Unleash Your Pedalboard's Potential with These 15 Isolated Power Supplies

Power is one of the single biggest factors that shapes how your pedals sound and behave. If you use multiple pedals, especially digital or high-current units, a cheap daisy-chain or mismatched adapters can introduce hum, tone loss, unpredictable behavior and frustrating gig-time failures.

This guide helps you choose an isolated power supply that eliminates ground loops, delivers the current your pedals need, and fits the space and budget constraints you face. By switching to the right isolated power source you can expect quieter rigs, more consistent tone, and fewer surprises when you perform or record.

Top Picks

How We Picked These Power Supplies

You want a power supply that keeps your sound clean and performs reliably under real conditions. We prioritized: 1) true isolation or robust noise-reduction design to stop hum and ground loops; 2) current capacity per output and total amperage so high-draw DSP pedals run without sag; 3) voltage flexibility (9V/12V/18V, switchable outputs or doublers) to fit varied pedal collections; 4) size and mounting options so the unit fits under or on top of your pedalboard; 5) build quality and warranty or responsive customer support; and 6) extra conveniences like USB ports, rechargeable batteries, bundled cables, or board combos that save you time and space. We balanced real-world user feedback with specifications and brand reputation so you can pick the best fit for your rig.

🎯 Best for Travel Boards

If you tour or just like a tidy, quiet pedalboard, this is the kind of power supply that makes life easier. You get eight fully isolated 9V outputs (each capable of up to 500 mA), a hybrid transformer design that keeps noise out of your signal chain, and worldwide 100–240 VAC compatibility so you can plug in almost anywhere.

It’s small and light enough to tuck under travel boards, but sturdy enough to handle regular gigging and back-to-back rehearsals. For everyday home use it keeps your pedals silent and predictable; for shows or travel it saves you the headache of mismatched adapters and hum.

If you want simplicity and reliability without fuss, this is a solid pick.

What People Say

Customers consistently praise how quiet and well-built this unit is, noting that it removes ground hum and keeps pedals sounding clean. People also like the compact size for travel boards and the international voltage support.

A few users mention the overall current limit and cable length as practical things to check before you buy, but most point to reliability and solid construction as the main strengths.

Overall Sentiment: Positive

Situational Benefits

Versatility

This supply works for a wide range of setups: from simple three-pedal boards to multi-effect rigs, and it can expand from a Pedal Power 3 Series via X-LINK. The mix of high-current outputs and the ability to combine channels for 18V needs makes it adaptable whether you’re running analog stomps, a few DSP drives, or hybrid setups.

Key Benefits

• Eight isolated outputs that eliminate ground hum
• Each output can deliver up to 500 mA for power-hungry pedals
• Ultra-compact design fits under most travel boards
• 100–240 VAC operation for international use

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💰 Best Budget Pick

If you’re putting together a small to mid-sized pedalboard and don’t want to overcomplicate things, this is a practical little workhorse. It gives you ten separate DC outputs so you can power a handful of 9V pedals plus a single higher-current 9V, a 12V and an 18V line for the odd oddball effect.

The aluminum case keeps it light and tidy, the built-in noise reduction helps cut hum, and the bright blue LEDs double as handy board lights when you’re setting up in low light. It’s a solid everyday option for home practice, recording sessions, and casual gigs — just be aware the maker’s design aims to simulate isolation rather than match pro-grade fully isolated supplies, so it’s best for players who need reliable, inexpensive power rather than pro touring-level guaranteed isolation.

What People Say

Most users appreciate how quiet and compact the DP-1 is, and many call out the build quality and simplicity as big pluses. People often mention the useful LED lighting and the convenience of multiple voltage options, while a small number of buyers question whether the outputs are truly isolated under heavy or mixed loads.

Overall Sentiment: Positive

Situational Benefits

Versatility

This unit suits players who need a straightforward, space-saving power solution: from single-effect hobby boards to modest multi-pedal rigs. The mix of low-current and one higher-current 9V output plus 12V/18V options covers common pedal needs, though if you require guaranteed, professional-grade isolation for high-end studio or touring setups you may want a true isolated supply.

