The volume controls also need to be adjusted when recording from a cassette tape player to the input on the sound card. Sometimes it is very difficult to get the volume on both correct so that you don't get a totally distorted recording on the PC. I have found that if the volume on the tape player is set low, and the volume on the sound card input is set to a medium level, it works the best. Takes a little time of trial and error to get it correct. And of course alot of patience.