Just sell it on Ebay as not working, as-is. Somebody will buy it. Then they will tell you they want their money back because it's not working.
I do think an amplifier should last more than 10 years, but you're lucky to get that out of a car and people accept it as part of life.
I do think an amplifier should last more than 10 years, but you're lucky to get that out of a car and people accept it as part of life.