Tetrad from Physical Audio is a hybrid synth built on physical modelling and granular synthesis, with four oscillators routed through a quad bus chain, and a crack search for tetrad crack, tetrad keygen or a tetrad serial key usually starts here.
Tetrad at a glance
| Developer | Physical Audio |
|---|---|
| Type | Instruments / Synth |
| Formats | VST3, AU, AAX |
| Operating systems | Windows 11 or later, macOS |
| Apple Silicon | Native |
| Hosts named by the developer | Ableton Live, Logic Pro, Pro Tools, Cubase, FL Studio, Reaper, Studio One, Bitwig |
| Price on Plugin Boutique (October 2026) | €79.34 |
What Tetrad does
Four oscillators are frequency modulated against each other, and the tuning of each oscillator follows the chosen mode. A sidechain audio option bypasses the oscillators so that an external signal can be used as the sound source.
A quad granulator splits the signal into grains that are replayed in different ways, and four physically modelled plates provide drive and sound stage design. Three filter sections can be set to lowpass, band or highpass.
Key features
- Quad oscillator FM. Four oscillators can be frequency modulated against each other, with tuning arranged according to the chosen mode.
- Sidechain input. An audio sidechain option bypasses the oscillators, so any incoming signal can serve as the source.
- 4×4 matrix mixer. Four inputs are blended onto four busses, which sets how the quad signal path is distributed.
- Quad AM and granulator. Quad amplitude modulation offers depth and shape controls, and the granulator splits the signal into grains that are replayed in different ways.
- Plates and filters. Four physically modelled plates handle drive and sound stage design, and three filter sections offer lowpass, band and highpass choices.
- Modulation and MPE. Eight LFOs and envelopes feed a modulation matrix, with MPE velocity, slide, pressure and glide available as sources and MTS-ESP micro tuning supported.
Compatibility
Tetrad is available as VST3, AU and AAX for Windows and macOS, with native Apple Silicon support listed and Windows 11 as the minimum OS. The developer lists Ableton Live, Logic Pro, Pro Tools, Cubase, FL Studio, Reaper, Studio One and Bitwig as hosts.
Tetrad compared with similar plugins
Sines Synthesizer from Cherry Audio is an instrument for Windows and macOS in VST3, VST2, AU, AAX and Standalone formats. Skein from Glitchmachines is an instrument for Windows and macOS in VST3 and AU formats.
| Plugin | Developer | Type | Formats | Systems | Price |
|---|---|---|---|---|---|
| Tetrad | Physical Audio | Synth | VST3, AU, AAX | Windows, macOS | €79.34 |
| Sines Synthesizer | Cherry Audio | Synth | VST3, VST2, AU, AAX, Standalone | Windows, macOS | €32.73 (regular €48.59) |
| Skein | Glitchmachines | Synth | VST3, AU | Windows, macOS | €38.68 (regular €68.43) |
| Quad-2 | Rob Papen | Synth | VST3, VST2, AU, AAX | Windows, macOS | €48.59 |
| Quad | Rob Papen | Synth | VST2, AU, AAX | Windows, macOS | €48.59 |
Price and availability
Tetrad was listed on Plugin Boutique in October 2026 at €79.34. Prices change often, so the store page shows the current one.
Tetrad FAQ
Where can I download Tetrad crack for free?
Tetrad circulates as a crack and repack in VST3, AU and AAX builds for Windows and macOS, with the win/mac crack and .rar files most often named in searches.
Is there a working serial key or keygen for Tetrad?
A serial key or keygen is the string most often typed alongside the name, and the release is packed as .iso and .rar archives for distribution.