Zuma R300 is the highest horsepower, most technologically advanced low profile effects pedal power supply. You get clean, rock-steady power for your 9V, 12V and 18V effects pedals in a pedalboard friendly, expandable package, giving you room to grow. Zuma R300’s ultra-low profile design means that it can fit under just about any pedalboard.

Dual-stage topology, pre-regulated outputs, optically isolated feedback, and advanced multistage filtering result in a power supply that allows your pedals to achieve their highest possible dynamic range.

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

Delivers a maximum of 36W

5 pedal cables included (5.5mm x 2.1mm barrel connectors, right angle to right angle, 18″ length)

IEC cable included

24V Thru jack allows connection to Strymon Ojai or Ojai R30 (sold separately)

Free 3-Year Warranty

In addition to the standard included manufacturer warranty, virtually all new products carry our exclusive, industry-leading, absolutely free Sound Pure 3-Year Warranty, which includes parts and labor. It's our way of adding real value to the personal touch our small, dedicated team brings to every purchase.

Coverage exclusions live in Terms & Conditions, Section 27. Read the warranty →