The used VERTEX Vertex Ultra-Phonix HRM Effect Pedal delivers dynamic Dumble-style overdrive tones in a compact, pedalboard-friendly design. In excellent condition, this pedal features controls for Gain, Level, Tone, and HRM EQ to shape your ideal sound. Inspired by the rare amp mod, the Ultra-Phonix HRM offers touch sensitivity, rich harmonics, and enhanced midrange character, making it perfect for blues, rock, and fusion players seeking boutique-quality tone in a rugged, road-ready unit.