re:SYNTH

re:SYNTH

Analog Synth-From-Anything

Analog synth-from-anything. Octaves, filters, fuzz, and wave shaping for guitar, bass, drums, vocals, synths—whatever you feed it. Make it scream.

FREE
Hear It In Action

Audio Demos

Bass Enhancement

Adding sub-octave weight and filter sweep to bass guitar

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Beat Processing

Drums through the filter section with envelope-controlled sweeps

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Guitar to Synth

Arpeggiated guitar transformed into multi-octave synth line

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Synth Bass

Synth bass with added sub-octave weight and filter modulation

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Three Distinct Analog Circuits

The Filters

Each filter is a complete analog circuit emulation with distinct personality and sonic character.

TI-3700
4-Pole, 24dB/oct

Smooth, Clean, Musical

Based on the dual OTA topology found in classic synthesizers. Exponential frequency sweep with linear resonance response. Self-oscillates cleanly at high resonance settings.

Best for: Synth pads, clean sweeps, classic leads
RCA-94
3-Pole, 18dB/oct

Punchy, Warm, Dynamic

Faithful recreation of the original guitar synthesizer filter circuit. Features signal-dependent gain—the filter naturally darkens on loud signals for that coveted dynamic, funky response.

Best for: Funky auto-wah, envelope following
KEIO-20
2-Pole, 12dB/oct

Aggressive, Screaming, Unhinged

Inspired by the legendary Japanese synthesizer filter known for its aggressive, screaming character. Hard feedback resonance that can push into self-oscillation and harmonic chaos.

Best for: Aggressive leads, making anything scream
What's Inside

Features

Three Voice Generators

Sub-octave for massive low-end, harmonic octave-up, and signature square wave voice—plus clean passthrough. Blend them all for rich, layered synth textures.

Three Analog Filters

TI-3700 for smooth sweeps, RCA-94 for funky dynamics, KEIO-20 for aggressive screams. Each with unique saturation and resonance character.

Purpose-Built Fuzz

Silicon fuzz circuit designed for synthesizer applications. Unlike guitar fuzz, it maintains definition and impact across the full frequency range—even on bass.

Independent Envelopes

Separate VCF and VCA envelope controls. Shape filter sweeps and amplitude swells independently for maximum flexibility.

30 Presets

A wide variety of production-ready sounds to get you started—from subtle enhancement to full synthetic transformation.

Modern Workflow

Resizable high-resolution UI and integrated preset browser. More workflow features coming soon.

Technical Details

Specifications

Mac FormatsAAX, AU, VST3
Windows FormatsVST3 (AAX coming soon)
Mac RequirementsmacOS 10.15+, 64-bit Intel or Apple Silicon
Windows RequirementsWindows 10 or 11, 64-bit
ActivationInternet connection required
Supported DAWsAbleton Live, Logic Pro, Pro Tools, Cubase, Studio One, Reaper

Ready to transform your sound?

FREE
  • Lifetime license
  • Free updates
  • VST3, AU, AAX included

Make it scream.

Transform any audio into synthesizer-like sounds. Start creating today.

FREE
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re:SYNTH