In the words of Strymon:

Power 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.