10 Best Pedalboard Power Supplies (July 2026) Ranked and Reviewed
Every guitarist who has built a pedalboard knows the frustration. You spend weeks choosing the perfect overdrive, delay, and reverb pedals, dial in your tone, and then you hear it. That awful ground loop hum. That high-pitched whine bleeding through your signal chain. Nine times out of ten, the culprit is not your pedals at all. It is the power running underneath them.
Finding the best pedalboard power supplies means looking well beyond a simple daisy chain cable or a cheap wall wart adapter. The right isolated power supply eliminates noise, protects your investment in expensive effects pedals, and gives you headroom to expand your board down the road. Whether you run a compact four-pedal board or a massive touring rig with twenty-plus effects, clean DC power is the foundation of great guitar tone.
Contents
Our team spent three months testing ten of the most popular guitar pedal power supplies on the market. We measured noise floors, loaded outputs to their maximum current ratings, mixed analog and digital pedals on the same board, and ran each unit through real gigging scenarios. We also dug through thousands of customer reviews and forum discussions on Reddit, Facebook pedalboard groups, and dedicated gear communities. What follows is our honest, hands-on assessment of each unit, from flagship models like the CIOKS DC7 down to budget options under $40.
One thing we learned quickly from forum discussions is that confusion around isolated power is widespread. Many guitarists wonder whether they truly need isolated outputs or if a daisy chain will work fine for their setup. Others struggle with calculating how many milliamps their board actually draws. We address all of those questions in this guide, including a detailed buying guide section and FAQ at the end.
Throughout this article, we cover the full range of pedalboard PSU options available in 2026. From professional-grade units with switchable voltages and voltage sag features to compact mini power supplies that fit under the smallest boards, we have tested and ranked them all. Let us start with our top three picks across different categories and budgets.
Top 3 Picks for Best Pedalboard Power Supplies
After extensive testing across small, medium, and large pedalboards, three power supplies stood out above the rest. The CIOKS DC7 took our editor’s choice spot for its unmatched flexibility and professional build quality. The Donner DP-1 earned our best value pick for delivering ten outputs at a fraction of the cost of premium units. The JOYO JP-02 rounded out the top three as our budget pick for guitarists who need reliable power without spending more than fifty dollars.
CIOKS DC7 Power Supply
- 7 isolated outputs
- 4 selectable voltages per outlet
- 48W total output power
- 2-stage switch-mode topology
Donner DP-1 Guitar Power...
- 10 outputs
- 9V 12V 18V support
- Noise reduction circuit
- Short circuit protection
JOYO JP-02 Pedal Power Supply
- 10 isolated outputs
- LED indicators
- Overcurrent protection
- Compact metal housing
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10 Best Pedalboard Power Supplies in 2026
Here is our complete comparison table of all ten power supplies we tested. Each entry includes the key features that matter most when choosing a pedalboard PSU, including output count, voltage options, and total power capacity.
| Product | Features | |
|---|---|---|
| CIOKS DC7 Power Supply |
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 Strymon Zuma 9-Output |
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 Voodoo Lab Pedal Power 2 Plus |
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 Truetone 1 SPOT Pro CS12 |
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 Truetone 1 SPOT Pro CS7 |
|
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 MXR M238 Iso-Brick |
|
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 Ernie Ball Volt Power Supply |
|
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 LEKATO 10-Port Isolated Supply |
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| Donner DP-1 Guitar Power Supply |
|
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| JOYO JP-02 Pedal Power Supply |
|
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1. CIOKS DC7 Power Supply
CIOKS DC7 Power Supply
7 isolated outputs
4 selectable voltages per outlet
48W total output
2-stage switch-mode topology
5 year warranty
Pros
- Plenty of power in compact size
- No bulky external brick needed
- Standard IEC power cord
- 12 Flex cables included
- Silent operation with zero hum
Cons
- Uses RCA phono plugs instead of barrel connectors
- Right angle cables may lack clearance
- Premium price point
The CIOKS DC7 is the power supply that other manufacturers measure themselves against. When I first installed one on my main touring board, the difference was immediately noticeable. The background hiss that I had learned to live with on my digital delay and reverb pedals simply vanished. The DC7 uses a 2-stage switch-mode power supply topology with multistage filtering that achieves an impressively low noise floor.
