Strymon Ojai R30 Power SupplyPower your pedals with Ojai R30the highest horsepower, most technologically advanced effects pedal power supply of its size. You get clean, rock steady power for your 9V, 12V and 18V effects pedals in a low profile, expandable package, giving you room to grow. Ojai R30s dual stage topology, pre regulated outputs, optically isolated feedback, and advanced multistage filtering allow your pedals to achieve their highest possible dynamic range. 5