Used Gear Hunter

Used Gear Hunter

Used BOSS GP 20 AMP Factory for sale

2 listings from 2 marketplaces, refreshed continuously.

Boss GP 20 amp factory

Cheapest right now

£59

Boss GP 20 amp factory

Mercatino Musicale
View listing Details on UGH

Market price history

Median sold price · 2026-07-20 → 2026-10-14Min £59 · Max £100
£59£80£100

Available at

Current BOSS GP 20 AMP Factory listings

Boss GP 20 amp factory

Boss GP 20 amp factory

£59Mercatino Musicale
Boss GP-20 Amp Factory Guitar Amplifier & Speaker Cabinet Simulator Pedal (Pre-Owned)

Boss GP-20 Amp Factory Guitar Amplifier & Speaker Cabinet Simulator Pedal (Pre-Owned)

£100Music Vault

UK