What sets the DC7 apart from every other unit I tested is its flexibility. Each of the seven outputs can be set to 9V, 12V, 15V, or 18V DC. That means you can power everything from a vintage fuzz pedal to an 18V overdrive without needing separate power supplies or voltage doubler cables. The total output power is 48 watts, which is more than enough for even the most demanding pedalboards.
One detail that really impressed me during testing was the lack of an external power brick. The CIOKS DC7 uses a standard IEC power cord that plugs directly into the unit itself. This simplifies cable management enormously and eliminates one more thing that can fail on stage. The unit weighs only 16 ounces, making it easy to mount under any pedalboard.
The included cable kit comes with twelve Flex cables, which gives you plenty of options for routing power to each pedal. However, I did notice that CIOKS uses RCA phono plugs on the unit side rather than the standard barrel connectors found on most other power supplies. This is a minor annoyance when you need replacement cables, though the included Flex cables are high quality.
Who Should Invest in the CIOKS DC7
This is the power supply for working musicians who refuse to compromise on power quality. If you run a mix of analog and digital pedals, especially power-hungry units like the Strymon Timeline or Eventide factors, the DC7 handles them all without breaking a sweat. Studio engineers and touring guitarists will appreciate the professional build quality and five-year warranty.
The DC7 is also ideal if you anticipate expanding your pedalboard. The four selectable voltages per output mean you will never outgrow this unit, no matter what pedals you add in the future. It is an investment that will serve your board for years.
What to Consider Before Buying
The RCA phono plug connector system is the main trade-off here. If you are upgrading from another brand, your existing cables will not work. You will need to use the included Flex cables or purchase CIOKS-specific replacements. Some users also report that the right angle cables can have clearance issues when mounting under tightly spaced boards.
The price is also a factor. The DC7 sits at the higher end of the market. However, when you calculate the cost per isolated output and factor in the voltage flexibility, the value proposition becomes much more compelling.
2. Strymon Zuma 9-Output Guitar Pedal Power Supply
Strymon Zuma 9-output Guitar Pedal Power Supply
9 isolated outputs
9V 12V 18V support
500mA per output
Worldwide power supply
2 year warranty
Pros
- Eliminates interference on problematic pedals
- Noticeably less noise in signal chain
- Fits custom pedalboard chassis
- Stays cool during operation
- Easy under-board mounting
Cons
- Premium pricing
- Stock cables may be short for some rigs
Strymon is known for making some of the best digital delay and reverb pedals in the world, so it should come as no surprise that they also make an exceptional power supply. The Strymon Zuma was designed specifically to handle the demands of high-current digital pedals that other power supplies struggle with.
I tested the Zuma with a board running two Strymon pedals, a Walrus Audio slö reverb, and a Boss DD-200 alongside several analog pedals. The Zuma delivered rock-solid power to every pedal with zero noise. Each of the nine outputs provides 500mA of current, which is more than enough for even the most power-hungry digital effects on the market.
One feature that makes the Zuma particularly attractive for touring musicians is its worldwide compatibility. The power supply works with any voltage from 100V to 240V, meaning you can plug it in anywhere on the planet without needing a transformer. This is a huge advantage for bands that tour internationally.
The Zuma also supports 9V, 12V, and 18V outputs, giving you flexibility for pedals that require higher voltages. Two outputs are switchable to 12V and two to 18V, while the remaining five stay at 9V. The unit includes nine pedal cables with right angle barrel connectors and a detachable IEC power cable.
Ideal Setup for the Strymon Zuma
The Zuma is purpose-built for guitarists running multiple digital pedals that draw significant current. If your board includes Strymon, Eventide, Line 6, or Boss 200-series pedals, this is the power supply you want. The 500mA per output rating means you will never starve a digital pedal of the power it needs to operate at peak performance.
It is also an excellent choice for touring musicians who need worldwide voltage compatibility. Being able to plug into any wall outlet without worrying about voltage conversion is invaluable on the road.
Things to Keep in Mind
The stock cables included with the Zuma are relatively short. If you have a large pedalboard, you may need to purchase longer cables separately. The unit itself is also physically larger than some competitors, so measure your available mounting space before committing.
The Zuma also commands a premium price. However, for the quality of construction and the performance it delivers, most users in our research felt it was well worth the investment.
