Speaker Rattle??

[FlyGuyKy3 at aol.com]

I was listening to the radio a couple days ago and all of a sudden there was 
a ton of rattle coming from the right rear speaker.  I took it apart and 
checked the cone itself.. and its not dented or ripped in any way... not that i 
could see anyway.  It sounds like there is something loose within the entire 
housing... so i ended up taking it completely out of its fitting in rear (right 
behind the headrest) and held it up with just my hand while it was playing the 
radio............  it still rattled.  It is still producing the acoustics like 
a stock Bose speaker, but once you add any bass at all.... it rattles.  Please 
help me!  Thanks in advance..

Kyle
95 A6 Quattro