The little bit of noise that is always there is fine. The noise some of us were talking about is worse. It happens when you hook it up to certain devices. For me, if I use my cell phone in the aux port, while my cell phone is also plugged into the wall. I believe someone was having it elsewhere. It is a wonderful little device overall, but if the way you want to use it happens to cause that really bad hum it can be a bummer.
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