when the volume is set to 60%-80%+ i can hear some kind of ugly cracking sound from right speaker. It sounds like either the speaker is damaged or may be due to the bad amp. i have noticed the same problem in both xps 1640 and 1645. I tried with different sound effect also but still the output is same. I just wanted to know whether the speaker has been really damaged or something related to hardware defect or may be the terrible driver and buggy sound apps?
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