Bogren Digital Ampknob RevC (ESD); guitar amp simulation; based on the iconic Californian high-gain amp with “diamond plate” front from the early 2000s; delivers aggressive, punchy distortion with clear definition and fast response; internal boost adds input gain and tightens low-end; one-knob control for instant, ready-to-play tones without setup; two matched cabinets recorded at Fascination Street Studios; supports loading of custom impulse responses; cabinet simulation can be fully bypassed; IRDX technology models the dynamic behavior of real speakers; standalone version includes built-in riff recorder, programmable metronome with tempo and time signature changes, and precision tuner; user interface reduced to essential controls for distraction-free workflow