Harley Benton PowerPlant ISO-2 Pro

Multi Power Supply Unit for Effect Pedals

  • 8 Isolated, filtered and short-circuit protected outputs eliminate noise and hum
  • High amperage for modern digital effects
  • LED monitoring at each output
  • Powered via one 12 V @ 2 A DC power adapter (included)
  • Output A (1): 9 / 12 / 18 V DC @ max. 500 mA
  • Exit B (2): 9 / 12 / 18 V DC @ max. 500 mA
  • Outputs 3-8: 9 V DC @ max. 300 mA (individually isolated)
  • Dimensions (W x D x H): 70 x 140 x 30 mm
  • Weight: 200 g
  • Includes 8x 5.5*2.1 mm coaxial plug to 5.5*2.1 mm coaxial plug each with length of 60 cm, as well as 1x Y-Cable (voltage doubler) of 5.5*2.1 mm coaxial plug to 2x 5.5*2.1 mm coaxial plug with length of 30 cm

Note: The total output load may not exceed 18 W.

Further Information

DC/AC current DC
Output current in mA 2000 mA
9 V Yes
12 V Yes
18 V Yes
Secondary voltage No
Multi-output power supply Yes

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580 Customer Ratings:
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Total
quality
I own 11 of these. Outstanding product.
"Me" is too short a nickname so I picked this one inst, 06.03.2020
Pro:
- high amperage (up to 300mA, with 2 outputs offering up to 500mA)
"total output load may not exceed 18 W"
- 2 (out of 8) outputs can be set to 9V, 12V or 18V
- rugged piece of hardware, nice design
- LEDs showing status per output, supposedly warning you in case of overload (I never tested that feature)
- "Isolated, filtered and short-circuit protected" according to Thomann; these boxes never caused me any noticeable hum or noise
- price

Con:
- the power plug takes a lot of space on an electrical extension box
- you may prefer one of the smaller versions - or the new 12 output (10 + 2) version, which is even more cost efficient per output (provided that unit's max load and 2 enhanced outputs suffice for your pedals, voltage and amperage-wise).
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Total
quality
Works for the money
Stig-Filip, 23.03.2020
For what it costs it’s really good. That is also it’s flaw though, you get what you pay for.
I’ve used it for several months on my pedalboard and it’s been on many sessions and some live concerts.

Pros:
-The outputs are actually isolated
-The price is low but it still holds up quality wise
Cons:
-There are other power supplies for just a bit more money that is better.
-In my case, the outputs works fine with analog pedals but struggles a little bit with digital pedals, it doesn’t quite get the full sound.
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Total
quality
Probably all the power you'll ever need
albertotp, 20.05.2019
It's incredible what they achieved with this design, including many features of more expensive products in a relatively compact format and for a decent price. Quality-wise I cannot complain about it and I had no issues and no noise powering 6-7 pedals including digital tuner, modulation, looper, and using 12V and 18V options.
Many other reviews already mentioned that the power adapter could be more robust. Other thing is that all DC cables have 1 straight and 1 angled connection, which may not fit everyone's need. All DC cables have the same length and are too long, which is better than being too short, but for small boards plenty of cable management is required. I had to buy 2 additional short DC cables for it.

I've made a full review and isolation test here: youtu.be/NZqCcpu81rY

I've also managed to fit it under the Spaceship 50c by making slight modifications to the board: youtu.be/h8Lkg5a4ahg
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Total
quality
1-year review.
Søren, 28.12.2019
So far so good. This unit has lasted me for a year now without a hiccup. Which is more than can be said about the MXR Iso-brick which it replaced, that one burned out for no apparent reason.

I play mainly at home in studio settings, but move the board around now and then for sessions or the occasional gig.

This one is cheap, flexible, covers most people's needs in terms of mA and voltage options and it's covered by thomann's 3-year warranty.

I'm running a selection of analog stuff and high current digital pedals on it, and it's working very well. I often leave it turned on for days, and though it can get a bit warm at times, i've not had any trouble whatsoever. I don't honestly expect it to last a lifetime, but the price reflects this.

Obvious downside is the power brick that supplies it, but that's the cost of building a cheap isolated high current psu.

If you have a board with high power requirements, or just want a lot of room to grow/experiment, but don't want to splurge on a top shelp PSU, this is the best choice, i'm certain.
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$64.76 €57.98
Plus $33.50 shipping

The price in USD is a guideline price only!

Available immediately
Available immediately

This item is in stock and can be dispatched immediately.

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Offers include VAT and are valid as long as stocks last. We do not accept liability for typographical errors or inaccurate information of any kind. *RRP = manufacturer's / distributor's recommended retail price in Germany
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