Key Benefits

• Ten individual outputs to power multiple pedals without a messy daisy chain
• Noise-reduction design that cuts hum for cleaner tone
• Independent short-circuit protection so one fault won’t kill the whole board
• Compact, lightweight aluminum body that’s easy to mount or tuck away
• Bright LED indicators that also help illuminate your pedalboard

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⭐ Best for Digital Pedals

If you’re trying to tame a noisy pedalboard or consolidate power for a mix of analog and digital pedals, this Mosky setup is a really useful option. You get seven 9V low-current outputs, a higher-current 9V, and two switchable 9/12/18V outputs that cover the weird pedals you sometimes stumble across.

The USB port is handy for charging a phone or powering a small digital device, and the built-in noise filtering plus separate protections mean a single fault won’t take your whole board offline. It’s compact enough to tuck under a board for practice, stable enough for recording sessions, and flexible enough to serve as a reliable secondary gigging supply if you’re not running a pro touring rig.

What People Say

You’ll often hear that this unit quiets down noisy setups and gives clean, reliable power to both analog and digital pedals. Buyers commonly praise the selectable 9/12/18V outputs, the USB port, and the overall feel of solid build quality, while a few mention packaging, cable length, or rare hum on specific older pedals as minor annoyances.

Overall Sentiment: Positive

Situational Benefits

Versatility

You can use this as a daily desktop or pedalboard power hub: it handles common 9V pedals well, supports a couple of higher-voltage needs, and even charges small USB devices. It’s versatile for home players, hobby giggers, and anyone who needs a compact, mostly plug-and-play isolated supply — though full-time touring pros may still prefer higher-end, rack-oriented solutions.

Key Benefits

• Ten truly isolated outputs to reduce ground-loop hum and keep signals clean
• Two switchable 9/12/18V outputs for pedals that need nonstandard voltages
• Built-in short-circuit and overcurrent protection so one bad pedal won’t kill the whole board
• USB port for charging small devices or powering USB-driven gear
• Aluminum housing and noise-filtering circuitry for low operational noise

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🏆 Best Overall

If you want a no-nonsense way to clean up your board, this Voodoo Lab unit is one of those pieces of gear that just makes life easier. You get twelve isolated outputs (ten fixed 9V plus two switchable 9V/12V), enough current for modern DSP pedals, and X-LINK expansion if you want to grow later. It’s designed for low noise—hybrid DC transformer circuitry and linear regulation mean less hum and cleaner tone—yet it’s surprisingly light and low-profile so you can tuck it under many boards. Use it for everyday practice, recording sessions where silence matters, or as the backbone of a gig-ready rig; it’s built to be reliable on the road and handles international voltages without fuss.

If you care about tone and want a single, dependable power source for a mixed board of analog and digital pedals, this is a solid choice you can stick with for years.

What People Say

Most users say this unit noticeably quiets noisy pedal setups and reliably powers high-current pedals that simpler supplies struggled with. People routinely highlight the clean, low-noise performance, solid build, and the convenience of multiple 500mA outputs and expansion options. A few mention size or mounting considerations on very small pedalboards, but overall impressions lean heavily toward satisfaction with reliability and tone preservation.

Overall Sentiment: Positive

Situational Benefits

Versatility

This is a flexible daily driver: it covers classic 9V stomps, powers modern DSP units, and expands if your setup grows. It’s equally useful for home players, studio work, and most gigging situations — full-time touring pros with rack setups might still prefer larger, rack-mounted power solutions, but for most pedalboard users this hits a sweet spot between capability and portability.

Key Benefits

• Twelve truly isolated outputs (10×9V, 2×switchable 9/12V) to prevent ground-loop hum
• High-current 500mA outputs that handle modern DSP and multi-function pedals
• X-LINK expansion ports for adding more isolated outputs as your board grows
• 100–240VAC support for international use without extra adapters
• Hybrid DC transformer plus linear regulation for very low operational noise
• Ultra-light aluminum chassis and included DC cable kit for quick setup

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🎒 Best Board Bundle

If you want a tidy, grab-and-go solution that also sorts out power, this Vangoa PD-M is worth a close look. You get a solid one-piece-bent aluminum frame that feels more durable than the hollow-tube boards, fold-up legs that give a comfortable playing angle, and a built-in isolated power supply so pedals run quieter and neater.

