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Useful, hopefully reliable
The 5.5 x 2.1 mm plug is common in electronics, almost a standard. I use it to power a cooling fan for some of my equipment. The fan takes 12V for full speed, and operates silently and fast enough at 4.5V. Very convenient to be able to switch voltage.
I hope that Thomann as a reputable brand does proper QA. That's why I choose this instead of cheaper options from Amazon or Aliexpress.
I hope that Thomann as a reputable brand does proper QA. That's why I choose this instead of cheaper options from Amazon or Aliexpress.
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