Martinic AXFX AAX/AU/CLAP/VST plugin for 8 effect blocks is based on the “external” effects of our flagship AX73 synthesizer. AXFX lets you use these 8 versatile, 1980s-style effects on any synth, guitar, vocal, or other audio source. AXFX includes over 100 presets designed by renowned sound designers such as Daniel Stawczyk, Charis Linos and Solidtrax.