I need to go and check and see if my cd player and amp work and get them up on ebay soon

(I know the cd player worked except for CD-R's when I pulled it a little after I got the car but I am not sure if the amp works since I was playing my new sterio thru it for a while and then something went funny and the volume was way low and would not turn up so I had to get the amp bypass kit and get around to doing that.)