Used Gear Hunter

Used Gear Hunter

Used BOSS GM 800 Guitar Synthesizer for sale

2 listings from 2 marketplaces, refreshed continuously.

Boss GM-800 Guitar Synthesizer Pedal 657

Cheapest right now

£419

Boss GM-800 Guitar Synthesizer Pedal 657

AndertonsGuildford, UK

View listing Details on UGH

Market price history

Median sold price · 2026-07-13 → 2026-10-07Min £419 · Max £425

Available at

Andertons
1 listing
£419
Cheapest
Long & McQuade
1 listing
£425
Cheapest

Current BOSS GM 800 Guitar Synthesizer listings

Boss GM-800 Guitar Synthesizer Pedal 657

Boss GM-800 Guitar Synthesizer Pedal 657

£419Andertons

Guildford, UK

BOSS - GM-800 Guitar Synthesizer

BOSS - GM-800 Guitar Synthesizer

£425Long & McQuade

Brampton, Ontario