I have experienced that exact phenomenon ... audio quality going down.
A hearing test finally located the components that were deteriorating with
From: Bob Nogueira
Sent: Saturday, May 11, 2013 11:15 AM
To: Shop Talk
Subject: [Shop-talk] Car audio
Several years ago I spent time and effort to get audio in my LBC that was
listenable with the top down. Recently I realized that the sound quality had
deteriorated at the upper volume levels needed for top down listening.
I figured I had blown out the speakers so replaced two of the four and found
Can modern car radios go bad in a manner that the quality of the sound
deteriorates at high volume as a bad speaker or did I just buy some bad
Any way to check the radio?