Roland S-1 AIRA Compact Tweak Synth Sound Module

S-1 Tweak Synth

Divine a mint world of sonic textures with a potent micro polysynth and sound design playground inspired by the legendary SH-101.

AIRA Compact puts Roland’s legendary creative magic in the palm of your hand. Jam, perform, and develop ideas anywhere with genre-defining sounds. Chain AIRA Compact instruments together to extend your palette—or connect with MIDI gear, computers, and music apps to expand your existing rig. Fun, affordable, and easy to learn, AIRA Compact brings serious musical power to creators on the move.

S-1 Pocket-sized Four-Voice ACB Polysynth For Wild Sound Design and Performance

Divine a mint 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.

Standard Features

• Ultra-portable polysynth inspired by the legendary SH-101
• Authentic SH-101 sound driven by Roland’s evolving Analog Circuit Behavior (ACB) technology
• Craft all-mint tones with powerful oscillator drawing, oscillator chop, and riser tools
• Mono, poly, unison, and chord modes and four-voice polyphony
• Square, sawtooth, sub, and noise oscillators
• Hands-on panel with familiar synth controls for instant sound shaping and live performance tweaks
• Onboard keyboard with two-plus octave range
  
• 64-step sequencer and 64 patterns for on-the-spot song creation
• Advanced programming tools, including motion recording, probability, sub step, last step, and velocity
• Easy-to-use arpeggiator with eight phrase types
• D-Motion feature for controlling pitch, mod, and other parameters by physically moving the S-1
• Color and process your sounds with a variety of delay, reverb, and chorus effects
• Comprehensive connectivity with audio, MIDI, and sync I/O plus AIRA Link
• Class-compliant USB-C audio/MIDI interface—no drivers needed
• Lithium-ion battery with up to 4.5 hours of operation per charge
• Sturdy construction and high-quality rubber pads
• Connect to other AIRA Compacts and standard MIDI devices with optional BOSS TRS MIDI cables

The S-1 merges retro spirit and advanced capabilities in a pocket-size package you can take anywhere. Our evolving Analog Circuit Behavior (ACB) tech provides the authentic tone and response of the SH-101, an iconic ’80s monosynth embraced for its characterful sound and simple, direct-access panel. Extending the original’s design with four-voice polyphony and a slate of innovative features for next-level music creation, the S-1 makes it easy for musicians at any level to explore the power of synthesis through a friendly, uncomplicated interface.

Tone tweaker’s paradise.

Loaded with expressive tactile controls, the S-1 is a sound design and performance powerhouse in miniature. Create lavish tones with oscillator, envelope, filter, and LFO sections. Dive into deeper design tools with quick combo button presses. Adjust effects using dedicated knobs. And with 26 multi-function pads, you have access to a keyboard with a two-plus octave range, a step sequencer interface, and a wealth of creative options to spark fresh ideas.

Wild sound design.

The S-1 is primed to push classic SH tones into mint dimensions. Build from square, saw, sub, and noise oscillators and mono, poly, unison, and chord modes. Or craft custom waveshapes on the step pads using the powerful OSC Draw function. OSC Chop unlocks even more harmonic potential, allowing you to cut waveforms into sections and explore a labyrinth of metallic timbres. Then top off your tones by using the noise oscillator as an independent riser to add sweeps and pulsing sound effects.

Inspired sequencing.

Create compelling music in moments with the S-1’s 64-step sequencer and 64 patterns. Record live with the onboard keyboard or switch to step mode for detailed note entry and editing. Use motion recording to animate patterns with panel control tweaks or set parameter values for individual steps. Then delve into probability settings for randomization, sub steps for rapid-fire rhythms, and other features like velocity, shuffle, portamento, and more to bring your music to life.

Performance playground.

The S-1 is packed with features to inspire dynamic performances. Get physical with D-Motion to create compelling sound changes simply by moving the synth. Pop on the arpeggiator for cascading musical moments. Trigger the Step Loop function for live fills and on-the-fly rhythmic improv. And transpose patterns with just a few quick touches to instantly add harmonic richness to your jams.

Immortal effects.

Enhance your sonic palette with a wide selection of classic Roland effects. Add shimmering dimension with lush choruses derived from the iconic JUNO and JX-3P synths. Introduce spaciousness and movement with manual and tempo-synced delays. Then envelop your sounds with studio-grade reverb effects and a variety of adjustable parameters.

Unbound versatility.

The S-1 has all the connectivity you need to sync with your musical world. Link up with other AIRA Compacts like the T-8 Beat Machine, J-6 Chord Synthesizer, and E-4 Voice Tweaker to create a portable creative juggernaut. Interface with computer DAWS and mobile music apps via USB-C. Or use the S-1 and its MIDI I/O as a standalone sound module in a larger performance rig.

Everywhere at once.

• The S-1 is ready to deliver instant inspiration anytime and anywhere. The lithium-ion battery provides up to 4.5 hours of runtime per charge, while the rugged Roland build will support you through years of musical journeys.
• Onboard controls for Oscillators, Filter, ADSR envelope, and Effects
• ACB on overdrive - OSC Drawing for creating custom waveforms, OSC Chop with Overtone and Comb
  for powerful harmonics
• Inspiring performance tools – D-Motion, Step Loop, Arpeggio, jammable pattern transposition, and Riser
• Advanced programming - 64-step Sequencer with Velocity, Gate Length, Sub Steps, Motion Recording,
  Probability, Master Probability, Last Step, Scale, Transpose, Shuffle, Portamento
• Versatility – use as a standalone synth, sequencer, or even as a compact MIDI controller transmitting
  notes as well as CC messages
• Color and process sounds with chorus, delay, and reverb
• Comprehensive connectivity with audio, MIDI, and sync I/O plus AIRA Link
• Class-compliant USB-C audio/MIDI interface—no drivers needed
• Lithium-ion battery with up to 4.5 hours of

Jam instantly.

AIRA Compact invites you to start making music the instant you power up. With friendly controls, inspiring sounds, and loads of creative tools, you can quickly turn simple ideas into off-the-cuff masterpieces.

Uncommon versatility.

However and wherever you make music, AIRA Compact instruments are there for you. Stow one in a pocket or backpack and compose on the go. Mix and match them for busking, club performing, and livestreams. Or use them as high-quality sound generators and input devices for larger-scale performances and computer music production.

Renowned sonic DNA.

Driven by the advanced Analog Circuit Behavior (ACB) technology found in our top-line instruments, AIRA Compact delivers the real-deal sounds behind decades of hit music. Create with the authentic voices of Roland icons, including TR rhythms, TB basses, SH-101 and JUNO synths, VT effects, and more.

Class-leading connectivity.

AIRA Compact provides ample I/O to interface with everything in your musical world. Synchronize and monitor multiple AIRA Compact instruments from one unit, connect with stereo audio and MIDI devices, and communicate with computers and mobile music apps via USB-C.

Small & mighty.

AIRA Compact strikes the perfect balance between portability and power. Each model is small enough to slip in a pocket and features a tactile panel to jumpstart your creative flow. Onboard lithium-ion batteries provide hours of continuous fun per charge. And with Roland’s famous build quality, your AIRA Compact is ready for years of musical exploration.