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Power your pedals with Ojai R30—the 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 R30’s dual-stage topology, pre-regulated outputs, optically isolated feedback, and advanced multistage filtering allow your pedals to achieve their highest possible dynamic range.

• 5 individual custom transformers (one per channel) deliver clean, consistent power
• Worldwide power compatibility ensures no-hassle international touring
• Energy efficient, compact design
• Lightweight and rugged anodized midnight blue aluminum chassis
• Ultra low profile design fits under nearly any pedalboard

Dual isolation.

Zuma R300’s all analog circuitry offers two stages of isolation, completely eliminating ground loop and AC line noise issues.

Your pedals sound like they were designed to sound!


Ultra-Low Profile.

Zuma R300’s ultra-low profile design means that it can fit under just about any pedalboard.

With built in threaded hardware, mounting to your board is simple.


Never run out of outputs.

Have a growing rig? Zuma R300 is part of an expandable system.

Add more outputs by connecting a Strymon Ojai or Ojai R30 with the 24V Out jack.


12V and 18V option.

Do you have a pedal that requires 12V or 18V? Zuma R300 has you covered.

One channel has selectable 9, 12, or 18V output voltages.


World tour ready.

Playing gigs all around the world? No need to purchase separate power supplies for your international tour.

Zuma R300 has automatic worldwide power compatibility built-in.

Whether you’re on 120V, 240V, 100V, or any variation in between, Zuma R300 will deliver clean, reliable power to your pedals.


Strymon Zuma R300 Power Supply Features:

• 5 high-current, fully isolated outputs with center-negative polarity.

• 4 dedicated 9V outputs (500mA).

• 1 adjustable output offers 9V (500mA), 12V (375mA), or 18V (250mA) DC options.

• 500mA per 9V output powers nearly any pedal.

• 5 pedal cables included.

• IEC cable included.

• 24V Thru jack allows connection to Strymon Ojai or Ojai R30.

• Dimensions: 7.25" x 3.5" x 1.18".

• Weight 0.9 lbs.

Strymon Ojai R30

This item is available to order. Contact us for an estimated delivery time.
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