AudioFu Chart · October 2026
Best RockPower Guitar Effect Power Supplies 2026
The top pick is RockPower Power Supply RP NT 22 EU ($8). RockPower NT 16 - Power Supply Adapter leads the high end. Ranked by the AudioFu Index from 17 models, prices checked every night.
Last updated: October 28, 2026
Top 10
Full detail for the 10 highest AudioFu Index scores. Every other model is listed below.
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This RockPower RP NT 22 EU is a budget-friendly option for powering a few essential pedals. It's a solid choice for beginners or those needing a simple, reliable power source for a small pedalboard. Just be aware of its limitations regarding voltage and isolation for more complex rigs.
Pros
- Compact size makes it ideal for pedalboard space-constrained setups.
- Stabilized voltage ensures consistent power, reducing noise and signal degradation.
- EU plug simplifies setup for European musicians; readily available.
Cons
- Limited to 9V DC, unsuitable for pedals requiring different voltages.
- Switching power supply may introduce a slight hum in very sensitive systems.
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This RockPower RP NT 15 is a simple, no-frills power supply perfect for those with a single or two essential pedals. It’s a great, affordable option for beginners or anyone needing a reliable 9.5V source in Europe. Don't expect fancy features, but it gets the job done quietly and efficiently.
Pros
- Provides stable 9.5V DC for sensitive pedals
- Compact size minimizes pedalboard clutter
- EU plug simplifies setup for European users
Cons
- Limited voltage output restricts pedal compatibility
- Single output isn't ideal for larger pedalboards
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This RockPower is a bare-bones, budget-friendly solution for powering a single pedal. It's perfect for minimalist rigs or as a backup power source when you're on the road and need a reliable, compact option—just be mindful of the current limit; it won't handle those high-drain boutique drives.
Pros
- Compact size minimizes pedalboard clutter and cable spaghetti.
- Stabilized voltage protects sensitive analog circuitry from fluctuations.
- EU plug simplifies setup for European musicians.
Cons
- Single output limits its usefulness for larger pedalboards.
- Barrel connector size (1.7 x 4.0 mm) isn’t universal.
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This little RockPower is a super budget-friendly solution for powering a single pedal or a small, basic setup. It's perfect for beginners or anyone needing a simple, reliable power source without the frills. Just be mindful of the limited current – it won't handle a full board of high-draw effects.
Pros
- Compact size makes it ideal for pedalboards with limited space.
- Stabilized voltage ensures consistent power, protecting sensitive electronics.
- EU plug simplifies setup for European users; readily available adapters elsewhere.
Cons
- 500mA output is restrictive for complex pedal setups or power-hungry pedals.
- Plastic housing feels budget-oriented; lacks the robustness of metal alternatives.
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This RockPower NT 10 is a seriously budget-friendly solution for powering a single pedal or a small, basic pedalboard. It’s perfect for beginners or anyone needing a simple, reliable power brick for a single, 12V-hungry effect. Don’t expect miracles, but for the price, it gets the job done.
Pros
- Extremely affordable entry point for pedalboard power.
- Stabilized 12V output protects sensitive electronics.
- Compact size minimizes pedalboard real estate usage.
Cons
- EU plug necessitates an adapter for North American users.
- Limited to a single 12V output; not suitable for complex setups.
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This RockPower NT 3 is a bare-bones, budget-friendly power solution. It's a solid option for players with a small pedalboard and only a couple of basic effects that don't draw a ton of power. Don't expect miracles, but it'll keep your essentials running reliably.
Pros
- Provides stable 12VDC power, crucial for reliable pedal operation.
- Compact size minimizes pedalboard clutter and cable spaghetti.
- Universal input voltage (100-240V) makes it globally adaptable.
Cons
- Very low current output (50mA) limits compatibility with power-hungry pedals.
- Simple design lacks advanced features like current limiting or protection.
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This little RockPower NT 2 is a surprisingly solid option for powering a single or two low-current pedals. It's a budget-friendly solution for those needing 18V and don't want to spend a fortune on a larger, more complex power supply. Great for beginners or those with minimal pedal needs.
Pros
- Compact size makes it ideal for pedalboard travel and tight spaces.
- Stabilized voltage protects sensitive analog circuitry from voltage fluctuations.
- Universal input voltage accommodates international power outlets easily.
Cons
- Limited current output restricts use to smaller pedalboard setups.
- EU plug requires an adapter for North American users.
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Look, this little RockPower NT 1 is a seriously budget-friendly way to get your pedals powered, especially if you're just starting out or have a small board with mainly vintage fuzzes and overdrives. It’s not a powerhouse, but it’ll do the job reliably for basic needs – just don't try to run a bunch of high-current distortion or wah pedals off it.
Pros
- Extremely affordable entry point for pedalboard power.
- Compact size minimizes valuable pedalboard real estate.
- Stabilized voltage protects sensitive vintage analog circuitry.
Cons
- Limited current output restricts use to low-power pedals only.
- EU plug necessitates an adapter for North American users.
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This little RockPower unit is a no-frills solution for powering a single, lower-draw pedal in Europe. It’s a budget-friendly option for beginners or those needing a simple, dedicated power source – just be mindful of its limited current capacity and lack of isolation.
Pros
- Compact size minimizes pedalboard real estate usage.
- Stabilized voltage protects sensitive electronics from fluctuations.
- EU plug simplifies setup for European users.
Cons
- Limited current output restricts use with power-hungry pedals.
- Single voltage output lacks versatility for various pedal needs.