It handles most 9V stompboxes right on-board while offering separate 12V and 18V taps for the occasional oddball unit, and the backpack-style bag keeps cables and accessories together for rehearsals, busking, or quick weekend gigs. It’s practical for everyday practice, clean enough for home recording, and rugged enough to toss in the car for a rehearsal — if you want a compact, all-in-one board that makes setup less fiddly, this is a convenient choice you can rely on.

What People Say

Customers commonly praise the unit for cutting noise and keeping pedal setups tidy thanks to the built-in isolated power. Many mention the sturdy aluminum build and how handy the fold-up legs and backpack bag are for transport.

A few people note minor fit-and-finish things like adhesive-backed rubber feet that can come loose or the brightness of the light bar, but most users appreciate the overall convenience and noise reduction it brings to small and medium rigs.

Overall Sentiment: Positive

Situational Benefits

Versatility

You can treat this as an everyday board or a compact gig setup — it powers standard 9V pedals, covers a few 12V/18V needs, and is small enough for travel yet roomy enough for a typical mid-sized pedal layout. If you use very high-current pedals, you might pair it with a dedicated supply for those units, but for most players this covers the bases between portability and practical power.

Key Benefits

• Integrated isolated power supply reduces ground-loop hum and keeps your tone cleaner
• Multiple outputs — plenty of 9V outlets plus separate 12V and 18V options for odd pedals
• One-piece bent aluminum chassis for better rigidity and road-ready durability
• Foldable legs with a slight tilt for comfortable playing and easy storage
• Backpack-style bag with pockets keeps cables, adapters and accessories organized
• Long AC lead and included Velcro strips simplify setup and cable routing

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🔒 Most Versatile Outputs

If you’re trying to tame a mid-size pedalboard without turning it into a tangle of daisy chains, this Ghost FIRE GP8 is the kind of box that makes life easier. You get six dedicated 9V jacks plus two that you can switch between 9/12/15/18V for those oddball pedals, plus a USB-A port for a phone or LED strip.

Each output is isolated and has its own short-circuit safeguard, so a hiccup on one pedal won’t darken the whole chain. It’s compact enough to sit under or on top of most boards and sturdy enough for casual gigging; for home practice, small shows, or studio sessions it handles a variety of setups without fuss. If you want something flexible that covers different voltages and keeps noise down, this is a practical, space-friendly option.

What People Say

People often mention that the GP8 delivers clean, quiet power and that the adjustable outputs are a real convenience when you run more than just 9V pedals. Users like the compact size and the safety net of per-channel protection.

A handful report issues with individual units or compatibility quirks (like certain adapter plugs or cable fit), but the general impression is that it’s a capable, flexible supply for everyday rigs.

Overall Sentiment: Positive

Situational Benefits

Versatility

This unit is genuinely flexible — it handles standard 9V pedals, offers higher-voltage options for specialized gear, and even provides a USB port for accessories. For most players with mid-sized rigs it removes the need for extra wall warts or multiple adapters.

If you run very high-current devices or a very large board, you might still pair it with a dedicated high-current supply, but for versatility across common pedal types the GP8 covers a lot of ground.

