rags, my boyfriend uses his pass
thru exclusively on a wall to usb adaptor & has never had an issue with it.
USB Dual Power Adapter
unfortunatley, they are all sold out now - but perhaps your unit doesn't have enough
juice to power the PT? i bought a couple of them before finding the one above and they wouldn't power the PT. you just have to make sure the unit is strong enough.
as far as the car adaptor, i have not had any issues with the one i got from V4L (except it makes the radio buzz when i use it so i only use it when i listen to cd's). hope that helps.