BIAS FX
BIAS FX is a professional guitar amp and effects processor plugin from Positive Grid, widely used by guitarists and producers in studios, live settings, and home recording rigs. It provides hundreds of high-quality amp models and effects (distortions, reverbs, delays, modulations and more) with a drag-and-drop interface for designing custom tone chains. The plugin integrates with BIAS AMP 2 for customising amp models and works as an AU, VST, or AAX plugin across macOS and Windows DAWs including Logic Pro, Ableton Live, Reaper and Pro Tools.
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1 suggestionPositive Grid shipped a native Apple Silicon build of BIAS FX 2 starting with version 2.7.0, released in November 2023, so if you are still running an older Intel-only build under Rosetta you will see a noticeable performance lift and lower CPU overhead after updating. Open BIAS FX, go to Help (or the app menu) and select Check for Updates, or visit Positive Grid's website to download the latest installer directly. Once installed, your existing presets and tone library settings will carry over automatically. The native build is now the standard download—you do not need to opt into a beta channel or take any special steps.
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