Snark SA1 9v Power Supply
The Snark SA-1 is a good alternative to using batteries in your guitar pedals and other effects. It is capable of powering up to 15 pedals simultaneously with the optional Snark SA-2 Daisy Chains (not included). It utilizes a proprietary Zero Hum Noise Filtering system for Silent Operation. It has a center negative pin, which means it is compatible with most guitar pedals on the market, including Boss, Ibanez, Digitech, Fulltone, and more.
Input: AC100-240V; 50-60Hz 0.1A
Output: DC 9V, 400ma