BOSS PS-2 Digital Pitch Shifter Delay Guitar Effects Pedal used | eBay,NPD- BOSS PLAYSTATION 2 DIGITAL PITCH SHIFTER/DELAY : r/guitarpedals,BOSS PS-2 Digital Pitch Shifter / Delay Demo, Effects | A Flash Flood of Gear" alt="1990 Boss PS-2 Digital Pitch Shifter/Delay (Blue Label) Blue > Effects | A Flash Flood of Gear" />1990 Boss PS-2 Digital Pitch Shifter/Delay (Blue Label) Blue > Effects | A Flash Flood of Gear,Boss PS-2 Digital Pitch Shifter / Delay Guitar Effect Pedal