I have just gotten the iphone 4s two weeks ago and have noticed that one speaker on the left seems not to be working when i play music...i have never played music on it too loud and i was wondering if anyone else has this problem

I have just gotten the iphone 4s two weeks ago and have noticed that one speaker on the left seems not to be working when i play music...i have never played music on it too loud and i was wondering if anyone else has this problem