AudioFu Chart · October 2026
Best Truetone Guitar Effect Power Supplies 2026
The top pick is Truetone 1 Spot Pro CS12 ($244). Truetone 1 Spot 9V/DC gives you the most for the money at $33. Ranked by the AudioFu Index from 6 models, prices checked every night.
Last updated: October 28, 2026
Top 6
Full detail for the 6 highest AudioFu Index scores. Every other model is listed below.
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- Weight1.06 kg
The Truetone 1 Spot Pro CS12 is a serious upgrade for pedalboards plagued by noise and power limitations. Its isolated outputs and high current delivery are a game-changer for players using multiple boutique or digital pedals, especially those who tour internationally. It’s a solid investment for the discerning player who values clean, reliable power.
Pros
- Galvanic isolation eliminates ground loops, crucial for noise-sensitive rigs.
- High current outputs (500mA) handle power-hungry boutique pedals with ease.
- Compact size and included mounting hardware integrate seamlessly with Pedaltrain boards.
Cons
- Premium-priced compared to basic multi-output power supplies.
- Limited AC output (9V AC, 800mA) restricts compatibility with certain vintage gear.
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The Truetone 1 Spot is a no-fuss power solution for players with a small pedalboard or just needing power for one or two key stompboxes. It's a budget-friendly way to get reliable 9V power, especially handy if you're a touring musician who needs to adapt to different voltage standards. A solid, simple choice for straightforward needs.
Pros
- Compact size minimizes pedalboard clutter and cable spaghetti.
- Solid construction feels durable for gigging and studio use.
- Automatic voltage switching is a huge convenience for international travel.
Cons
- Single output limits its usefulness for larger pedalboards.
- Plastic enclosure feels a bit less premium than metal alternatives.
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The Truetone 1 Spot Pro CS7 is a solid, compact power solution for pedalboards needing multiple voltages. It's perfect for gigging musicians who want a reliable, space-saving power supply without the bulk of a larger unit. The included cables are a nice touch, making setup a breeze.
Pros
- Multiple voltage options handle a wide range of pedals
- Isolated outputs prevent noise and ground loops effectively
- Compact size minimizes pedalboard real estate usage
Cons
- Limited total current compared to larger power bricks
- Reverse polarity adapter cables are short, potentially restrictive
32AudioFu
IndexStableno change since Aug 17Aug 17$155 now$155€139 at Thomann · in stockCheck price ↗ -
The Truetone 1 Spot Pro CS6 is a solid, no-frills power supply that gets the job done reliably. It’s perfect for players with a moderate pedal collection who want a clean, compact solution without breaking the bank. The multiple voltage options make it versatile enough for both vintage and modern stompboxes.
Pros
- Excellent isolation prevents noise and interaction between pedals
- Compact flat design saves valuable pedalboard real estate
- Switched-mode technology ensures clean, regulated power delivery
Cons
- Lower current output on some voltages may limit high-draw pedal usage
- Cable lengths are somewhat limiting for complex pedalboard layouts
32AudioFu
IndexStableno change since Aug 17Aug 17$172 now$172€154 at Thomann · in stockCheck price ↗ -
The Truetone 1 Spot Pro CS11 is a serious power supply solution for players with a sizeable pedalboard and a need for clean, reliable power. Its multiple voltage options and isolation are a real boon for those running vintage or boutique pedals that can be finicky. This is ideal for the gigging musician who demands consistent performance from their effects.
Pros
- Multiple isolated outputs eliminate noise and interaction between pedals.
- Switched-mode design provides clean, regulated power, crucial for sensitive circuits.
- Reverse polarity adapters offer flexibility for older or unusual pedal designs.
Cons
- Relatively heavy, which can impact pedalboard stability and portability.
- Limited current on some outputs restricts use with high-draw pedals.
32AudioFu
IndexStableno change since Aug 17Aug 17$244 now$244€219 at Thomann · in stockCheck price ↗ -
This Truetone VS 1 Spot Combo Pack is a fantastic entry-level power solution for pedalboards. It's a budget-friendly way to ditch those daisy chains and get clean power to your effects, especially if you're just starting out or have a smaller collection. The included adapters are a huge bonus for versatility.
Pros
- Includes a surprising variety of adapters for broad pedal compatibility.
- The 1700mA output handles multiple power-hungry effects with ease.
- Compact design minimizes pedalboard real estate usage.
Cons
- Cable length is limited; longer cables might be needed for larger setups.
- Plastic housing feels a bit cheap compared to metal-encased alternatives.
Guitar Effect Power Supplies by the numbers
Measured across all 198 models we track, not a sample.
median of 18 models · 0.12 kg–1.54 kg
How to choose the best guitar effect power supplies
Clean Power Delivery
Truetone's focus is on delivering exceptionally clean power, minimizing noise and hum. This isn't just about eliminating obvious buzz; it's about preserving the subtle nuances of your pedals - that shimmering reverb tail, the warmth of your overdrive - that get lost with noisy power.
Isolated Outputs
This is huge. Truetone units isolate each output, preventing interaction between pedals and drastically reducing unwanted noise, especially crucial when you're stacking multiple gain stages or running sensitive analog circuits. It's the difference between a tight, defined rhythm tone and a muddy mess.
Heritage and Design
Truetone's roots are in high-end studio equipment, and that engineering mindset shines through. Their designs prioritize stability and reliability, often incorporating features you won't find elsewhere, like voltage regulation that keeps things consistent even under heavy load.
Transient Response
This is where Truetone really stands out. The power delivery is remarkably responsive - it handles the sudden voltage spikes from dynamic playing and fuzz pedals with ease, avoiding that dreaded "sag" or loss of articulation. It lets your playing breathe and keeps your tone punchy.
Build Quality
Truetone units are built like tanks. The enclosures are robust, the components are high-quality, and they're clearly designed to withstand the rigors of gigging. This isn't some flimsy plastic box; it's an investment in the longevity of your entire pedalboard.
Buying guide
Let's be honest, power supplies are the unsung heroes of your pedalboard. A flaky power supply isn't just about noise; it's about compromised tone, unreliable performance, and potential gear damage. Truetone has been quietly crushing it in this space for years, and if you're serious about your sound, you owe it to yourself to check them out - they're not just powering your pedals; they're protecting your investment and letting your pedals breathe.
Don't cheap out on power. Seriously. A cheap power supply can ruin expensive pedals.
Truetone's higher price point reflects the quality of the components and the engineering that goes into them. Consider your pedalboard's power needs - how many pedals, what kind of current draw - and choose a Truetone unit with adequate headroom. It's an investment that pays off in reliability and 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 6 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
Are Truetone power supplies noisy?
When properly matched to your pedals, they're exceptionally quiet. They're designed to eliminate noise, not mask it. If you're experiencing noise, double-check your pedal power requirements and ensure you're not overloading the unit.
Do I need a Truetone if I already have a decent power supply?
'Decent' is subjective. If you're experiencing noise or inconsistencies, or you're running a complex pedalboard with high-current demands, a Truetone will likely be a noticeable upgrade.
What's the difference between a Truetone LP and a WS?
The LP series is their classic line, while the WS series features a more compact form factor. Functionally, they're very similar; the WS is just for situations where space is at a premium.
Can I use a Truetone with my vintage pedals?
Absolutely. The clean, stable power is even more important for older, more sensitive analog circuits. It can often revive a pedal that's acting up due to power issues.
Are Truetone power supplies true isolation?
Yes, they are fully isolated. This is a key feature, preventing ground loops and interaction between pedals, which is vital for a clean, reliable signal.
