Check the listing for details. BOSS PSA-120S 9V Power Supply. Condition: New. Listed at 29.99 USD. Boss PSA-120S Power Supply for Effects Pedals Description The Boss PSA-120S Adapter is specially designed to provide perfect power to all Boss metronomes, tuners, and compact pedals. Power cable length has been increased to almost 10 feet for more versatility, and the PSA-120S now features LED indicator for quick visual verification of on/off status. Newly redesigned plug does not cover adjacent power outlets. 9.6V DC 500mA, barrel connector, reverse polarity. Features New generation power supply for todays digital instruments500 mA of current to easily power multiple pedals, even digital onesPower cable length is increased to almost 10 feetLED indicator for quick visual verification of on/off statusNew design that does not cover adjacent power outlets Attributes Color (X): BlackType (X): Power AdapterModel Name (X): PSA-120S