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 BOSS PSA-120 adapter is the recommended power supply unit for products including many BOSS compact pedals, the DB-66/88 metronomes, 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
-Status light that flashes if there are grounding problems
-Small footprint (similar to a cell phone charger)