3. Voodoo Lab Pedal Power 2 Plus Isolated Power Supply
Voodoo Lab Pedal Power 2 Plus Isolated Power Supply
8 isolated outputs
Voltage sag feature
4 switchable 9V 12V outputs
5-year warranty
Stainless steel enclosure
Pros
- Zero noise with 10 pedals connected
- Fully isolated outputs
- Versatile voltage options per channel
- Mounts on PedalTrain boards
- Excellent customer service
Cons
- Most outputs limited to 100mA
- Short 18-inch cables
- Only 6 right angle cables included
- No power switch
The Voodoo Lab Pedal Power 2 Plus is the industry standard. It is the power supply that practically every comparison article references, and for good reason. With 852 reviews on Amazon and an average rating of 4.8 stars, it has earned its reputation through years of reliable performance on stages and in studios worldwide.
What makes the Pedal Power 2 Plus special is its feature set. Eight fully isolated outputs provide clean, noise-free power to each pedal independently. Four of those outputs are switchable between 9V and 12V, and two outputs include a voltage sag feature that intentionally drops the voltage to simulate a dying battery. This is a tonal tool that analog fuzz and distortion enthusiasts absolutely love.
During my testing, I connected ten pedals to the Pedal Power 2 Plus using current doubler and voltage doubler cables. The result was absolute silence. No hum, no hiss, no digital clock noise bleeding into my analog signal chain. The stainless steel enclosure feels built to last, and the five-year warranty provides genuine peace of mind.
The Pedal Power 2 Plus also supports voltage doubler cables for 18V and 24V pedals, and current doubler cables for high-draw effects. This expandability means the unit can grow with your board, even though it ships with eight outputs natively.
Why the Pedal Power 2 Plus Remains a Classic
If you read through forum discussions on Reddit’s guitarpedals community, the Voodoo Lab Pedal Power 2 Plus comes up again and again as the tried and true recommendation. Its combination of isolation quality, voltage flexibility, and proven reliability makes it a safe choice for any pedalboard.
The voltage sag feature is particularly valued by players who use germanium fuzz pedals. Starving a fuzz pedal of voltage produces a sputtery, compressed tone that many guitarists find musically useful for certain genres. Not many power supplies offer this feature.
Limitations to Be Aware Of
The main drawback of the Pedal Power 2 Plus is its current output. Most outputs are rated at only 100mA, which may not be enough for modern digital pedals. Outputs 5 and 6 provide 250mA, which helps, but if you are running multiple high-current pedals, you may need the Mondo version or a different unit entirely.
The included cables are also on the short side at 18 inches. For larger pedalboards, you will likely need to purchase longer cables. And the unit lacks a power switch, meaning you need to unplug it to power down.
4. Truetone 1 SPOT Pro CS12 12-Output Isolated Power Supply
Truetone 1 SPOT Pro CS12 Guitar Pedal Power Supply with...
12 isolated outputs
54W total output power
9V 12V 18V variable
3A total current
Compact flat metal enclosure
Pros
- Studio-quality power delivery
- Metal enclosure construction
- 12 outputs for large boards
- High total power capacity
- Compact flat form factor
Cons
- Higher price bracket
- Mounting requires planning for flat design
The Truetone 1 SPOT Pro CS12 is the power supply for guitarists who need maximum outputs without compromising on power quality. With twelve isolated outputs and a total output capacity of 54 watts, this unit handles the largest pedalboards with ease. After testing it with a fifteen-pedal board, I was thoroughly impressed by its ability to deliver clean, consistent power across every output.
Truetone built the CS12 with versatility in mind. The unit offers both 9VAC and 9V DC output options, along with 12V and 18V variable voltage support. This means you can power virtually any pedal on the market without needing external adapters. The three-amp total current output is among the highest in its class.
The compact flat metal enclosure is designed for easy mounting under pedalboards. At just two inches tall, the CS12 fits in spaces where bulkier power supplies simply cannot go. The build quality feels professional and solid, befitting its position as a studio-grade power supply.
One of the things that struck me most during testing was how cool the CS12 runs, even when fully loaded with high-current digital pedals. Some power supplies generate noticeable heat, which can be a concern when mounted in an enclosed space under a board. The CS12 stayed cool throughout extended use.
Best Use Cases for the CS12
This power supply is ideal for guitarists with large pedalboards who need twelve or more outputs. If you are running a complex rig with multiple digital pedals, analog effects, and maybe an amp modeler or switcher, the CS12 has the power capacity to handle it all.
Studio owners will also appreciate the clean, quiet power the CS12 delivers. When recording, any noise in your signal chain becomes magnified, and having a power supply that eliminates ground loops and digital noise is essential.
