Welcome to #IslandGuitar! We have many other guitars and related items for sale. Please search for #IslandGuitar. Type... Electric Guitar Effects Pedal Manufacturer... BOSS This is a BOSS OS-2. Pedal only. The COLOR control allows for smooth variation from overdrive to distortion. This allows for detailed sound creation, such as OD-leaning Dis or Dis-leaning OD. It's also convenient for beginners who are unsure which to buy, as it can do both. Each knob may have some slight scratchiness. Other than that, there are scratches and rust on the exterior, please check the photos. No price reduction. Output confirmed, sound change confirmed. The amount and details of the changes have not been confirmed. Returns are not accepted to prevent swapping. We will address initial operational defects. #OVER DRIVE #Overdrive #Distortion #EffectsPedal #Distortion系 (distortion-related) #IslandGuitar #sherpaxjr The BOSS OS-2 is an overdrive/distortion pedal that enriches the tone of your guitar. - Model Name: OverDrive/Distortion OS-2 - Color: Yellow - Power: 9V battery or AC adapter - Controls: LEVEL, DRIVE, TONE - Input/Output Jacks: Two 1/4 inch jacks Thank you.