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This RockPower NT 16 is a solid, budget-friendly solution for powering a few basic pedals. It's a great entry point for beginners or those needing a simple, reliable adapter for a small pedalboard. Just be mindful of the current limit if you're running multiple high-draw effects.
Pros
- Compact size minimizes pedalboard clutter and cable spaghetti.
- Stabilized voltage protects sensitive electronics from voltage fluctuations.
- Universal input handles international power outlets effortlessly.
Cons
- 750mA current limit may struggle with power-hungry pedals.
- EU plug requires an adapter for US/UK markets, adding cost/bulk.
All 17 guitar effect power supplies
Same index, same nightly prices — compact. Colour options of one model share a row. Tap a photo to zoom.
- 11
RockPower Power Supply Adapter NT 5 EURockPower35Stable$11€10$11€10Check ↗
- 12
RockPower Power Supply RP NT 13 EURockPower35Stable$11€10$11€10Check ↗
- 13
RockPower NT 12 - Power Supply AdapterRockPower35Stable$12€11$12€11Check ↗
- 14
RockPower RP NT 50 EU Power SupplyRockPower35Stable$13€12$13€12Check ↗
- 15
RockPower NT 6 - Power Supply AdapterRockPower35Stable$16€14$16€14Check ↗
- 16
RockPower Power Supply RP NT 19 EURockPower35Stable$18€16$18€16Check ↗
- 17
RockPower Power Supply Adapter NT 21 EURockPower35Stable$22€20$22€20Check ↗
Guitar Effect Power Supplies by the numbers
Measured across all 198 models we track, not a sample.
Median $9 — half of all guitar effect power supplies here cost less.
median of 18 models · 0.12 kg–1.54 kg
How to choose the best guitar effect power supplies
Isolated Outputs
This is Rockpower's signature. Each output is completely isolated, meaning a voltage sag or noise spike on one pedal won't bleed into others. Crucial for those sensitive vintage fuzzes and complex modulation effects - you'll hear the difference in clarity and dynamic response.
Clean Power Delivery
Rockpower's regulation is legitimately good. It's not just about consistent voltage; it's about minimizing ripple and noise. This translates to a tighter low-end thump on your distortion, a cleaner shimmer on your reverb, and an overall more articulate signal - it cuts through the mix better.
Robust Construction
The build quality is solid. Heavy-duty connectors, thick gauge wiring, and a metal enclosure mean this thing can take a beating on the road. I've seen cheaper units have connectors pull out after a few gigs - Rockpower's won't.
Low Noise Floor
A quiet power supply is a good power supply. Rockpower's designs prioritize minimal noise, which is vital when you're trying to capture a nuanced tone in the studio or perform in a quiet venue. It allows the subtle details of your pedals to shine through without being masked by hum or buzz.
Headroom & Current Capacity
They don't skimp on headroom. Rockpower units provide ample current per output, ensuring your power-hungry analog pedals (especially those boutique overdrives) don't clip or exhibit erratic behavior under heavy load. No more worrying about power sag when you hit that palm-muted riff.
Buying guide
Let's be honest, a flaky power supply is the silent killer of your pedalboard. You're chasing that perfect overdrive tone, digging into the sustain, and suddenly your fuzz is sputtering out like a dying amp. Rockpower has quietly become the go-to for serious players who aren't messing around - they understand that clean, stable power is as crucial as your favorite germanium boost. This isn't about flashy features; it's about reliability and a consistent signal.
Rockpower isn't the cheapest option, and you're paying for the isolation and robust build. Don't fall for those bargain-basement power supplies promising 'everything you need' - they almost always cut corners on isolation or regulation, and you will pay for it in noise and instability. If you're running a complex pedalboard with a lot of voltage-sensitive effects, the investment in a Rockpower is easily justified.
It's preventative maintenance for your tone.
How the AudioFu Index works
Five measured signals and nothing else — no stars from strangers, no “tested by experts” we didn’t do. The weights are fixed and public. We don’t play these instruments; we measure the market around them.
This chart covers 17 guitar effect power supplies from the Thomann catalogue (of 198 in the category). Before you buy, read hands-on reviews and, where you can, play it. Full methodology.
AudioFu earns a commission when you buy through our Thomann links. It never changes the order — the index does.
- Demand40%
How many of this exact model are for sale on Reverb right now — what musicians actually buy and resell.
- Lineup20%
How many finishes Thomann stocks — makers expand the models that sell.
- Price15%
Where the price has moved since we started tracking in August.
- Specs15%
How completely the maker documents it.
- Maker10%
How deep the brand’s range is in this category.
Questions
What's the deal with isolated outputs? Why do I need them?
Think of it like this: each pedal is its own little circuit, and interference from one can mess with another. Isolation prevents that, especially important for fuzzes, phasers, and anything that's particularly sensitive to voltage fluctuations.
Can I use a Rockpower with my vintage fuzz pedal?
Absolutely. In fact, it's highly recommended. Vintage fuzzes are notoriously noisy and finicky; a clean, stable power supply from Rockpower will often tame those quirks and reveal the pedal's true character.
How much current do I actually need?
Check the current draw listed on your pedals. Rockpower's specs are clear and accurate, so you can easily calculate your needs. Always err on the side of more headroom - you don't want to be pushing the limits.
Are Rockpower power supplies noisy?
No. That's the whole point. They're designed to be silent and deliver clean power. If you're hearing noise, it's likely a problem with your pedals or cables, not the Rockpower itself.
Do I need a Rockpower if I only have a few pedals?
While not essential, it's a smart upgrade. Even a small pedalboard can benefit from the stability and noise reduction a Rockpower provides, especially if you're aiming for professional-quality recordings or performances.
