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Author: topstuf
Date: July 7, 2020

The Best Pedal Power Supply Of 2020 - Buying Guide and Reviews

Wouldn’t be great if you can get a high-end power supply for your guitar pedal? For some of you this is a difficult task. You have been looking for a new model for so long and now you have lost your patience. Well, we are here to help. We will present you the best pedal power supply, period.

Top 5 Pedal Power Supply

Voodoo Lab Pedal Power 2 Plus Isolated Power Supply

Voodoo Lab Pedal Power 2 Plus Isolated Power Supply
  • A universal power supply for all battery-operated guitar pedal effects
  • The only universal power supply available which will power any type of Boss pedal effect
  • Features 8 completely isolated outputs
  • Comes complete with cables and a detachable AC power cord

Voodoo Lab Pedal Power 2 Plus Isolated is top on our list and for most users. The main benefit of this particular model is the presence of 8 outputs. The unit is made in the United States and comes with 5 year warranty. It is also available in several, different versions and each one might be the best for you.

The thing you must remember is that the model is made for 120V power. It can be used with lower or higher voltages but it will require a transformer. The AC cable is included in the package and it is a heavy-duty unit. In addition, this model is compatible with all Boss pedals.


  • 8 outputs
  • Modern design
  • Versatile usage
  • Warranty


  • Short cables
  • Some versions are expensive


Walrus Audio Phoenix 15-output 120V Clean Power Supply

A pedal power supply must be able to provide specific power output to all your pedals you may have. If you are thinking the same, you will see that this model is the right choice. The main reason here is the presence of 15 different outputs. Four of them are 9V and 300mA. Eight are 9V but 100 mA. Then we have two outputs that can be toggled between 9V and 12V. The last output can be toggled between 9V and 18V.

The unit we tested was black, but you can choose it in red, white or several other colors. Don’t forget that all the outputs have noise filtering which will make sure your audio is at the highest level possible. This is a premium model so it comes at a price. However, you get the ultimate quality and advanced versatility.


  • 15 outputs
  • Versatile
  • Different colors available
  • Overall construction


  • Expensive
  • Complicated to use


T-Rex Engineering FUELTANK-JUNIOR Guitar Effects Pedal Power Supply

T-Rex Engineering FUELTANK-JUNIOR Guitar Effects Pedal Power Supply with (5) 9V Outputs and a...
  • 5 x 9VDC isolated outputs (120 mA each)
  • Each output delivers 120mA
  • Delivers clean, quiet power

It is one of three versions available. Here you should remember that each version is completely different and comes with different design and characteristics. The guitar pedal power supply we tested is the Junior model. It has 5 outputs.

All the outputs send 120mA of power and all of them are 9V. This limits the applications a bit but it won’t be a big issue if you have a compatible pedal. What is more important is the fact the power delivery is clean and perfect in any way. We believe that you should choose this model if you like an affordable and simple power supply.


  • Clean power transfer
  • Three different models available
  • Looks great
  • Excellent customer support


  • Lack of ability to use different power output
  • Poor user manual


Accel Power Source 8 Isolated Output Pedal Power Supply for Guitar Effects Pedals

Accel Power Source 8 Isolated Output Pedal Power Supply for Guitar Effects Pedals
  • 8 Outputs; Each Output is Completely Isolated and Regulated with Over voltage Protection!
  • Designed with a High Efficiency Transformer, User's Manual & Customer Mounting Hole...
  • The Power Source 8, powers 9V, 12V & 18V effects pedals. Also can be switched to all 9V...
  • Dimensions; 6.00" L X 3 1/2 " W X 1 3/4" H. Power supply weight 1lb. 9 oz.

This particular unit has 8 power outputs and each one has surge protection. The power supply is compatible with all Accel pedal boards and you will use a simple 3 screw system to attach the new power supply. It is very easy and very versatile. There is only one version available. The construction is solid and there won’t be any issues. We can add that the power supply is paired with a great user manual.

The power outputs send 9V, 12V and 18V. You can also switch all of them to 9V only and you can get the most out of the single voltage if you have a need to do this. Other than this, we can add that the tested model weighs around 1 pound and it can be used by beginners and professionals. All the owners are perfectly satisfied with the unit.


  • Affordable
  • Easy to attach to the Accel boards
  • Versatile power outputs
  • Durable


  • Obsolete design
  • Isn’t compatible with models such as Seymour Duncan classic Tube

MXR M238 Iso-Brick Power Supply w/Bonus Deluxe Dunlop Variety Pick-Pack

MXR M238 Iso-Brick Power Supply w/Bonus Deluxe Dunlop Variety Pick-Pack 7-10137-08665-4
  • Pedalboard-friendly size
  • 10 fully-isolated outputs
  • Quiet, noise-free operation
  • Outputs 2 x 9V @ 100mA, 2 x 9V @ 300mA, 2 x 9V @ 450mA, 2 x 18V @ 250mA, 2 x Variable 6V...

Here we have a nice looking power supply that offers 10 outputs of different voltages and amperage. The first 2 are 9V and 100 mA. The second 2 are also 9V but 300 mA. You also get additional 2 outputs of the same voltage but 450 mA, reserved for more demanding pedals. The unit also features two 18V outputs with 250 mA. The last 2 are variable and you can switch between 6V to 15V and all of the settings have 250 mA. Keep in mind that each output is protected from power surge and insulated.

The unit is more powerful and versatile than you may believe. It is also known for providing clean and noise free power to all the pedals you can think of. In general, it is a professional model with a compact size and all the power outputs you will ever need. You can easily attach it to the pedal with a few steps. The price is very affordable considering all the features and advantages the tested model has to offer.


  • Well-made and looks great
  • Versatile outputs
  • Easy to attach to the pedal board
  • All outputs are insulated and paired with a surge protection


  • Customer support
  • Return policy


Voodoo Lab Pedal Power 2 Plus Isolated is the best pedal power supply and the one we like the most. Reasons are as follows. The model comes with 8 outputs, with insulation and surge protection. The unit is very versatile and can be paired with all kinds of Boss pedals. The warranty is 5 years which is impressive and each unit is handmade in the United States. All of this means that we give it 4.8 out of 5 star rating, or the highest one possible. In addition, we give it an honest recommendation.

Last update on 2024-06-12 / Affiliate links / Images from Amazon Product Advertising API

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