Simplifier Bass Master
The ultimate analog preamp for bass, engineered for every style and situation.

The DSM & Humboldt Simplifier Bass Master is the result of years of research into what truly makes a great bass tone. Every element—from preamp design to cabinet simulation—was optimized to deliver clarity, punch, and character across a wide range of playing styles.

NEW PREAMP MODES

A highly versatile preamp featuring three distinct modes:

• Clean – Pure, transparent tone with full low-end fidelity
• Comp – Integrated compression for tight, controlled response
• Hot – Extra gain and presence for aggressive playing

Additional features include a parallel signal mix with low-pass filter options to enhance low-end feel and response, plus a 4-band EQ, giving you tonal flexibility that other bass preamps can only aspire to.

NEW CAB SIM

The Bass Master includes a refined cabinet simulation section designed for realistic bass response, delivering a natural, full-bodied tone whether running direct or through an amp.

MAIN FEATURES

• Dual FX loops – Pre-FX loop and Main FX loop for maximum routing flexibility
• Extensive connectivity – Designed for practical, flexible setups in both live and studio environments
• Ultra-versatile tone shaping – Combines preamp modes, EQ, and cab simulation in a compact, pedalboard-ready design