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Your cart is empty.The Mini Iso-Brick Power Supply supplies quiet, noise-free DC power to wide range of pedal types while taking up less space than a candy bar. Whether you need a space-saving solution for your downsized travel board or you just need to power a small, carefully curated selection of tried-and-true staples, this little box has what you need. First, let’s talk outputs. The Mini Iso-Brick Power Supply has five, and each is fully isolated to eliminate obnoxious, gig-ending ground loop noise. Four of the outputs supply 9 volts of power at 300mA, while a fifth can be set to provide either 9 volts or 18 volts at 800mA depending on your needs. With a generous amount of current on tap and the ability to handle both negative and positive grounds, these outputs will accommodate almost any pedal, analog or digital. And don’t let the five outputs restrict you—if you need to add an extra pedal, the Mini Iso-Brick Power Supply has you covered. It comes with a splitter cable that can be used to connect two pedals to a single output, provided they require the same voltage and you don’t exceed the output’s current rating. You can do this with all of the outputs simultaneously—just purchase the extra cables to do so. Finally, troubleshooting can be a hassle on dark stages, so the Mini Iso-Brick Power Supply comes equipped with LEDs to let you know that all your connections are solid. Combine that with a lightweight housing that's built like a tank, and you can step on stage with confidence that your pedalboard will stay powered from gig to gig.
Bradley T. Riggleman
2025-09-02 12:12:06
For the power that it offers and its size and construction you cannot spend your money any better than this. And if you can find it on sale, even better. Because of the 9 V outlets 350 mA power reserves along with the 18 V having 800 mA of power, you have all the power you need! In my case, I have three 18 V pedals two of which needed 300 mA each, with the other requiring 100 mA. It runs them flawlessly and quietly using a 3 way power cable. That cable, I had to buy separately. It comes with most of the cables you need, including a splitter to run two pedals from a single outlet. Because of the 350 mA of power coming from a single 9 V outlet, you can even daisy chain pedals together from a single outlet as long as you calculate the number of milliamps your pedals need. I only daisy chain my analog pedals. The digital ones I tend to isolate. The only other power supply, I would even consider, is the Cioks DC7. Check it out if you need other voltages. Each power outlet can be configured for four different voltages, and it has tons of reserve power. However, it costs over twice as much as the MXR, but you will not be disappointed.
Rachel
2025-08-30 11:08:30
This power supply is perfect for my acoustic pedal board. All of the cables are included plus 1 extra “Y†cable to run from the power supply to 2 pedals. I use all 5 of the outputs and have no issues. It is quiet, tiny, and does not affect the sound of my guitar.
Andrew Sadlon
2025-08-04 13:11:20
Love the 18v and extra amperage options. Gigged this power supply on the same board without removing for 3+ years, probably around 500 gigs. Transformer finally quit on me (no voltage showing on multimeter). Thankfully I had my backup OneSpot. Ordered another power supply as this one was out of the one-year warranty. Decent longevity, but consider buying a backup transformer- hopefully my brick is still good when I plug the new one in.
Danny Thompson
2025-06-22 20:57:34
Small and powerful. Excellent for a small pedalboard
John Choma
2025-06-18 18:40:11
MXR has always made quality devices for musicians. The Iso-Brick is another item they offer that is of top notch quality. I'm using it along with a Cusack Pedal Cracker to add compression and reverb stompbox effects to my vocals and it has worked flawlessly. No noise either.
Dean Stevens
2025-06-09 11:05:15
The size and quality of this power supply is unmatched. Love the isolated power - super sturdy and well built. Perfect for mini boards.
JJ
2025-05-25 11:07:03
As somebody else mentions, the little power input barrel that delivers 110v to the mini iso brick is incredibly touchy - if you move your pedal board around at all - pick it up while powered, nudge it on the floor, whatever - the unit will lose power briefly and send a huge pop through the PA & monitors, and then you lose one or two of the power outputs in the mini brick, never to power up again. Contacted Dunlop and after a bunch of back and forth where I shipped the failed unit to them for inspection, they sent me a new mini iso brick(#2). I wish the story ended there but same thing happened with it, so I contact Dunlop, and they graciously sent me #3, after profuse apologies and lab testing of that 3rd unit. But guess what... 3rd unit just did the same thing, failed on me on stage again. I recommend any other power supply with a proper 110 power cord which plugs directly into the power supply, not this mini iso brick with the wall wart and ultra touchy barrel power input.
Nathan Hayes
2025-04-21 15:59:18
Perfect for a small board. No added noise. Reliable. Couldn't ask for more.
Derian
2025-03-27 12:22:58
Justo lo que buscaba, es súper prática, no mete ruido y trae sus cables y hasta adaptadores para otro tipo de enchufes, desde la caja es muy elegante. Me gustó mucho espero dure bastante:). Seguramente después compre otra igual de respaldo
Lucas Duxbury
2025-03-20 16:22:13
Got this for my bass board which is a pedaltrain nano+. Doesn’t really hard mount but Velcro works great. Been gigging it at stampede and it’s been great.Only complaint is that it doesn’t use IEC for power which would be easier to manage. Proprietary wall warts always scare me because if you lose it your screwed. And the plug is big enough that it takes up two spots on a 4 gang extension so you lose the plug next to it. Not a massive deal but still something that bugs me. I want small, easy and easily replaced.Other than that it’s perfect.
vivian
2025-03-15 18:10:36
Boîte abîmé, 3 câbles sur 5 et pas d alimentationPour ce que j ai payé il y a plus de vole qu une occasion
Mark K.
2025-02-17 21:57:36
Received the product as described and working as expected. Power Input connector is a bit loose and can be easily disconnected by a little jerk but overall a good product
Cliente
2025-02-12 18:32:05
Alimentatore che funziona bene e dimensioni ridotte. Non scalda ed alto amperaggio nelle uscite. Unico difetto il trasformatore proprio, un pochino grosso rispetto al box. Cmq ottimo per pedaliera effetti.
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