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Unique take on analog synthesis

Under the hood, Mono hosts a uniquely designed analog synthesis engine. Discover a wide palette of sounds in a minimalistic, two oscillator, one filter set-up.

Oscillator block

From soothing detuned sinewave to heavily modulated sawtooth, Mono’s sound source is versatile and full of character.

- Thru-zero analog frequency modulation 
- Continuously variable waveform 
- Fine-grained detune control 
- Hard-Sync

Filter block

Designed with an emphasis on sound-character and originality, mono filter let you sculpts the oscillators output in every way possible. A unique filter for a unique synthesizer.

- 3-Pole State-Variable Filter 
- Continuously variable BP-LP-HP output 
- Main enveloppe amount control & Keyboard follow

A World of Modulations

Mono introduces contextual modulation, a unique modulation system that gives you full control over every parameters. Each have their own envelope and audio-frequency modulator. By simply touching a knob to select the underlying parameter, unleash Mono’s full creative potential.

Kick Drum
Phase effects
Filter FM
4-Operator FM
Pinged FM

Feature-rich sequencer

From simple note sequence to complex ratcheted phrase with parameter automations, Mono’s sequencer does it all, with a straight-forward user-friendly interface. Each of Mono's 2048 patterns stores a patch (or preset) with all modulation parameters, as well as a 64-step sequencence with automation events !


Easily record and edit patterns, either with direct control or external keyboard. Get immediate visual feedback of what’s happening, without menu-diving.

Sequence anything

Note trigs, parameter automations, Mod note, ratchet ... Mono sequencer allows the user to sequencer everything step by step without limitations

Powerful Undo-Redo

Never restrain your creativity by fear of loosing previous work. Mono’s undo-redo allows for up to 1024 actions to be Undoed.

Large onboard memory

Mono stores up to 32 projects, each with 64 patterns with patch memory. Each 64-steps pattern stores a patch with all modulations, and up to 3200 automation events.

A ton of creative features

Mod Note Mode
Save 40 patch state into project memory, play saved state using internal or external keyboard.
Note Randomizer
Add between 1 and 4 notes to the current page, quantized to the active scale.
Custom Accent
Fully customize which parameter are affected by accented steps.
Per-Step Controls
Microshift, ratchet,and probability can be set on a per step basis.

Synth voice features

  • Fully analog signal path
  • 2x analog oscillators
  • Continuously variable waveform
  • Thru-zero frequency modulation
  • Hard-sync
  • Filter overdrive
  • 1x 3-pole multi-mode filter
  • Continuously variable filter color
  • 1x Main ADSR envelope

Modulation features

  • 13x dedicated AD envelopes
  • 20x dedicated modulator

Modulator (modulation oscillator) :

  • 4 waveforms
  • Type settings : Free/Synced/Audio-Rate
  • Audio-Rate anti-aliased, quantized to OSC1
  • Free from 0.1 to 80 seconds

Envelope :

  • Attack-Decay segment from 10us to 20s


  • Up to 64 step per pattern
  • Individual length/scale/beat-division per pattern
  • Individual microshift/ratchet/probability per step
  • Per step parameter automation (offsets)
  • Swing/Slide/Accent
  • Copy/paste anything
  • Undo/Redo anything with 1024 events history
  • Mod Note mode
  • Fast, clock independent project Load/Save


  • Quandtized note randomizer
  • Ranged parameter automation randomizer
  • Step randomizer
  • Mod note randomizer
  • Microshift/Probability/Ratchet randomizer


  • 32 projects
  • 64 patterns with patch memory per projects
  • 3200 parameter automation per pattern
  • 40 mod note per projects


  • 23x transilluminated potentiometer
  • 24x illuminated silent mechanical switch
  • 23x 808-style switch
  • MIDI In/Out/Thru
  • 1x 1/4” unbalanced main audio out jack
  • 2x 1/8” eurorack Clock/Reset input
  • 2x 1/8” eurorack CV outputs
  • 2x 1/8” eurorack Gate outputs
  • 48kHz internal CV D/A converters
  • Flash-EEPROM upgradable OS
  • MIDI class compliant USB-B port

Balanced audio outputs

  • Output level: +15dBu maximum
  • Output impedance: 200 Ohm

CV Outputs

  • Voltage range: -8V/+8V
  • 1V/oct resolution : 3cents of a semitone

Electrical specification

  • Unit consumption: 10W typical
  • Recommanded power supply: 15V DC, 2A

Physical specifications

  • Machined aluminum front panel
  • ABS-PC back panel
  • Dimmensions: W320xD150xH42
  • Weight: approx. 1.6kg


  • 2-year Norand warranty

Included in the box

  • Mono (obviously)
  • High-quality power supply

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