What to Watch For
The flat design, while great for mounting, requires some planning. Unlike brick-style power supplies that stand upright, the CS12 lays flat, which means you need adequate horizontal space under your board. The lack of a clear power switch is also a minor annoyance that some users have noted.
The CS12 sits in the upper price range, but when you consider the twelve isolated outputs and the massive power capacity, the price per output is actually quite reasonable compared to other premium options.
5. Truetone 1 SPOT Pro CS7 7-Output Isolated Power Supply
Truetone 1 SPOT PRO CS7 7-Output Isolated Guitar Pedal Power...
7 isolated outputs
Automatic 120V 240V switching
Lifetime warranty
Compact flat design
3A total current
Pros
- Zero noise operation
- Powers everything without humming
- Great for small to medium boards
- Lifetime warranty
- Clean and quiet sound quality
Cons
- No 90-degree AC power cord included
- Power cable not on end of unit
- No on/off switch
The Truetone CS7 is the younger sibling of the CS12, offering seven isolated outputs in a compact package. I found this unit to be the sweet spot for small to medium pedalboards, providing enough outputs and power flexibility without the footprint or cost of its larger counterpart.
The output configuration is well thought out. You get one 18V output at 100mA, four switchable 9V or 12V outputs at 200mA each, and two 9V outputs at 500mA each. This gives you the flexibility to power everything from simple analog overdrives to power-hungry digital delays on the same board.
One feature that genuinely surprised me is the automatic 120V to 240V switching. Like the Strymon Zuma, this makes the CS7 suitable for international touring without any manual voltage selection required. Just plug it in and it adapts to the local power grid.
The lifetime warranty is another standout feature. Truetone stands behind this product with a guarantee that covers the unit for as long as you own it. That level of confidence in build quality is rare at this price point.
Perfect Board Size for the CS7
The CS7 is ideal for pedalboards with five to eight pedals. It provides enough outputs and current capacity for most standard gigging setups, including a mix of analog drives, a modulation pedal, and one or two digital effects.
The 500mA outputs on channels six and seven are particularly valuable for powering modern digital pedals that require higher current draw. This means you can run a Strymon or Boss digital pedal alongside your analog effects without any issues.
Potential Drawbacks
The power cable entry point is not on the end of the unit, which can make mounting difficult under some pedalboards. You will want to plan your cable routing carefully before mounting. The unit also does not include a 90-degree AC power cord, which would help with tight mounting spaces.
Like many power supplies in this category, there is no on/off switch. You will need to use a power strip or unplug the unit to power down your board.
6. MXR M238 Iso-Brick Power Supply
MXR M238 Iso-Brick Power Supply with 3 Patch Cables
10 fully-isolated outputs
9V and 18V adjustable
Noise-free operation
Alloy steel construction
Pedalboard-friendly size
Pros
- Rock solid reliability
- Quiet noise-free operation
- Handles multiple pedals
- Compact pedalboard-friendly size
- Adjustable voltage outputs
Cons
- Adapter cords may be thin
- Bundle cables are low quality
The MXR M238 Iso-Brick brings the legendary MXR build quality to the world of pedalboard power. With ten fully isolated outputs and an alloy steel enclosure, this unit is built to survive the rigors of touring and regular gigging. When I installed one on a secondary board, I was immediately impressed by how sturdy and well-constructed it feels.
The Iso-Brick offers adjustable voltage outputs, including 9V and 18V options, giving you flexibility for pedals that require different voltage levels. The noise-free operation lives up to the MXR reputation, with clean, isolated power on every output. I detected zero hum or interference during testing, even when mixing analog and digital pedals.
The pedalboard-friendly size is a real advantage. MXR designed the Iso-Brick to fit neatly under standard pedalboards without taking up excessive space. The weight of 1.05 kilograms is reasonable for the amount of power it delivers.
One thing to note is that the bundle includes three MXR patch cables, which is a nice addition for connecting pedals together. However, some users have reported that the included power cables and adapter cords feel somewhat thin compared to the quality of the unit itself.
Who the Iso-Brick Suits Best
The MXR Iso-Brick is an excellent choice for gigging musicians who need a rugged, reliable power supply that can withstand the physical demands of regular transport. The alloy steel construction is tougher than the plastic or thin aluminum housings found on some competitors.
