Used Darkglass Harmonic Booster Bass Preamp Bass Effect Pedal

Used Darkglass Harmonic Booster Bass Preamp/Effect Pedal in great condition, delivering rich harmonic enhancement, clean gain, and studio-grade EQ for shaping your tone with clarity and punch. Features Level, Blend, Bass, Mid, and Treble controls plus a built-in high-pass filter for tighter low end. Rugged compact enclosure with standard 1/4" input/output, true bypass switching, and 9V DC power operation—perfect for adding warmth, presence, and definition to any bass rig.