IPhone 3G S plagued by sound issues (confirmed).
Article: http://www.boygeniusreport.com/2009/06/20/iphone-3g-s-plagued-by-sound-issues/
MacBook (unibody), Mac OS X (10.5.7)
MacBook (unibody), Mac OS X (10.5.7)
IPhone 3G S plagued by sound issues (confirmed).