You can use USB for everything! I have these speakers but I lost the adapter. I read some things about USB powering and I started to make an USB adapter for my speakers and it worked!

Step 1: Materials

- Speakers with a plug showed on the picture
- A pair of scissors, a knife or anything to strip the wire (even your naisl will work)
- Usb wire, doesn't matter what kind but it must have a male plug.
- Connecting brock.
Waste of time
I'm wondering if maybe it's possible to do this with something bigger? Like a <a href="http://www.peachstateaudio.com/ProductDetail/K12_Qsc-75-Deg-1000-Watt-Active-12-2way-Loudspeaker-System" rel="nofollow">QSC K12 powered loudspeaker</a> or something. How small do the speakers have to be to work for this?
non sense <br>
That what i did :) and the speaker was 9v but it works with usb. the only bad things is that because of the low power from the usb i can play my music at full volume or it will sounds fuzzy.
true and to give you answer on the voltage.. i have no idea xD never checkt it but I will reply it soon to you.
BTW what is the voltages of your speaker?
Your Youtube video is set to private and I cannot view it. This makes me wonder as your trying to get a analog signal from a digital interface. Isn't there a chip missing on the speaker side or am I missing something?
I changed my Youtube video specifications so you can see what I mean. The audio is not going through the USB port. Only the power to let the speaker set work. The audio jack from the the speaker set must be inserted in the headphones audio in.

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