Key Benefits

• Multiple isolated outputs reduce ground-loop noise and let you mix voltages safely
• Two switchable outputs (9/12/15/18V) cover vintage or modern pedals that need higher rails
• Independent short-circuit protection on each channel prevents one fault from taking down the whole board
• Compact footprint fits neatly on or under most pedalboards without adding bulk
• Built-in USB 5V port gives a convenient spot to charge a phone or power small accessories
• Sturdy power brick and grounded mains lead help keep power delivery stable

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🪄 Best for Vintage Tone

If you care about tone and hate buzz, this is the kind of power supply that quietly fixes a lot of the little annoyances on a pedalboard. You get eight fully isolated outputs so each pedal gets its own clean feed, plus two special outputs that let you dial in a voltage sag for older fuzzes and vintage-style circuits. It ships with cables and a detachable AC cord, and the build feels solid — the unit is made in the U.S.

and comes with a long warranty, so it’s reliable for regular rehearsal use or repeated load-ins. For daily practice and studio tracking it keeps noise down and makes pedals behave; for small gigs it’s sturdy enough to sit on or under a board.

If you run a very large rig or lots of high-current stompboxes you may need additional high-current outputs or doublers, but for most players who want cleaner tone and the option to get that battery-sag feel, it’s a practical, confidence-inspiring choice.

What People Say

Customers commonly highlight how much cleaner their rigs become after switching to this supply — fewer hums, less grounding noise, and steadier pedal behavior. Lots of players praise the build quality and the convenience of the sag and Line 6-compatible outputs. A few users note limits around high-current pedals, cable length, or regional voltage requirements, but the overall consensus is that it’s a dependable, tone-friendly upgrade.

Overall Sentiment: Positive

Situational Benefits

Versatility

This supply is versatile for players who mix analog vintage effects with modern pedals — isolated outputs handle everything from low-current fuzzes to standard 9V boxes, and the dedicated sag and Line 6-capable jacks cover niche needs without extra adapters. It won’t replace a dedicated high-current monster for very large or power-hungry rigs, but for most small-to-medium boards it removes the clutter of wall-warts and keeps your signal chain quiet.

Key Benefits

• Eight fully isolated outputs reduce ground-loop hum and keep pedals quiet
• Two variable 'power sag' outputs let you simulate dying battery behavior for vintage fuzz and tone
• Regulated, highly filtered outputs give stable power for both analog and modern digital pedals
• Comes with hookup cables and a detachable AC cord so you can get set up quickly
• Handmade construction and a long warranty add durability and peace of mind for gigging or rehearsal

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📦 Best Space-Saver

If your board is cramped or you travel light, this is the kind of compact power supply that makes life easier. You get five fully isolated outputs — four fixed 9V outputs and a toggleable 9V/18V output with healthy current — plus a splitter cable so you can stretch outputs when needed.

It’s small enough to tuck under a pedalboard, durable enough to survive gigging, and has LEDs so you can check connections on a dark stage. Use it for daily practice to cut hum and tidy up cables, toss it in your bag for weekend shows, or keep it on a compact travel rig when you don’t need a giant supply.

For most players trying to keep things simple and quiet, it’s a smart, practical choice.

What People Say

People consistently praise how much quieter their rigs get after switching to this unit and how compact it is for smaller boards. Buyers often point to the isolated outputs, the useful 9V/18V toggle, and the sturdy build as highlights, and many appreciate the included splitter and visible LEDs for quick troubleshooting.

Overall Sentiment: Positive

Situational Benefits

Versatility

This supply is ideal if you run a small-to-medium board and want neat, isolated power without a bulky brick. It covers most standard 9V pedals, offers an 18V option for specialty units, and the splitter lets you extend outputs when safe. It won’t replace a huge, high-current rack supply for massive rigs, but for compact setups it handles a surprising variety of pedals with ease.

Key Benefits

• Five fully isolated outputs reduce ground-loop hum and keep your pedals quiet
• One toggleable 9V/18V output with high current handles boost-hungry pedals
• Compact, lightweight housing fits under most pedalboards and travel rigs
• Includes a splitter cable so you can power two low-current pedals from one output
• Bright LEDs make it easy to confirm connections on dim stages

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💡 Best for Beginners

This little power brick is exactly the kind of tool you reach for when you want reliable, tidy power without overcomplicating your board. You get seven individually protected outputs — six low‑current 9V ports and one beefier 9V/300mA jack — plus two AC outlets on top so you can plug in a phone charger, small speaker or adapter.

