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Boston Power Converter USB auf 9V/1A

5.0 out of 5 stars from 41 customer ratings ()

USB Cable

  • USB to 9V/1A
  • USB Male 5V
  • Barrel connector: 2.1 x 5.5 mm, centre negative
  • Cable length: 50 cm
  • For power supply of effect pedals with USB power bank
  • Strong and clean DC voltage for effect pedals
  • Prevents problems with AC power supplies
  • Note: Please read the operating instructions of your pedals to avoid overloads
  • Available since December 2023
  • Item number 580708
  • Sales Unit 1 piece(s)
  • to Connector USB A 2.0 male
  • to Connector EP4 female
9.90
All prices incl. VAT
In stock
1

41 Customer ratings

5 / 5

quality

24 Reviews

FG
OK for pedals under 1A
Filipe Geyer 21.05.2026
I thought it would power my Headhush VX5 since both this adapter and the pedal is 9v - 1A, but it is not strong enough to power it.

Instead, I use to power other 3 pedals that together add up to 850 ma and it works really well.

It gets a little bit warm with use.
No noise issues at all.

If you need max around 800ma I would recommend this, although I am not sure it would last for hours bc it gets a little warm. but as for now, I would definitely recommend it.
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s
Exactly what I needed
stimresp 15.02.2026
It powers 6 pedals on my small practice board without any issues. It lives up to it's promise.

Clear recommendation.
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E
Works great
EmilStudio 12.11.2024
Works great with boss pedals.
I tried 2 other that didn't work, not enough power.
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J
A nice tool to have
JohnnyBSR 16.06.2026
It is great if you want a quick way to use a pedal not looking for cables. I always have it on my desk just in case
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