Tight drive, lethal bite
RAIJU
From ultra-tight modern rhythm drive to fuller vintage grind, RAIJU is the perfect overdrive your amp needs.
TIGHT DRIVE, LETHAL BITE
Filters
Pre or post HPF and LPF, so you can shape the signal exactly where it matters.
Align
Polarity flip and sub millisecond timing control for precise phase shaping.
Blend it
One knob for instant parallel processing.
Shortcuts
Finally, shortcuts inside a plugin. Move through your session faster.
CPU friendly
Built for big sessions, keeping things smooth even when the plugin count gets ridiculous.
Explore RAIJU

Use cases
Tech that removes fear
Track through it. Mix with it. Perform live with it. No lag, no compromise.
RAIJU is efficient by design: high impact but low overhead. Big sessions stay fast and smooth, so you can finally bid those 'System Overload' playback errors farewell.
Install. Authorise offline. Done. Keep working with no interruption, no gimmicks and no internet checks. Once it's yours, it's yours forever.
Full features are available in Trial Mode (with infrequent silences), so you can decide with confidence before you buy.
Put your mouse on notice and keep your hands where it matters, on the keys. Full shortcut support, so your workflow doesn't lose its flow.
£30, Yours forever
Perpetual licence, free updates, three activations.
Founders Club £23
Displayed price includes VAT and applicable sales taxes.
FAQ
RAIJU is a zero-latency pedal-shaped saturator built for tight drive, bite and mix-ready control. It features DRIVE, MODERN and VINTAGE modes, BITE, LEVEL, filtering around the drive stage, parallel blend, polarity flip, delay alignment, stereo or dual-mono operation, and final limiter modes for controlled or aggressive output finishing.
We provide VST3, Audio Unit, and AAX formats for MacOS, VST3 and AAX for Windows. Any DAW that supports these formats will work with them, for example: Logic Pro, Pro Tools, Ableton Live, Cubase, Studio One, FL Studio, Reaper.
RAIJU is fully native for Apple Silicon chips (M1, M2, M3 etc) as well as Intel Macs. No Rosetta required, but it's also compatible with Rosetta.
Mac: macOS 10.13 or higher (Intel or Apple Silicon).
Windows: Windows 10 or 11 (64-bit).
General: 2GB RAM required, 30MB free disk space.
Windows: Windows 10 or 11 (64-bit).
General: 2GB RAM required, 30MB free disk space.
Each licence includes up to three simultaneous activations per user. This could be your main studio machine, a laptop, and a third rig. We understand that modern production often means working across multiple machines, so we're doing our bit to have your tools available wherever you need them.
Of course, you can download a trial from our Downloads page. The trial version has all features of the full version, but inserts a short infrequent silence so you can decide with confidence before you buy.
NEVER. We believe in perpetual licence and we like to work uninterrupted. So as long as fedDSP will be a company, your perpetual licence will receive unlimited free updates.
You can read the full User Manual here.