Boss PSA-230S 9V 500mA Adapter

The Boss PSA-230S is the official 9V DC power supply designed for Boss compact pedals and many other compatible guitar effects. Delivering 9V at 500mA, it provides clean and reliable power, ensuring your pedals perform at their best without unwanted noise or signal interference. Its regulated and stabilized design makes it a trusted choice for both home and stage setups.

Equipped with a standard center-negative barrel connector, the PSA-230S is compatible with the entire range of Boss compact pedals, multi-effects units, and a wide variety of other brands using the same specifications. Designed for European mains power (230V input), it eliminates the need for batteries and supports consistent, uninterrupted performance during rehearsals, gigs, or studio sessions.

Compact, lightweight, and built for durability, the Boss PSA-230S remains the recommended and most reliable power solution for Boss pedals.