Roland PSA-230IN S2 Power Adapter Overview:

The PSA series is the recommended power supply for products including all new BOSS Compact and Twin pedals, Multi-effects and more.

• 500 mA of current to easily power multiple pedals, even digital ones
  
• Power cable length is increased to almost 10 feet
  
• LED indicator for quick visual verification of on/off status
  
• New design which does not cover adjacent power outlets