Boss PSA-120 9-Volt AC Adapter

The PSA series is the top - pick power supply for various BOSS products such as Compact and Twin pedals, ME - 50/-20/-20B Multi - effects, DB - 66/-88/-90 metronomes, DR - Series drum machines, FC - Series foot controllers, SP - 202, and all TU - Series tuners. It's a new - generation power supply designed for modern digital instruments. With 500 mA of current, it can easily power multiple pedals, even digital ones. The power cable is nearly 10 feet long. There's an LED indicator to quickly check the on/off status. Its new design won't cover adjacent power outlets.

Using this Boss PSA - 120 9 - Volt AC Adapter is easy. First, connect the adapter to a power outlet. Then, plug the other end into your compatible BOSS product. You can tell if it's working by looking at the LED indicator. When using it to power multiple pedals, make sure the total power consumption doesn't exceed the 500 mA limit. As for maintenance, keep it in a dry place and avoid bending the power cable too much. If you're not using it for a long time, unplug it from the power outlet to save energy and protect the adapter.