I had to get a replacement,I had the rattle to and it was the woofer. Play the bass thing on Avia where it goes from 100hz to 23hz. Mine started at 60Hz and went to 23Hz. Axiom is great they will work with you to get it right. Once its right you will be so happy!!!!

2-M80v2 VP150 4-QS8 EP500 DENON 4306 Panny AE900 Toshiba HD-XA1/PS3