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About Fractal Audio Systems










AM4-Edit is a free editor for the AM4. It lets you edit and manage your AM4 from a connected Mac or PC through an intuitive visual interface. Whether you’re dialing in amps or effects, building scenes, organizing presets or managing user cabs, AM4-Edit streamlines the process, helping you get the most out of your unit. It even includes bonus features not available on the AM4 itself, such as Block Library, Channel Copy, Scene Swap, and more. You can download AM4-Edit for Mac or Windows below.
AM4-Edit for Windows (64-bit).exe file – March 20, 2026 – Version 1.00.04 NOTE: AM4-Edit for Windows requires the AM4 USB Driver. IMPORTANT: If you get the error “MSVCP140.dll is missing” please install the MS Visual C++ Redistributable Update. A 32-bit version of AM4-Edit is available here. | Download | |
AM4-Edit for Mac OS XMarch 20, 2026 – Version 1.00.04 | Download |
Firmware v2.00Mar 20, 2026 – Firmware for the AM4. All AM4 DynaCabs™ are preinstalled. The complete DynaCab file is also provided for separate download. IMPORTANT: Always back up your Presets and System using Fractal-Bot built into AM4-Edit before updating firmware | Download | |
AM4 Factory PresetsNovember 24, 2025 | Download |
Windows USB Driver for AM4 & VP4Executable – May 7, 2025 | Download | |
No Driver is required for Mac OS XConnect the AM4 via USB and it will appear |
Fractal-Bot for WindowsVersion 3.00.24 – November 24, 2025 – (.exe file) | Download | |
Fractal-Bot for OS XVersion 3.00.24 – November 24, 2025 – (.dmg file) | Download | |
Fractal-Bot ManualVersion 2.9 – Mar 22, 2018 (.pdf file) | Download |
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