The MXR Iso-Brick Power Supply offers up 10 isolated outputs for a swath of voltages and power draws in a pedalboard-friendly size. This noise-free PSU is fully isolated, eliminating any worry you might have about cleanliness of the power in a venue or rehearsal space. With six 9V outputs (two at 100mA, two at 300mA, two at 450mA), two 18V 250mA outputs, and a pair of variable voltage outputs that swing from 6-15V, the Iso-Brick provides clean, safe power for all the pedals on your board...unless you've got more than ten.