Used Gear Hunter
Used USED Harmonic Booster BASS Preamp for sale
2 listings from 2 marketplaces, refreshed continuously.
Cheapest right now
£26
Used HARMONIC BOOSTER BASS PREAMP Bass Pre-Amp Pedal
Music Go RoundKettering, OH, USA
Market price history
Median sold price · 2026-10-05 → 2026-10-07Min £26 · Max £113
Available at
Current USED Harmonic Booster BASS Preamp listings
Darkglass Electronics Harmonic Booster Clean Bass Preamp
£113Chicago Music Exchange
Chicago, IL, USA
Price drop