This pedal let's you transform any electric into an acoustic guitar with the help of Boss COSM technology. Along with 4 natural sounding acoustic models, the Boss Acoustic Simulator lets you shape the booming bottom with the Body control and the bright, percussive end via the Top control. Plus, built in Boss reverb adds a more spacious environment and sense of realism to the AC-3's acoustic tones. The Boss AC-3 Acoustic Simulator can also tackle a number of stage or studio configurations by using the line out for sending to a PA/mixer, soundcard or separate amp while a dedicated guitar amp output preserves your guitar's natural tone. 

GREAT for that gig where you only have one acoustic song... better than lugging around a second guitar

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