> I'm going to play with it for a few days but it's already > got one flaw that makes me want to send it back - when my > laptop's plugged into power it feeds hum through the whole > system via the usb connector. same for me on a Dell i8200. I do not guess that this has anything to do with the device itself but with the shielding of the notebook. There are many circuits in a very small chassis, so this can happen. I have put in two rechargeable batteries which grants me 5h of audio work without hum when disconnecting the power supply. Best regards ce