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Based on price data from 6 merchants for "Strymon Zuma R300". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
Introducing the Strymon Zuma R300, a high-powered, technologically advanced low-profile effects pedal power supply that musicians worldwide swear by. This compact yet powerful gadget provides clean, reliable power for your 9V, 12V, and 18V effects pedals, ensuring your pedalboard is never out of juice.
The Strymon Zuma R300 is the epitome of sleek, practical design. Its ultra-low profile allows it to fit under almost any pedalboard, preserving your setup's aesthetic while staying conveniently within reach.
What sets the Zuma R300 apart is its sophisticated technology. It features dual-stage topology, pre-regulated outputs, optically isolated feedback, and advanced multistage filtering. This means your pedals can achieve their highest possible dynamic range, elevating your performance to new heights.
But the Zuma R300 isn't just a powerhouse. It's also expandable, capable of growing with you and your gear. With a 24-volt thru jack, you can add additional Strymon Ojai 5-output power supplies to your board as your needs evolve.
Key Features:
- High-powered, technologically advanced low-profile effects pedal power supply
- Provides clean, steady power for 9V, 12V, and 18V effects pedals
- Ultra-low profile fits under almost any pedalboard
- Features dual-stage topology, pre-regulated outputs, optically isolated feedback, and advanced multistage filtering
- Expandable with a 24-volt thru jack for adding additional Strymon Ojai 5-output power supplies
- Includes 5 pedal power cables: 2.1mm barrel connectors, right angle to straight, center negative
- Tour-tough aluminum chassis for durability
- All-analog circuitry with 2-stage isolation for noise-free performance
- Switchable 9/12/18-volt outlet (375mA @12V, 250mA @18V) for versatility
- Made in USA
Product specs
| Available since | January 2018 |
| DC/AC current | DC |
| Output current in mA | 2500 mA |
| 9 V | Yes |
| 12 V | No |
| 18 V | No |
| Secondary voltage | No |
| Multi-output power supply | Yes |
FAQs
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Does the Strymon Zuma R300 provide isolated power outputs for pedals?
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Yes, the Strymon Zuma R300 features dual isolated power outputs, which help eliminate ground loop and AC line noise, ensuring clean power for your pedals.
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Can the Strymon Zuma R300 power both 9V and 18V pedals?
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The Strymon Zuma R300 is designed to provide 9V power to your pedals. It does not support 12V or 18V outputs.
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Is the Strymon Zuma R300 compatible with Pedaltrain pedalboards?
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Yes, the Strymon Zuma R300 is designed to fit under most Pedaltrain pedalboards, including the Nano and Metro series, using VELCRO® or Dual Lock™ for easy mounting.
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How many pedals can the Strymon Zuma R300 power simultaneously?
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The Strymon Zuma R300 has five isolated outputs, allowing you to power up to five pedals at once with a total current capacity of 2500 mA.
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What is the physical size of the Strymon Zuma R300?
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The Strymon Zuma R300 measures 7.25 inches by 3.5 inches by 1.18 inches, making it a compact and low-profile power supply option for pedalboards.
Videos
스쿨뮤직 TV
스쿨언박싱 - Strymon Zuma R300 스트라이몬 주마 초슬림 파워서플라이
Reviews
PROS
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Lightweight and compact design
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Fits under pedal boards easily, including Metro16
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Includes mounting screws and drill template for easy installation
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Versatile with voltage select for higher power needs
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Expansion socket for adding more units
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High build quality with aluminum and great finish
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Provides silent power, eliminating noise in the signal path
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Can power multiple pedals, enhancing sound quality
CONS
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Some units may have unreliable power cable seating
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Customer service attributed issues to user error despite frequent returns indicating a potential design flaw
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Strymon Zuma R300.
Features and functionality
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The Zuma R300's back-side power input can complicate placement; an angled power cable can help address this issue.
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The Zuma offers internal AC/DC conversion tailored for optimal power delivery, designed in-house, unlike the Ojai's generic external adapter.
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The Zuma's 48 watts can power CIOKS 4 and 8 extensions, enhancing its versatility compared to the Ojai's 24 watts.
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Setup and maintenance
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Current doubling cables are recommended for powering high-draw pedals like the HX Stomp with the Zuma.
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Comparisons
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The Strymon Zuma is noted for its robust power cables compared to CIOKS, which some find too thin.
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The DC7 is praised for its flexibility, offering switchable voltage on each output, unlike the Zuma.
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The Ojai R30 has two switchable voltage outputs, offering more flexibility than the Zuma R300, which has only one.
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User experience
5.0 out of 5
Based on 0 Reviews and 1 Rating
Artist usage
Add artist
At 13:29 in this video detailing his home studio build, Rhett Shull shows his pedal rack in his sidecar that is powered by a Strymon Zuma.
Genre Usage
Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.
Used With
Based on how musicians on Equipboard use Strymon Zuma R300, it is most commonly used with the following gear.
Community setups
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Add recommendation1 alternative for Strymon Zuma R300, curated by the Equipboard community.
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