GP-20 Amp Factory


2 in stock

SKU: Gp-20 Category: Tag:


Boss GP-20 Amp Factory


Hear directly from the source about the Boss GP-20 Amp Factory:

The GP-20 Amp Factory offers a variety of incredible COSM Guitar Amp models designed for live performance or recording—22 in all. Thanks to its simple knob-based controls, two-channel operation, and ability to model the best amps ever made, the brilliant GP-20 is a tonal monster for live or studio applications.

  • COSM Amp Modeling pedal with 22 killer amp models
  • 2-channel operation (Manual/Memory) plus Bypass turns any guitar amp into a 3-channel amp
  • Output Select switch for connection to guitar amps or line-level systems
  • 5 onboard speaker cabinet simulations plus digital output for recording


Learn about Coffey Music!

Coffey Music is an independently owned and operated full service music store located directly on Main Street in Westminster, MD. We have been serving Carroll County Maryland since 1984 and in that time have grown to become Carroll County’s largest and best music store!


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