The Roland/BOSS PSA-120 adapter converts AC wall current to 9 volts DC current. If you want to save money on batteries and ensure stable performance gig after gig, the is the recommended power supply unit for products including many BOSS compact pedals, the DB-66/88 metronomes, DR-Series drum machines, FC-Series foot controllers, MC-202, SH-101, SP-202, TR-626, and all TU-Series tuners. Capable of powering any Boss effect pedal, the Roland/BOSS PSA-120 can also power equipment with digital circuitry.


Roland/BOSS PSA-120 Features

• Capable of powering any Boss effect pedal, including those with digital circuitry.
  
• Converts AC wall current to 9 volts DC current. Power supply designed to operate a multitude of Boss and Roland products.
  
• Regulated with a higher milliamp rating for use with digital equipment.
  
• Output: DC9V (regulated), 500mA
  
• Tip negative, sleeve positive
• 3-meter cable
  
• Status light that flashes if there are grounding problems
  
• Small footprint (similar to a cell phone charger)

Read more...