STR-X Free Guitar Amp Head Plugin

STR-X Free Guitar Amp Head Plugin

STR-X is a free guitar amp VST plugin by Strix Audio, featuring a one-knob pedal-style distortion, pre- and power amplifier gain stages, as well as a custom tone stack.

The STR-X was built to be a simple but powerful, digitally-oriented guitar amp, one which isn’t based on any pre-existing analog models. Tonally, it is capable of high gain, modest crunch, and cleaner tones with some added heat.


  • The “Mode” control in the center of the amp changes the crossover point that feeds the pre-amp distortion (after the “X” pedal-style distortion).
  • “X” knob works like a one-knob distortion pedal (inspired by the Ibanez Tube Screamer).
  • “Gain” is the pre-amp drive section, ranging from not-quite-clean to a heavy wall of distortion.
  • “Master” knob provides the output gain of the amp, with added distortion as well.

STR-X is available in VST/VST3 plugin formats for DAWs on Windows and macOS.

Supported platforms & download

Windows | macOS

Arboreal Audio

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