It is also a good fit for pedalboards with eight to ten pedals that require clean, isolated power. The combination of 9V and 18V outputs covers the vast majority of effects pedals on the market.
Considerations Before Purchasing
The included cables have received some criticism from users. Several reviewers on Amazon noted that the adapter cords feel thin and that the bundle cables are of lower quality than the power supply itself. You may want to budget for higher-quality replacement cables.
Without published dimensions, you will want to measure your available mounting space carefully before purchasing. The unit is described as pedalboard-friendly, but verifying the fit with your specific board is always wise.
7. Ernie Ball Volt Pedal Power Supply
Ernie Ball Volt Pedal Power Supply (P06191)
4 isolated outputs
9V and 18V DC
Ultra-compact housing
LED indicators
5 year warranty
Pros
- Ultra-compact size fits under any board
- Noise-free clean power delivery
- Sturdy metal construction
- LED indicators for each output
- Daisy chainable for expansion
Cons
- Limited to 4 outputs
- Large wall wart adapter
- Power cable may be short for stage use
The Ernie Ball Volt is the most compact power supply in this roundup, and that is exactly its appeal. With four isolated outputs in an ultra-small housing, the Volt is designed for guitarists who run minimalist boards but still demand clean, noise-free power. Ernie Ball is a trusted name in guitar accessories, and the Volt lives up to that reputation.
I tested the Volt on a mini board with four pedals: an overdrive, a compressor, an analog delay, and a tuner. The Volt delivered silent, isolated power to each pedal. The LED indicators on each output are a nice touch, providing visual confirmation that every pedal is receiving power.
The regulated 9V and 18V DC outputs give you some voltage flexibility despite the limited output count. The unit also supports daisy chaining for expansion, meaning you can power more than four pedals if needed, though this does sacrifice some of the isolation benefit.
At just 454 grams and with an ultra-thin profile, the Volt fits under literally any pedalboard. It is the kind of power supply you can add to even the most space-constrained mini board without worrying about clearance.
When the Ernie Ball Volt Makes Sense
This power supply is perfect for guitarists who keep things simple. If your board has four pedals or fewer and you want clean, isolated power without the bulk of a larger unit, the Volt is an ideal choice. It is also great as a secondary power supply for a grab-and-go board.
The ability to daisy chain for expansion means the Volt can grow with you, at least to a point. For guitarists who anticipate adding more pedals in the future, this provides some flexibility without requiring an immediate upgrade.
Things to Consider
The four-output limit is the obvious constraint. If your board has more than four pedals, you will need a larger unit or will need to daisy chain, which reintroduces some of the noise issues that isolated power is meant to solve.
The wall wart adapter is also notably large, which can be an issue if your power strip or outlet space is limited. Some users have also noted that the power cable could be longer for certain stage setups.
8. LEKATO 10-Port True Isolated Pedal Power Supply
LEKATO Guitar Pedal Power Supply, True Isolated Pedal Power...
10 true isolated outputs
Multiple transformers
2 adjustable voltage ports
USB charging port
1 year warranty
Pros
- True isolated power eliminates noise
- Compact metal construction
- USB charging port included
- Short circuit protection per port
- Comparable to expensive brands
Cons
- Power cable may be short
- Board compatibility orientation issues
- One reported failure after 3 months
The LEKATO 10-Port power supply is the surprise standout of our testing. This unit offers true isolated outputs using multiple transformers at a price point that massively undercuts premium brands. When I first saw the specifications, I was skeptical about the isolation claims, but testing proved me wrong.
LEKATO has equipped this unit with ten isolated outputs, including seven 9V outputs at 300mA, one 9V output at 500mA, and two adjustable voltage ports that can output 9V, 12V, or 18V at 500mA. The use of multiple transformers for true isolation sets this apart from budget competitors that use circuit simulation instead.
The inclusion of a USB charging port is a feature that many competitors overlook. Being able to charge your phone or tablet from your pedalboard power supply is genuinely useful during long gigs or studio sessions. This is the kind of practical feature that addresses real-world needs.
During my noise testing, the LEKATO performed comparably to units costing three or four times as much. I detected no ground loop hum, no digital clock noise, and no interference between analog and digital pedals. The heavy-duty aluminum alloy construction feels solid and well-built.
Why the LEKATO Stands Out
For guitarists who want true isolated power without spending $200 or more, the LEKATO is the best option I have tested. The combination of ten isolated outputs, adjustable voltage ports, and a USB charging port at this price point is remarkable. Multiple Amazon reviewers noted that it performs as well as CIOKS and Voodoo Lab units they previously owned.
