Positive Grid BIAS X: AI-Powered Amp Modeling Replaces BIAS FX 2
Positive Grid’s BIAS X, launched in 2025 at $149, is the AI-powered successor to BIAS FX 2 featuring 33 amp models, 25 cabinets, 63 effects, dual signal chains, and groundbreaking text-to-tone and music-to-tone AI features. Trained on over 1 million tones and 200+ amplifiers, BIAS X’s agentic AI can create custom amp and effect presets from text descriptions or by analyzing audio, representing a paradigm shift in how guitarists interact with modeling software.
Positive Grid BIAS X Specifications
| Specification | Detail |
|---|---|
| Type | Plugin/Standalone Amp Modeling Software |
| Price | $149 USD (upgrade: $99 for qualifying owners) |
| Amp Models | 33 |
| Cabinets | 25 |
| Effects | 63 |
| Signal Chains | Dual |
| AI Features | Text-to-tone, music-to-tone |
| AI Training | 1 million+ tones, 200+ amps |
| Compatibility | macOS/Windows, Intel/Apple Silicon, plugin + standalone |
Text-to-Tone AI
BIAS X’s most revolutionary feature is text-to-tone: describe the guitar tone you want in natural language (“warm vintage clean with subtle chorus and spring reverb”) and the AI generates a complete preset matching your description. Music-to-tone analyzes an audio clip and creates a preset that approximates the guitar tone in the recording. These AI features are trained on a massive dataset of over 1 million tones, giving the system deep understanding of how different amp and effect combinations produce specific sounds.
Who Should Buy BIAS X
BIAS X is for guitarists who want the latest in AI-driven tone creation, existing BIAS FX 2 or Spark users eligible for the $99 upgrade price, and players who prefer software-based modeling for recording and practice. The dual signal chain and 63 effects provide ample processing for complex tones.
Related Amps & Gear
If you found this review helpful, check out these related articles:
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- Boss Katana Artist Gen 3: Flagship 100W Combo With Waza Speaker and Bloom Circuit
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Frequently Asked Questions
Does BIAS X replace BIAS FX 2?
Yes. BIAS X is the successor to BIAS FX 2, with new amp models, AI features, and improved DSP. Existing BIAS FX 2 licenses continue to work, but BIAS X represents the next generation of the platform.
See the Spark 2 for hardware, or browse all amp coverage.