PreSonic
The Modern "Barn Door" Upgrade.
Drop-In Fit. Studio Tone. Zero Feedback.
Stop fighting your old preamp. The PreSonic System is the professional drop-in solution for aging Fishman units. We engineered a modern, analog preamp that drops directly into your guitar's existing footprint—no wood cutting, no messy modifications, and no plastic adapter plates required.
View Compatibility Chart
| SmallPrefix Pro / Aura Pro | MediumPresys / Presys+ | LargeOriginal Prefix / Plus-T | |
|---|---|---|---|
| Replaces | • Prefix Pro • Prefix Pro Blend • Aura Pro | • Presys / Presys+ • Presys Blend • Fishman Classic 4 | • Prefix (Original) • Prefix Plus-T • Stereo Blender |
| Visual Check | 4 Sliders. Faceplate says "Pro". | Rotary Knobs. Compact rectangular unit. | 2 Large Knobs at Top. Does NOT say "Pro". |
Still unsure? Use our Interactive Model Finder →
