BOSS - AC-2 | Acoustic Simulator,BOSS AC-2 Acoustic Simulator,New Vintage Audio | IK Multimedia ToneX | Boss AC-2 Acoustic Simulator, Effects | A Flash Flood of Gear" alt="1999 Boss AC-2 Acoustic Simulator (Silver Label) Yellow > Effects | A Flash Flood of Gear" />1999 Boss AC-2 Acoustic Simulator (Silver Label) Yellow > Effects | A Flash Flood of Gear,Boss AC-2 Acoustic Simulator - one of Boss’s most misunderstood pedals,