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Somewhat of a newbie.
I've been reading these forums for a couple of months now and got my carputer installed last weekend. I have, from what I can tell, an odd problem. Here is my audio setup:
Toshiba Portege M205 Tablet
Toshiba Port Replicator (plugged into an inverter wired to a cigerette lighter)
Turtle Beach Audio Advantage Roadie USB sound card
Kenwood 4 channel amp
I am getting static when I plug in the USB sound card. I can plug in my iPod directly into the amp and it sounds great so I believe the amp wiring is good. I get the static even when I just touch the usb connector to the usb port on the docking station (not actually plug it in, just touch it to it). I went ahead and grounded the inverter to the same location as the amp (it was on the ground from the cigerette lighter), but that didn't help. I had an extra USB cable laying around so I plugged it in and cut the power wires and it stopped...but so did my sound card. I tried the USB sound card on my desktop and it worked great. All I can guess is that there is some issue with too much power coming to the sound card from the docking station, even though I would think that the sound card should handle that. If anyone has any ideas for me, I would appreciate it. Everything else is perfect with my setup and I would like to be done with it.
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