Project: 16-track × 8-pattern + 16-track × 8-pattern

Polyrhythms / Polymeters / Phasing

Track run-modes : reverse, pingpong, random

Track length: 1 step to 32 bars


3 live modes : scales, chords, drum

Project real-time global scale

High recording resolution: 192ppqn

Real Time Midi Effects (Arpeggiator, Chance, Euclid, Harmonizer, Randomizer, Scale, Swing...)

Live recording with looper & metronome

Transpose track


Undo / Redo / Snapshot

Advanced modMatrix

Assign 8-pot mode


3 step modes: polyphony, drums, MPE

Algorithmic composition tools

Quantizer with strength

Loop points on each track

Conditional trigs possible on each note + Fill

Automation editor with interpolator


Advanced pattern mode

Song editor mode, based on sections (groups of patterns)

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