Andoer DC-CORE10 Ten Isolated Outputs Compact Portable Mini Power Supply for 9V 12V 18V Guitar Effect Pedal With 10 isolated outputs - 8 for 9V pedals, the rest for 12V & 18V respectively. Compact and portable design, easy to carry along. Rugged steel casing?durable and sturdy. Comes with an AC adapter and 10 connecting cables. Easy operation, no need of complicated installation.