Here fr sale Boss AC-3 Acoustic Simulator guitar pedal. It's in very good condition and comes as pictured. This new-generation compact pedal employs COSM modeling technology to transform any electric guitar into a variety of beautiful acoustic guitars. BOSS’s most advanced acoustic-guitar modeling in a compact pedal Four simulation modes: Standard, Jumbo, Enhanced, and Piezo-equipped Top and Body knobs for fine-tuning the virtual-body resonance Built-in reverb, optimized for acoustic-guitar simulation.