: Includes a stompbox section with a noise gate, a screamer emulation, and a focus enhancer to tighten the signal before it hits the amp.
: Features a 3D cab section with 12 built-in IRs by SeaCow Cabs. It also includes an IR loader with a "favorites" slot for quick access to your own impulse responses. Audio Assault SI6MA (Win a Mac a Linux)
: Modeled after a modern high-gain "monster" (and reportedly a customized Marshall Plexi in some contexts), it delivers everything from fat overdriven cleans to face-melting lead tones using a single gain knob. : Includes a stompbox section with a noise
: It is available as a standalone app or as a plugin (VST, VST3, AU, AAX) for all major DAWs. Linux users can run it as a Jack Audio APP or LinuxVST . User Experience and Value : Modeled after a modern high-gain "monster" (and
While it excels at high-gain "chugs," some users suggest taming specific resonances around 120Hz or the 500Hz-1kHz range with external EQ for the best mix results.
The (often stylized as Sigma) is a versatile high-gain amplifier simulator designed for guitarists seeking aggressive, modern metal tones across multiple operating systems, including Windows , macOS , and Linux . Known for its punchy low end and clarity, it has evolved through several iterations, including SI6MA V2 and SI6MA EX, to offer a complete "all-in-one" metal guitar suite. Key Features and Performance