The Boss PSM-5 Power Supply & Master Switch is a vintage Made in Japan utility pedal designed to combine pedalboard power distribution with convenient master bypass switching. Produced during the classic red label era, the PSM-5 became a practical solution for players using multiple compact effects pedals in live and studio setups.
The unit allows several compatible Boss compact pedals to be powered from a single adapter connection while also functioning as a master on/off switch for an effects chain. Its send and return loop configuration makes it possible to engage or bypass connected pedals simultaneously, helping to simplify pedalboard operation and reduce cable clutter.
Built in the durable Boss compact pedal enclosure, the PSM-5 is valued for its reliability, straightforward functionality, and importance in the development of early integrated pedalboard systems. Vintage Made in Japan examples are particularly appreciated by collectors and users assembling period-correct Boss pedal setups.
Please review the photos carefully to assess the signs of use and included accessories. All photos are of the actual products. No accessories are included unless photographed and/or named.
This product runs on 9 volt DC.
This is a used product.
