So I got my "replacement" in today, its the same sound. I think they have a bad batch. I notice with the replacement I did get instructions, the first pair HAD no instructions with it. I noticed the knob for the sound is different than my other one, it gets stiff then goes into like "overdrive" mode? I have no clue. You know when you turn it on/off? the knob gets that "click" sound well my knob once you go to full, it does another "click" and goes louder. I think these are more broken lol...