Used Gear Hunter
Used BOSS GT 100 Multi Effects for sale
2 listings from 2 marketplaces, refreshed continuously.

Cheapest right now
£33
9V Ac Adapter Power Charger For Boss/Roland Psb-1U Psb1U Effect Pedal And Boss Roland Gt-10 Gt-10B Bcb-60 Multi-Effects Guitar, 6Ft Cable Power Supply Cord
ReverbMint
Market price history
Median sold price · 2026-08-22 → 2026-10-30Min £33 · Max £297