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Powered Speakers that use USB Port for Power
GA Flexradio Users,
There are many Powered Speakers out on the market that are powered by USB Cable.
I know that the 6400M has 2 USB ports on the back. So my question is this, If I purchase a set of powered speakers powered by USB cable. And plug them into the back of my 6400M, would that work?
Thanks!
Mark Griffin, KB3Z
Best Answer
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Mike-VA3MW Administrator, FlexRadio Employee, Community Manager, Super Elmer, Moderator adminOptions
As Neil and Bret mentioned, the USB ports are device control and have limited power.
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Answers
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Sec 31 of the manual suggests the answer is no. I had no trouble finding powered speakers with 3.5 mm TRS plug.
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The USB on the Radio is not for higher current loads like speakers but rather devices like FTDI Serial chipped devices or External Powered USB HUB's for more then 2 USB devices and items like the USB speakers because the USB Hub doesn't pull voltage from the USB ports on the radio.
Here are the ones I have found to work great and can be powered from the same 12 Volt power supply as your radio and have a metal case to help shield against RF,
There are some others that are generic from China that look identical and seem to work okay but StarTech branded are the one I use.
Here is a chinses brand 10 Port USB2 that may work to for a lot less money, https://www.amazon.com/Sipolar-Port-Great-Bitcoin-Miner/dp/B01K4LYX7U/ref=sr_1_37?dchild=1&keywords=powered+usb+2.0+hub&qid=1633115262&sr=8-37 .
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Thanks Mike!
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