It’s got a noise filter to keep hum down, LED power indication, and a compact plastic housing with a detachable 5 ft cord, so it tucks into bags or under boards easily. Use it for daily practice to cut background buzz, for weekend gigs when you don’t need a pro rack supply, or as a handy backup in the studio. If you’re building your first pedalboard or want an affordable second supply, this is a practical, no‑nonsense pick you can depend on.

What People Say

Most people notice a big drop in hum and appreciate the convenience of isolated outputs and the extra AC sockets. Buyers often mention it’s compact and reliable for home use or small rigs, while some call out the plastic build, bright LED and occasional missing cables or lack of a master power switch as drawbacks.

Overall Sentiment: Positive

Situational Benefits

Versatility

This supply is a great fit for beginners, small boards, and anyone who wants a compact secondary unit. It covers most standard 9V pedals and the single 300mA jack gives a little extra headroom for boostier effects.

It’s not aimed at large, high-current digital rigs, but for everyday use, travel, and simple studio setups it handles a wide range of needs with minimal fuss.

Key Benefits

• Seven isolated outputs keep a short on one channel from taking down the rest
• One 9V/300mA output handles slightly more demanding pedals while six 100mA ports suit small stompboxes
• Two AC outlets let you charge devices or plug in small accessories without extra adapters
• Built-in noise filtering reduces hum so your tone stays clean during practice and recording
• Compact design and detachable cord make it easy to fit on boards or slip into a gig bag

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⚡ Best for Small Rigs

If you want a tidy, no‑fuss way to power a compact pedalboard, this is the kind of unit you’ll reach for. The SPS‑20 gives you ten separate DC outputs with a mix of low‑current 9V ports plus two higher‑current 9V jacks and dedicated 12V/18V taps for boutique pedals, plus four AC sockets on top for chargers or small accessories.

It uses individual output protection and a noise filter so a hiccup on one channel won’t necessarily kill the rest of your rig, and its small footprint means it slips under most boards or into a gig bag. Use it for daily practice, rehearsals, small gigs, or as a studio spare — it’s especially handy when you need a compact power hub that covers more than just standard 9V stompboxes.

What People Say

People commonly like the value and flexibility — the mix of 9V, 12V and 18V outputs plus the AC sockets gets called out a lot. Many buyers say it tidies up their board and powers pedals reliably, while a smaller group notes occasional noise or grounding quirks depending on pedal combinations.

Overall customers appreciate the features for small rigs, though a few advise caution with very high‑end, high‑current digital pedals.

Overall Sentiment: Positive

Situational Benefits

Versatility

This unit is built around versatility for small to medium setups: it handles the usual 9V stompboxes, offers a couple of higher‑current 9V outputs and covers boutique pedals with 12V/18V taps, plus AC sockets for extras. It’s not aimed at powering very large digital racks or multiple power‑hungry amps, but for practice, rehearsals, travel boards and acting as a reliable second supply it covers a broad range of needs.

Key Benefits

• Ten independent outputs cover a wide mix of pedals including 12V and 18V boutique units
• Individual short‑circuit control helps keep one problem from taking down your whole board
• Four top AC outlets let you power or charge accessories without extra adapters
• Built‑in noise filtering and sturdy construction reduce hum and heat under normal use
• Compact footprint and multiple output types make it easy to tuck into boards or bags

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🧩 Best for Versatility

You get a lot of practical power options in a compact package with the SPS‑10. It gives you ten isolated outputs that cover common 9V stompboxes plus two higher‑current 9V jacks and dedicated 12V and 18V ports for oddball or boutique pedals. Built‑in noise filtering and per‑output short‑circuit protection mean a hiccup on one pedal is less likely to disturb the rest of your board, and the lightweight aluminum housing helps with heat dissipation.

It arrives with a set of DC cables, polarity adapters and velcro for mounting, so it’s useful straight out of the box for daily practice, rehearsal, small gigs or as a studio backup. If you want a flexible supply that handles a varied pedal collection without taking up much space, this is an easy unit to recommend — just plan for a short mains lead on the unit itself.

