Synthesizers

Unlock the Versatility of UNO Synth PRO X: Detailed Review for 2024

The IK Multimedia UNO Synth PRO X combines analog warmth, advanced modulation, and hands-on controls in a sleek, portable design. Building on the success of the UNO Synth series, this model introduces expanded polyphony, dual-filter routing, and a robust modulation matrix. Ideal for studio production, live performance, and sound design, the UNO Synth PRO X delivers exceptional versatility and deep sound-shaping capabilities in a compact package.


  • 3 Analog Oscillators: True analog oscillators with PWM, sync, and FM capabilities.
  • Dual-Filter System: A multimode state-variable filter and classic OTA filter for versatile sound shaping.
  • Modulation Matrix: 16-slot matrix for complex routing of LFOs, envelopes, and more.
  • 256-Step Sequencer: Advanced sequencer with real-time recording and parameter automation.
  • Studio-Grade Effects: Includes reverb, delay, modulation, and drive for enhanced sound.
  • Extensive Connectivity: USB, MIDI, CV/Gate, and balanced stereo outputs.

At its core, the UNO Synth PRO X features three true analog oscillators, each offering saw, triangle, pulse, and PWM waveforms. These oscillators can be synced or modulated via FM, allowing for everything from classic analog tones to complex harmonic textures. The dual-filter system combines a state-variable filter with low-pass, high-pass, and band-pass modes and a classic OTA filter, giving users unparalleled tonal flexibility. This setup enables a wide range of sounds, from vintage warmth to modern aggression.

Highlights:

  • Three analog oscillators for rich, warm tones.
  • Dual-filter system for precise tonal sculpting.
  • Capable of lush pads, punchy basses, and searing leads.

The dual-filter system of the UNO Synth PRO X provides a versatile sound-shaping foundation. The filters can be configured in series or parallel, offering endless possibilities for tonal experimentation. The 16-slot modulation matrix takes this further, allowing users to route LFOs, envelopes, and external sources to various parameters. This depth of modulation makes the PRO X a powerful tool for creating evolving, expressive patches.

Highlights:

  • State-variable and OTA filters for wide tonal variety.
  • Modulation matrix with 16 slots for complex sound design.
  • Assignable LFOs and envelopes for dynamic control.

The 256-step sequencer is a standout feature, offering real-time recording, parameter automation, and per-step modulation. This allows users to create intricate, evolving sequences with ease. The onboard effects suite includes delay, reverb, modulation, and overdrive, providing everything you need to craft polished, professional sounds directly from the synth.

Highlights:

  • 256-step sequencer for creating complex patterns.
  • Per-step modulation for dynamic sequences.
  • Studio-grade effects for enhancing sound.

The UNO Synth PRO X offers extensive connectivity options, including MIDI, USB, and CV/Gate, making it an excellent choice for both standalone use and integration into larger setups. Balanced stereo outputs ensure high-quality sound for live or studio use, while the compact design makes it portable and stage-ready.

Highlights:

  • USB, MIDI, and CV/Gate for seamless integration.
  • Balanced stereo outputs for professional audio quality.
  • Portable design with durable construction.

  • High-quality analog sound with advanced modulation.
  • Dual filters for flexible sound shaping.
  • 256-step sequencer and onboard effects for added creativity.
  • Compact, portable design with extensive connectivity options.
  • Limited polyphony compared to digital synths.
  • Small form factor may not appeal to those seeking full-sized keys.

The IK Multimedia UNO Synth PRO X is a versatile analog synthesizer that combines professional features with a compact, portable design. Its rich analog oscillators, dual-filter system, and advanced modulation matrix make it an excellent choice for sound designers, producers, and live performers alike. Whether you’re crafting intricate soundscapes or punchy basslines, the PRO X delivers the depth, flexibility, and performance you need.