SPASynth interface: three oscillators, filters, envelopes, LFOs, Organic Chaos, arpeggiator, effects and mod matrix
SPASynth: Sounds become instruments.
SPASynth: One button. A new patch.
SPASynth: Make digital breathe.
SPASynth: Play patterns.
SPASynth: Try it free for 14 days.
Soundscape demo: the SC Haunted Forest preset layers air ambience, a night-time cricket chorus and a dark drone
Sample Pool demo: the SFX Crowd Laughter preset picks a different comedy-club laughter take on every note

SPASynth

Regular price $212.00 Sale price$141.00
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✅ Free 14-day trial: download it free
✅ Instant download through SPAStation, our free app
✅ Mac: AU, VST3, AAX · Windows: VST3
✅ One serial activates 3 computers
Close-up of a SPASynth wavetable oscillator: POSITION, UNISON, DETUNE, BLEND and WIDTH knobs Close-up of a SPASynth wavetable oscillator: POSITION, UNISON, DETUNE, BLEND and WIDTH knobs
The hybrid synth where your sound library becomes the instrument.
Other synths give you waveforms. SPASynth gives you a Foley-grade sound-effects library as the synthesis material. A typewriter, a rainstorm, or a billiard break becomes a playable keyboard instrument, a granular cloud, or the modulation source that pumps the filter.

SPASynth is the complete synthesizer. Every engine, every feature, all 243 factory
presets, and a 450-sound starter library drawn from all 90 Silverplatter Audio
packs (five representative sounds from each). Everything is here except the full
library, and the Everything Bundle adds that any time.

See it play

Screen recordings of SPASynth playing two presets. Turn your sound on.

Haunted Forest

Preset: SC Haunted Forest

Three Sample oscillators layered into one playable scene: steady air ambience, a cricket chorus at night and a dark tonal drone.

Sample Pool: a new laugh on every note

Preset: SFX Crowd Laughter

All three oscillators are in Sample Pool mode, holding 13 comedy-club laughter takes between them. Set to Random, each note picks its own take, so hitting the same key again and again sounds like a live crowd, not a looped sample. Watch for the counter above each waveform (2/4, 3/4) changing as every note picks a new take.

The full SPASynth interface: oscillators, filters, envelopes, LFOs, Organic Chaos, arpeggiator, effects and mod matrix

Inside the synth

  • 8 synthesis engines per oscillator slot, across 3 slots: wavetable, sample/SFX, Sample Pool, granular, virtual analog, 2-operator FM, noise, and Karplus-Strong pluck
  • In-pack quick-swap: audition every variant in a pack right from the oscillator, click the sample name for a dropdown of the whole pack, no file dialogs
  • The SFX-as-modulator system: every loaded sound is analyzed for loudness and pitch, and those contours become live modulation sources. Route a thunderstorm's loudness to the filter and the storm plays the synth.
  • Dual multimode filters, 8 types each, with series or parallel routing, drive, keytracking, envelope depth, and mix
  • Organic Chaos: per-voice analog-style drift in pitch, phase, wavetable position, amplitude, saturation, and distortion, so digital patches breathe
  • 16-slot modulation matrix, 21 sources into more than 90 destinations, with 3 host-synced LFOs and 3 envelopes RANDOMIZE ALL, a genuine patch generator with a WILD amount knob and 9 per-section locks. Every roll is guaranteed to make sound.
  • 12-mode arpeggiator with swing, latch, up to 4 octaves, and CHANCE, STUTTER, JUMP, and HUMANIZE probability controls
  • Five voice modes (Poly, Mono, Duo, Paraphonic, Unison), global glide (Off, Always, Legato), 16-voice polyphony, pitch bend, mod wheel, aftertouch
  • MIDI Learn on every control, right-click and move a knob
  • An eleven-module FX chain with live scopes: distortion, chorus, phaser/flanger, tremolo/vibrato, delay, reverb, convolution, parametric EQ with input and output levels, multiband compressor, GLITTER, and a limiter/maximizer
  • Searchable slide-out preset browser with favorites, and automatic library discovery
  • Resizable, telemetry-animated interface with user-tintable accent colors

Hear it: 100% SPASynth

Five tracks made entirely with SPASynth. No other instruments or effects were used.

Now playing
0:000:00
  1. SPARuger Seeds
    1:01
  2. Darkadd.remove
    0:38
  3. BreathPhilharmonic
    2:55
  4. BarnicleRuger Seeds
    1:10
  5. HomeboundRuger Seeds
    1:09

What you get

Files The full SPASynth synthesizer (AU, VST3, AAX, and Standalone)
SFX 450-sound starter library spanning all 90 packs
Presets 243 factory presets in banks: Synth, Drums, Rhythmic Loops, Hybrid Design and Sample Pool, plus artist presets by add.remove and Ruger Seeds
Updates Free updates across the v1 line

Formats and requirements

MacOS macOS 11 or later (universal, Apple silicon and Intel): AU, VST3, AAX (Pro Tools), Standalone
Windows Windows 10 or later (64-bit): VST3, Standalone
Close-up of SPASynth's filter CUTOFF and RES knobs Close-up of SPASynth's filter CUTOFF and RES knobs
Try it first, then activate.
Try SPASynth free for 14 days with nothing held back: download it with the 450-sound starter library from spasynth.com/download. Your purchase includes a serial number that activates up to three of your computers. Activation is a one-time step, online from inside the plugin or offline, and you can deactivate a computer at any time. After activation SPASynth never needs to check in again. Use the sounds in anything you make, royalty-free, forever. Just do not redistribute the raw files. Want the whole library later? The Everything Bundle includes SPASynth with the complete Silverplatter Audio library and free updates for life. Already own SPASynth? Contact us and we will take what you paid off the Everything Bundle.

WHY CHOOSE US?

Quality Audio

All of our sounds go through a rigorous curation process in order to help bring you to your highest goals.

Reliability

A clean, quick, no hassle download, as well as a community which has given us some amazing feedback!

Free Updates

Our products get updated over time. You get those free updates when you buy a given product. Simple as that.

Close-up of SPASynth's LFO controls: SYNC, RETRIG, RATE and PHASE Close-up of SPASynth's LFO controls: SYNC, RETRIG, RATE and PHASE
Want to learn more about SPASynth?