What People Say

Buyers frequently praise the SPS‑10 for being quiet, reliable and surprisingly flexible — the mix of outputs and included cables gets mentioned a lot. People also note the solid metal construction and useful mounting accessories.

A recurring downside is the short mains cable and the straight pigtail plugs, which can make routing tight under some boards, but most users say it powers their pedals cleanly and keeps noise to a minimum.

Overall Sentiment: Positive

Situational Benefits

Versatility

This unit is built around versatility for players who run mixed rigs: it handles standard 9V pedals, offers higher‑current 9V outputs for hungry units and gives you 12V/18V taps for boutique gear. It won’t replace a full rack supply for very large digital setups, but for most practice rigs, rehearsal boards and compact gig setups it covers everything you need and then some.

Key Benefits

• Ten fully isolated outputs cover a wide mix of pedals and voltages including 12V and 18V
• Independent short‑circuit protection keeps other outputs running if one channel trips
• Built‑in noise filter reduces hum and makes quieter pedals behave better
• Includes DC cables, polarity reversal adapters and Velcro for fast mounting
• Aluminum alloy body dissipates heat while keeping the unit light and portable

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🔋 Best with USB

You get a roomy, no‑nonsense power hub that’s built to keep your pedals quiet and stable. Seven 9V 300mA outputs, one 9V 500mA, and two 9/12/18V adjustable 500mA ports mean you can run a mix of dirt boxes, modulation, and a couple of hungry pedals without juggling converters.

The USB port is handy for keeping your phone or tuner charged between shows, and the per‑output short‑circuit protection plus LED indicators make troubleshooting quick when something wonky happens. It’s a smart fit for daily practice, rehearsal nights and small gigs — and if you need a compact spare for travel or a backup board, this one does the job without fuss.

What People Say

Most people say the LEKATO is surprisingly quiet and reliable for powering mixed pedalboards, with the adjustable ports and per‑output protection repeatedly praised. Users like the solid metal case and the LED indicators that make it obvious when a cable isn’t seated.

A handful of players mention mounting orientation or rare long‑term faults, but many note responsive support when issues come up.

Overall Sentiment: Positive

Situational Benefits

Versatility

This supply is built for mixed rigs: standard 9V pedals, a couple of higher‑draw units and boutique 12/18V pedals are all covered, plus a USB port for small accessories. It won’t replace a full rack supply for very large digital rigs, but for most practice setups, rehearsals and compact gig boards it handles everything you’ll reasonably throw at it.

Key Benefits

• Ten truly isolated outputs deliver clean, hum‑free power to each pedal
• Two adjustable ports (9/12/18V) let you run boutique or 18V pedals without extra adapters
• Per‑output short‑circuit and over‑current protection keeps one fault from killing your whole board
• Built‑in USB port for charging a phone or USB tuner while you play
• Aluminum body with LED indicators for durability, heat dissipation and easy status checks

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🎨 Most Eye-Catching

You get a compact, colorful power hub that’s designed to keep your pedals quiet and organized. Ten isolated outputs cover 9V, 12V and 18V needs, plus there’s a USB port for charging a phone or tuner between songs. The metal casing and LED status lights make it easy to mount on a small board and spot a loose cable quickly, and the built‑in noise filter helps preserve your tone during practice, rehearsals or low‑key gigs.

If you’re building a beginner or mid‑sized rig and want something portable that just works, this is an easy choice to toss in a gig bag or stash under your pedalboard.

What People Say

Most users appreciate how easy it is to set up and how steady the power delivery feels—people often call out the isolated outputs, multi‑voltage support and USB port as practical perks. The metal housing and LEDs get frequent nods for durability and clarity, while a small number of users report audible hiss on certain units, making occasional returns part of the feedback mix.

Overall Sentiment: Positive

Situational Benefits

Versatility

This supply covers a wide range of small to medium boards: standard 9V pedals, a few 12/18V units and a USB accessory can all be powered from one compact box. It’s not aimed at massive digital racks, but for most practice rooms, rehearsals and tight gig boards it handles the job cleanly.