The per-port short circuit protection is also a valuable safety feature. If one output shorts out, the remaining outputs continue to function, protecting your pedals and preventing a mid-gig power failure.
Potential Concerns
Some users have reported orientation challenges when mounting the LEKATO on certain pedalboard designs. The dimensions are compact but the port layout may require creative cable routing depending on your board configuration.
There was also one report of a unit failing after three months of use, though the customer service replacement was handled promptly. The one-year warranty is shorter than the lifetime and five-year warranties offered by some competitors.
9. Donner DP-1 Guitar Power Supply 10 Isolated DC Output
Donner DP-1 Guitar Power Supply 10 Isolated DC Output for...
10 outputs
9V 12V 18V support
Noise reduction circuit
Short circuit protection
Aluminum alloy housing
Pros
- Excellent value for money
- Dependable and reliable
- Noisy-free operation for most setups
- Bright LED indicators
- Compact and lightweight
Cons
- Not truly isolated power
- 12V output may not work with all setups
- Some quality control issues reported
The Donner DP-1 is the best-selling pedalboard power supply on Amazon, and with over 7,800 reviews, it has clearly struck a chord with guitarists worldwide. At its price point, it offers ten outputs and a noise reduction circuit that works well for the majority of pedalboard setups. I tested the DP-1 on a board with six pedals, and the noise reduction was noticeable compared to a standard daisy chain.
The output configuration includes seven 9V outputs at 100mA, one 9V output at 500mA, one 12V output at 100mA, and one 18V output at 100mA. This gives you the voltage variety to power a range of different pedals, though the 100mA limit on most outputs means this unit is best suited for analog effects rather than power-hungry digital pedals.
It is important to address the isolation question directly. The Donner DP-1 uses a noise reduction circuit design rather than true electrical isolation between outputs. In practice, this means that for most analog pedalboards, the noise reduction is effective and sufficient. However, if you mix digital pedals with analog effects, you may experience some noise that a truly isolated supply would eliminate.
The blue LED indicators are a signature feature of the DP-1, providing a visual confirmation that each output is active. The LEDs also serve as a short circuit indicator, turning off if a particular output experiences a problem while the remaining outputs continue functioning.
Best Board Setup for the Donner DP-1
The DP-1 is ideal for beginner to intermediate guitarists building their first real pedalboard. If your board consists mostly of analog pedals like overdrives, distortions, modulation effects, and simple delays, the DP-1 provides more than enough clean power at a price that cannot be beaten.
It is also a great choice for a practice or bedroom board where absolute silence is less critical than on stage or in the studio. The ten outputs give you plenty of room to expand your pedal collection.
Important Limitations to Understand
The most important thing to understand about the DP-1 is that it does not offer true galvanic isolation between outputs. The circuit design reduces noise significantly compared to a daisy chain, but if you run sensitive digital pedals alongside analog effects, you may still encounter some noise.
The 100mA output limit on seven of the ten outputs also means this supply is not suitable for high-current digital pedals. Check your pedal power requirements carefully before connecting them. Some quality control issues have been reported, though these appear to affect a small percentage of units.
10. JOYO JP-02 Guitar Pedal Power Supply
JOYO Guitar Pedal Power Supply Pedal Board Power Supply with...
10 isolated outputs
LED indicators
Overcurrent protection
Compact metal housing
1 year warranty
Pros
- Very lightweight and compact
- Good build quality
- Cuts out hiss and whine
- Bright LED indicators
- Excellent value for money
Cons
- Some interference with certain pedals
- Power switch location inconvenient
- Cables can be stiff
The JOYO JP-02 is another budget-friendly power supply that punches well above its weight class. With over 1,000 reviews and a 4.6-star average rating, the JP-02 has proven itself as a reliable option for guitarists who need clean power on a tight budget. Our testing confirmed what the reviews suggest: this is a solid, dependable power supply for the money.
The JP-02 offers ten outputs with independent short-circuit protection and LED indicators for each circuit. The output configuration mirrors the Donner DP-1, with seven channels at 9V 100mA, one channel at 9V 500mA, and individual 12V and 18V outputs. This provides the voltage variety needed for most common pedal setups.
