BOSS PSA Power Supply (PSA Series)

The BOSS PSA Power Supply is the industry-standard adapter designed for use with all modern BOSS Compact and Twin pedals, multi-effects units, and other compatible gear. Offering stable 9V DC output with 500 mA of current, it provides clean, reliable power for even the most demanding digital pedals.

Compact, efficient, and built for durability, the PSA series ensures your pedalboard runs quietly and consistently—gig after gig.

Reliable Power for Every Pedalboard

Trusted by musicians worldwide, the PSA series delivers steady voltage and low-noise performance, ensuring your effects pedals operate at their best. Its high-current output allows you to power multiple pedals simultaneously with optional daisy-chain cables, making it the perfect solution for both stage and studio setups.

• 9V DC regulated output

• 500 mA current handles multiple pedals easily

• Ideal for all BOSS Compact, Twin, and Multi-Effects pedals

Designed for Convenience and Longevity

The latest PSA design includes several enhancements for modern pedalboard setups. The 10-foot power cable provides extended reach, while the slim profile plug avoids blocking adjacent outlets. An integrated LED indicator lets you confirm power status at a glance.

• Extra-long cable (almost 10 feet) for flexible placement

• LED power indicator for quick visual confirmation

• Slimline design won’t obstruct nearby sockets

Built for Professional Use

Backed by BOSS’s renowned reliability, the PSA power supply is engineered for years of dependable use. Its rugged construction, quiet operation, and consistent voltage regulation make it the trusted choice for powering professional effects rigs.

• Low-noise operation ensures clean signal performance

• Rugged build quality with BOSS reliability

• Compatible with daisy-chain cables (sold separately)

Key Features

• Official BOSS 9V DC power supply

• Provides 500 mA of current—powers multiple pedals

• Works with Compact, Twin, and Multi-Effects units

• Extended 10 ft cable for maximum flexibility

• LED indicator confirms power on/off status

• Compact design keeps outlets clear

• Ideal for stage, studio, or home pedalboards