Key Benefits

• Ten truly isolated outputs to reduce hum and keep pedals from interfering with each other
• Supports 9V, 12V and 18V pedals so you don’t need multiple adapters
• Per‑output short‑circuit protection and LED indicators for quick troubleshooting
• Built‑in noise filter to help preserve clean tone across your chain
• Sturdy aluminum case and compact footprint that fits neatly on most boards

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🚀 Best for Gigging

If you want a no-nonsense power source that keeps your pedals quiet and your setup tidy, the DP-3 is a strong pick. You get ten isolated outputs with a mix of 9V, 12V and 18V options plus higher‑current ports for hungry pedals, all in a compact metal box with LEDs so you can spot an issue at a glance. It’s rugged enough to live on a gig board but light and small enough to slip in a practice bag, so it works for daily rehearsals, weekend shows or run-and-gun setups. I’d suggest it if you need reliable isolation without hauling a big power brick — it covers most small-to-mid rigs and plays nicely with both analog stompboxes and a few digital units.

What People Say

Customers frequently mention clean, quiet performance and appreciate that the isolated outputs actually stop buzz and grounding issues. People also like the mix of voltages and the compact metal case for saving pedalboard space, while a few note minor reliability hiccups like persistent LEDs or an initial spark on first plug‑in.

Overall Sentiment: Positive

Situational Benefits

Versatility

This unit handles most small-to-mid pedalboards: standard 9V stompboxes, a handful of 12V/18V units and a couple of higher-current pedals. It isn’t aimed at giant digital racks, but for gigging players who mix analog and a few digital boxes it’s a flexible, space-saving solution.

Key Benefits

• Ten truly isolated outputs to minimize hum and interaction between pedals
• Supports 9V, 12V and 18V devices with dedicated higher-current ports for demanding pedals
• Compact sandblasted aluminum housing that’s lightweight yet durable for gig use
• LED indicators per port for quick troubleshooting on stage or in rehearsal
• Includes various cables and polarity adapter so you can get running fast

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🔌 Best Rechargeable

If you like the idea of unplugging your pedalboard and still playing for hours, the JP-02 makes that easy. It packs a rechargeable battery that doubles as a UPS, ten outputs with a useful mix of voltages and a higher‑current port for hungry pedals, and bright LEDs so you can see what’s active.

It’s compact enough to fit under smaller boards but roomy enough to power a handful of digital and analog pedals during rehearsals, backyard jams or short gigs. You can run it while charging if you need longer sessions, and the independent short‑circuit protection on each output helps keep a misbehaving pedal from taking everything down — a practical, portable choice if you want mobility without guessing which adapter to bring.

What People Say

People tend to like the JP-02 for giving their pedalboard real freedom — customers mention solid battery life for multiple gigs, noticeably quieter setups compared with cheap wall supplies, and appreciation for the varied outputs and LED status lights. Common gripes pop up around cable stiffness, the placement of the power switch, and a few users questioning whether some outlets act perfectly isolated under every condition.

Overall Sentiment: Positive

Situational Benefits

Versatility

The JP-02 is flexible for compact to mid-size boards — it handles standard 9V stompboxes, a few power‑hungry pedals via its 500mA outputs and offers 12V/18V options for older or specialty pedals. The rechargeable feature makes it especially useful for mobile players, though it’s not meant to replace large pro power racks with many high-current digital units.

Key Benefits

• Rechargeable battery that provides portable power and works as a UPS while charging
• Ten outputs with a mix of 9V, 12V and 18V options plus a 9V 500mA port for higher‑draw pedals
• Independent short‑circuit protection and per‑channel indicators for safer, easier troubleshooting
• Low‑noise switching design aimed at reducing hum and ground interaction
• Compact metal/plastic housing that fits under smaller boards and includes cables/polarity adapter

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FAQ

How Do I Choose The Right Isolated Power Supply For My Pedalboard?

