Boss AC-3 Acoustic Simulator Pedal

In great condition, works perfectly. 

Featuring precise COSM modulation with four acoustic modes and a compact size, the Boss AC-3 Acoustic Simulator provides an easy solution for achieving acoustic tones without the hassle of bringing another guitar to the gig. Based on the design of the Boss AD-8, the AC-3 is designed to save on pedalboard space and money to boot.