Used Boss GP-10 Synthesizer Pedal

This Boss GP-10 is a powerful guitar processor that brings advanced modeling, effects, and alternate tuning capabilities into a compact, stage-ready unit. Designed to work with a GK-compatible pickup system, it delivers detailed amp models, realistic instrument simulations, and creative sound design tools that go far beyond standard multi-effects. The rugged Boss construction and straightforward interface make it equally comfortable on a pedalboard or in a studio setup.

Boss developed the GP-10 to give players deep tonal flexibility without sacrificing playability or sound quality. Its modeling engine allows access to alternate tunings, virtual guitars, and synth-like textures with impressive tracking and clarity, all while keeping latency low and response natural. This makes it especially appealing for guitarists who want to cover a wide range of sounds live or explore new creative directions without constantly swapping instruments.

This unit has been tested thoroughly in store to ensure it is functioning properly. Please take a close look at the listing photos, as minor cosmetic wear or small imperfections may not be fully detailed in the description. We buy, sell, and trade used gear every day, so feel free to reach out if you are interested in trading, upgrading, or adding this processor to your setup.