Used Darkglass Harmonic Booster Clean Bass Preamp Effect Pedal

Used Darkglass Harmonic Booster Clean Bass Preamp delivers studio-grade tone shaping in a compact pedal, perfect for adding clarity, punch, and harmonic richness without unwanted grit. In good condition, it features a clean preamp circuit, active Bass, Mid, and Treble EQ with selectable mid frequency, plus Level and Drive controls for subtle warmth and enhanced presence. Standard 1/4" in/out and 9V DC power keep it pedalboard-friendly and gig-ready.