The Simplifier is an analog preamp with three classic preamp options: AC BRIT for a sparkly AC30 sound, AMERICAN for a balanced blackface deluxe sound, and MS BRIT for a vintage plexi-style amp tone. It features a genuine passive preamp tone stack and a power amp simulation that replicates tube amp response. The stereo cab sim offers customisable cabinet simulations with adjustable mic positioning. The spread control adds pseudo stereo imaging for a wider sound.