Rockbox General > Rockbox General Discussion
USB Speakers - Any Problem With This Idea?
CharlesT:
I have a set of USB speakers that I'd like to use with my Sansa E200 on job sites.
I thought I'd take a trashed USB hub and rewire it so only two ports work. Each port gets 5VDC from a wall wart capable of 1.2A. The data line from the E200 gets routed directly to the data line of the USB speaker et voila a cheap jukebox that doesn't use batteries and keeps my player charged.
Any possible setbacks to this idea?
Llorean:
USB speakers require that the e200 support USB audio, which it doesn't. Rockbox just barely has a new UMS mode, but nobody's even working on a driver for such hardware.
CharlesT:
Blast.
OK how about taking the audio out from the headphone jack and routing it to the data line of the USB speaker.
I'm grasping at straws now aren't I.
edit spelling
Llorean:
You do know that there are speakers that draw power from a USB cable, but audio from a headphone jack. You could just use those. Get a cheap USB hub, just use it to provide power to the MP3 player and the speakers, and run a basic audio cable between them. I do this all the time (well, I use the USB port on my Gigabeat's dock to provide power to the speakers, actually, but it's the same concept). I know creative makes some Travelsound speakers like this, and there are surely many others.
Because they're powered from a USB port, you can get USB battery packs to power them on the go as well, and because they use a normal audio cable, you can use them with a much wider range of devices.
markun:
--- Quote from: Llorean on February 24, 2008, 06:10:28 PM ---USB speakers require that the e200 support USB audio, which it doesn't. Rockbox just barely has a new UMS mode, but nobody's even working on a driver for such hardware.
--- End quote ---
It also requires USB host support, which I don't think anyone has worked on either.
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