You choose by matching the supply's real-world capabilities to the pedals you own and plan to add. Start by listing each pedal's voltage and current requirements and map your pedals and add up the current draw so you don't exceed per-output or total current limits.

Look for supplies that offer the voltages you need (9V, selectable 12V/18V options, USB if you use phones or controllers), enough isolated outputs so you avoid daisy‑chaining noise-sensitive pedals, and adequate per‑output amperage for modern DSP units. Consider form factor and mounting options so the unit fits under or on your board, cable length so plugs reach comfortably, polarity adapters if you have older pedals, and whether the unit supports expansion (for example, some supplies add isolated outputs through expansion ports or voltage‑doubler cables).

Finally, pick a design with short‑circuit/overcurrent protection and bright status LEDs so you can troubleshoot quickly on stage or in rehearsal.

Will An Isolated Power Supply Eliminate Noise And Ground Loops?

Isolation dramatically reduces common ground hum and pedal interaction because each output is galvanically separated, so isolation eliminates ground loops in most cases and lets your pedals sound cleaner. That said, isolation won't fix every noise source: poor cable shielding, a noisy pedal, a pickup that reacts to nearby transformers, or signal‑chain issues can still create hum or high‑frequency whistles.

To get the quietest result, mount the supply where it won't sit directly under sensitive pickups, use short well‑fitted pigtails, separate power and audio cables where possible, and isolate high‑current digital pedals on their own capable outputs. If you still hear noise after switching to an isolated supply, systematically unplug or move pedals to identify the culprit—isolated supplies make troubleshooting far easier.

How Do I Safely Power High‑Current Or 18V Pedals And Avoid Overloading The Supply?

You keep your rig safe by checking both the per‑output rating and the unit's total available current, then planning accordingly. Use the higher‑amperage outputs for DSP and multi‑effects pedals and avoid putting several 500mA devices on a supply whose total current is lower than the sum of those demands.

For 18V pedals, use a dedicated 18V output or a manufacturer‑recommended voltage‑doubler cable or adapter; confirm polarity before you plug in. Label and test each connection at home first, watch for indicator LEDs or built‑in short‑circuit protection that will show if a channel trips, and keep spare adapter plugs and a small multimeter handy so you can verify voltages on the fly. If you plan to tour internationally, choose a supply rated for 100–240VAC or bring an appropriate, grounded IEC cable so you can plug in anywhere without risking the electronics.

Wrapping Up

Choosing the right isolated power supply is one of the fastest ways to improve the reliability and tone of your pedalboard. If you want industry-leading performance and room to grow, the Voodoo Lab PP3P earns the top recommendation for overall capability and low noise. If you travel light but need clean, high-current outputs, the Voodoo Lab X8 balances size and performance.

On a tighter budget, the Mosky ISO10 and Donner DP-1 give you true isolation and flexible voltages without breaking the bank. Finally, if you need portability or a built-in battery backup, consider the JOYO JP-02. Use the selection criteria above to match capacity, voltage options and size to your specific pedals so you get quieter, more consistent tone and fewer power headaches.

Product	Image	Output Types	Weight
Voodoo Lab Pedal X8 High Current Power Supply		8 outputs 9V DC 18V capable	1 pound
Donner DP-1 Guitar Power Supply		10 outputs 9V, 12V, 18V isolated DC	6.9 ounces
Mosky Guitar Pedal Power Supply		10 outputs 9V, 12V, 18V USB port	1.65 pounds
Voodoo Lab Pedal Power 3 PLUS		12 outputs 9V, 12V high current	2.25 pounds
Vangoa Guitar Pedal Board		10 outputs 9V DC	7.41 pounds
Ghost FIRE Pedal Power Supply		8 outputs 9V, 12V, 15V, 18V USB	2.4 pounds
Voodoo Lab Pedal Power 2 PLUS		8 outputs 9V DC variable voltage sag	3.08 pounds
MXR Mini Iso-Brick Power Supply		5 outputs 9V, 18V splitter capable	2.47 ounces
Hiree Guitar Pedal Power Supply		7 outputs 9V DC AC outlets	12 ounces

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