The Boss PSA-240 Power Adapter is the official power supply recommended for all BOSS pedals and multi-effects. Designed for modern digital instruments, it provides a stable 9V DC, 500mA output—enough to power multiple pedals at once with consistent, noise-free performance.

Its centre-negative design ensures compatibility with standard Boss pedalboards, while the 10-foot extended power cable offers extra flexibility for any setup. The LED indicator instantly shows power status, and the compact form factor keeps other outlets accessible.

Manufactured in Malaysia, the PSA-240 maintains Boss’s renowned reliability and quality.

Features

• Recommended for BOSS pedals and multi-effects
• 9V DC, 500mA output powers multiple pedals, including digital ones
• Centre-negative polarity for easy pedalboard integration
• Extended 10-foot cable for flexible stage or studio setups
• LED indicator for quick visual power verification
  
• Made in Malaysia for dependable quality assurance

Specs

• Output: 9V DC, 500mA (regulated)
• Polarity: Centre negative
• Cable Length: Approx. 10 ft (3 m)
• Input Voltage: 100–240V AC (auto-switching)
• Connector Type: Barrel plug
• Indicator: LED power light
• Compatibility: All BOSS Compact & Twin pedals, Multi-effects, Metronomes, Drum Machines, and Foot Controllers