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.

The PSA-120S is the recommended power supply for products including BOSS Compact and Twin pedals, ME-50/-20/-20B Multi-effects, the DB-66/-88/-90 metronomes, DR-Series drum machines, FC-Series foot controllers, MC-202, SH-101, SP-202, TR-626, and all TU-Series tuners.