What impressed me most about the JP-02 was how effectively it cut hiss and whine from noisy pedals. On a test board with a notoriously noisy digital delay, the JP-02 reduced the noise floor significantly compared to a daisy chain setup. The overcurrent, overload, and overheat protection features provide peace of mind that your pedals are protected.
The compact metal housing measures just 6.3 by 2.09 by 1.42 inches and weighs only 380 grams. This makes the JP-02 one of the smallest and lightest ten-output power supplies available. It fits under even the most space-constrained pedalboards.
Who Should Choose the JOYO JP-02
The JP-02 is perfect for guitarists on a budget who still want the benefits of multiple isolated outputs and per-channel protection. If you are building your first pedalboard or upgrading from a daisy chain, this is an affordable entry point into proper pedal power.
The LED control switch design, which allows you to toggle the indicator lights on and off, is a thoughtful feature. Some guitarists find bright LEDs distracting on dark stages, and the ability to turn them off is a nice touch.
Things to Keep in Mind
Some users have reported interference issues with specific pedals, particularly certain digital models. While the JP-02 reduces noise for most setups, it may not completely eliminate interference in all configurations. The cables included with the unit can also be somewhat stiff, making cable routing a bit more challenging.
The power switch location has been noted as inconvenient by some users, and the one-year warranty is shorter than what premium brands offer. However, at this price point, these are acceptable trade-offs.
Buying Guide: How to Choose the Right Pedalboard Power Supplys?
Choosing the right pedalboard power supply comes down to understanding your specific needs and matching them to the right features. This buying guide breaks down the key factors you should consider before making a purchase.
Isolated vs Non-Isolated: Why It Matters
This is the single most important distinction in pedalboard power. An isolated power supply provides each output with its own independent ground connection, meaning that electrical noise from one pedal cannot bleed into another. This is what eliminates ground loop hum and digital clock noise.
Non-isolated power supplies, including daisy chains and budget units that simulate isolation, share a common ground across all outputs. This works fine for simple analog pedalboards but introduces noise when you mix digital and analog pedals or when pedals have different grounding requirements.
True isolation requires either individual transformers for each output or a sophisticated switching topology with multistage filtering. If the product description mentions multiple transformers or individual isolation per output, it is likely truly isolated. If it mentions only a noise reduction circuit or common ground design, it is not truly isolated.
Understanding mA and Current Requirements
Every guitar pedal draws a specific amount of current, measured in milliamps (mA). This information is usually printed on the pedal itself or in the manual. Analog pedals typically draw between 5mA and 50mA, while digital pedals can draw 200mA to 500mA or more.
To calculate your total power requirements, add up the mA draw of every pedal on your board. Then choose a power supply where each output provides at least as much current as the connected pedal requires. It is always better to have more headroom than you need, as running a power supply near its maximum capacity can introduce noise and reduce its lifespan.
For example, if you have a Strymon Timeline that draws 300mA, you need an output rated for at least 300mA. Connecting it to a 100mA output will either cause the pedal to malfunction or simply not power on at all.
Voltage Options: 9V, 12V, and 18V
The vast majority of guitar pedals operate on 9V DC with center negative polarity, which is the standard for effects pedals. However, some pedals require 12V or 18V for proper operation or to achieve their full headroom and tonal range.
Overdrive and distortion pedals sometimes offer 18V operation for increased clean headroom and tighter low-end response. Some modulation and delay pedals require 12V. If your board includes pedals that need voltages other than 9V, make sure your power supply offers those options either through dedicated outputs or switchable voltage settings.
Never connect a pedal to a higher voltage than it is rated for, as this can permanently damage the pedal. Always check the voltage requirements before connecting any pedal to a power supply.
How Many Outputs Do You Need?
This seems like a simple question, but it requires some forward-thinking. Count your current pedals, then add two or three outputs for future expansion. It is much easier to buy a power supply with extra outputs now than to replace it later when you add more pedals.
Also consider whether any of your pedals require two outputs. Some pedals, particularly amp modelers and multi-effects units, can be powered using current doubler cables that combine two outputs into one higher-current output. If you plan to use this technique, factor it into your output count.
A good rule of thumb is to buy a power supply with at least two more outputs than your current pedal count. This gives you room to grow without needing to daisy chain additional pedals.
Form Factor and Pedalboard Fit
Power supplies come in several physical designs, and the right choice depends on your pedalboard layout. Brick-style units like the Voodoo Lab Pedal Power 2 Plus mount neatly under PedalTrain-style boards using standard brackets. Flat units like the Truetone CS12 and CS7 sit horizontally and require different mounting approaches.
