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Divine a new world of sound with the S-1 Tweak Synthesizer, a potent micro polysynth inspired by the legendary Roland SH-101. Jam with the snappy basses and expressive leads you’ve loved for years. Then launch your music into uncharted territory with futuristic wave manipulation, onboard sequencing, and unique performance features designed for modern creators. With its inspiring hands-on controls and intuitive workflow, the powerful S-1 delivers a fun and satisfying experience for beginners and serious synth adventurers alike.

Product Features

  • Compact form factor masterfully melds heritage synthesis with contemporary accommodations
  • Analog Circuit Behavior (ACB) technology serves as the S-1’s foundation for a staggering suite of sonic sculpting and tone-crafting tools
  • Deeply inspired by the aural possibilities of heritage synths, characteristic elements of the SH-101, JUNO line, JX-3P, and more are wonderfully reimagined
  • Onboard effects include shimmering delays and cavernous reverbs for complete dimensional control
  • 26 multi-functional pads comprise a 2+ octave range of note-based performance alongside deep editing tools and shift-key functionality
  • Multimode arpeggiator and 64-step sequencer ensure flexible, powerful rhythm tools, with up to 64 sequencer patterns and a host of advanced programming tools
  • 4-voice polyphony takes the SH-101’s sonic profile, and more, to new heights
  • 4 always-available oscillators include sub, noise, square, and saw options for unique tone crafting
  • Comprehensive sound-shaping tools include nuanced filter, envelope, and LFO controls for complete compositional control
  • ACB tech allows for highly customizable waveform drawing, creating new shapes with added overtone shaping and comb filter to introduce rich, dazzling harmonics
  • Diverse connectivity includes AIRA Sync I/O, TRS MIDI I/O, mix I/O, and class-compliant, MIDI CC-capable USB-C Audio/MIDI for streamlined integration into virtually any setup
  • Rechargeable lithium-ion battery provides 4.5 hours of unimpeded beat-crafting


  • Color (X): Black/Green
  • Model Name (X): S-1
  • Video Link (X)
  • Type (X): Synthesizer Module

ConditionBrand New (New)
Brand New items are sold by an authorized dealer or original builder and include all original packaging.learn more
  • S-1 AIRA Compact Tweak Synthesizer
  • Black/Green
  • MIDI Input
  • MIDI Output
Analog / Digital
  • Digital
  • 4 Voices

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Grandville, MI, United States
Joined Reverb:2013

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