BASS MASTEROVERVIEW Our new Simplifier Bass Master is the culmination of years of research over the different factors that interact to get a superlative bass tone for the most ample range of styles and situations. Learn More NEW PREAMP MODES A super versatile preamp with 3 modes (Clean, Comp, and Hot), a parallel signal mix with low pass filter options for improving the low end feel and response, and a 4-band equalizer makes it an extremely versatile and capable tool, getting tones other bass preamps would dream of. Learn More NEW CABSIM Our new Simplifier Bass Master is the culmination of years of research over the different factors that interact to get a superlative bass tone for the most ample range of styles and situations. Learn More MAIN FEATURES DSM Humboldt pedals are known for their extremely flexible connectivity and practicality, and the Bass Master is not an exception: it brings Dual FX loop with pre-Fx loop and Main Fx loop.