Boss PSA-230S 9V 500mA Power Adapter

The Boss PSA-230S 9V 500mA Power Adapter is the standard, reliable power supply designed to deliver clean, stable power to a wide range of Boss compact pedals, multi-effects units, and other compatible 9V DC devices. Engineered for consistent performance, it provides a regulated 9V output with sufficient current headroom to ensure quiet operation and optimal pedal response.

Featuring a center-negative 2.1 mm barrel plug, the PSA-230S works seamlessly with the majority of Boss and Roland effects. Its efficient design minimizes noise and hum, making it a dependable choice for both studio and live environments. The adapter’s durable build quality ensures long-term reliability, while its compact form factor makes it easy to integrate into any pedalboard setup.

Ideal for powering individual pedals or, when used with a daisy-chain cable (not included), multiple low-draw effects, the PSA-230S remains a trusted, industry-standard solution for musicians seeking safe and consistent power delivery.