Compact units like the Ernie Ball Volt and JOYO JP-02 are designed for mini boards where space is at a premium. Before purchasing, measure the available space under your board and compare it to the power supply dimensions. Remember to account for cable clearance as well.
USB Charging and Modern Features
Some newer power supplies include USB ports for charging phones, tablets, or other devices. While not essential for guitar tone, this is a practical feature for gigging musicians who use their phones for setlists, tuning apps, or backing tracks. The LEKATO 10-Port is one of the few options in this roundup that offers USB charging.
Other modern features to look for include LED status indicators per output, power switches, and worldwide voltage compatibility for international touring. These features add convenience but are not deal-breakers if absent.
Price-per-Output Value Calculation
One effective way to compare power supply values is to calculate the cost per isolated output. Divide the price of the unit by the number of outputs to get a per-output cost. Premium units like the CIOKS DC7 cost roughly $34 per output, while budget options like the Donner DP-1 come in at around $4 per output.
Keep in mind that not all outputs are created equal. A $4 per output unit that offers circuit simulation rather than true isolation is not equivalent to a $34 per output unit with true galvanic isolation and selectable voltages. Use this calculation as one factor among many, not as the sole deciding criterion.
FAQs
What power supply do you recommend for pedalboards?
For most guitarists, the CIOKS DC7 is our top recommendation due to its true isolation, four selectable voltages per output, and professional build quality. For budget-conscious players, the LEKATO 10-Port offers true isolated power at a fraction of the cost. For those running multiple high-current digital pedals, the Strymon Zuma with its 500mA per output rating is the best choice.
Are all pedalboard power supplies truly isolated?
No, not all power supplies advertised as isolated actually provide true galvanic isolation. Budget options like the Donner DP-1 and JOYO JP-02 use noise reduction circuits that reduce interference but share a common ground across outputs. True isolation requires individual transformers or advanced switch-mode topology. Units from CIOKS, Strymon, Voodoo Lab, Truetone, and the LEKATO 10-Port offer genuine isolation.
Can I daisy chain pedals instead of using an isolated power supply?
Daisy chaining works acceptably for small boards with only analog pedals, but it introduces ground loop hum and noise when you mix digital and analog effects. Each pedal shares the same ground connection, which allows electrical noise to pass between them. For any board with four or more pedals, or any board mixing analog and digital effects, an isolated power supply is strongly recommended.
How many outputs do I need for my pedalboard?
Count your current pedals and add two to three outputs for future expansion. A good rule of thumb is to purchase a power supply with at least two more outputs than your current pedal count. This gives you room to add pedals without needing to upgrade your power supply or resort to daisy chaining additional effects.
Why is my pedal making a high-pitched whining noise?
A high-pitched whine is typically caused by digital clock noise bleeding into your analog signal chain through a shared ground connection. This happens when digital pedals (like delays, reverbs, or multi-effects units) are connected to analog pedals via a daisy chain or non-isolated power supply. Switching to a power supply with true isolated outputs eliminates this noise by giving each pedal its own independent ground.
Can I power amp modelers with pedalboard power supplies?
Some amp modelers and multi-effects units can be powered by pedalboard supplies if they accept 9V DC and draw within the available current rating. However, many amp modelers like the Line 6 HX Stomp or Strymon Iridium require higher current (up to 3000mA) and may need a dedicated power source. Check the power requirements of your specific modeler before connecting it to a pedalboard power supply.
Conclusion
After three months of testing ten different units, our top recommendation for the best pedalboard power supplies goes to the CIOKS DC7. Its unmatched combination of true isolation, four selectable voltages per output, 48W total power capacity, and professional build quality makes it the most versatile and reliable option we tested. It is an investment that will serve any pedalboard for years.
For guitarists on a budget, the LEKATO 10-Port stands out as the best value, offering true isolated power with a USB charging port at a remarkably low price. And for those running multiple high-current digital pedals, the Strymon Zuma with its 500mA per output and worldwide voltage compatibility is purpose-built for the task.
The right pedalboard power supply is the foundation of your tone. Skimping on power means living with noise, hum, and potential pedal damage. Investing in clean, isolated power is one of the most impactful upgrades you can make to your rig in 2026. Whatever your budget or board size, there is a quality option in this guide that will give your pedals the clean, noise-free power they deserve.
