Specimen 888
BIAS X
Note
BIAS X launched in September 2025 as the successor to the discontinued BIAS FX 2, with an AI-assisted tone engine that can build a rig from a text prompt or an uploaded guitar clip. Positive Grid's own product page lists it at $149 one-time.
Specifications
- VST3/AU/AAX + standalone
- perpetual licence (one-time purchase)
- macOS / Windows
- 33 AI-modelled amp models, 100+ effects and pedals
- Text-to-Tone and Music-to-Tone agentic AI tone building
- Guitar Match; new cab engine built with Spectre Digital
- v1.2 (Jan 2026) added MIDI control and host automation
